Ramfinder Memory Store

Lenovo/IBM ThinkPad T420 4238-4R4 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A16 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A17 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A18 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A19 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A21 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A22 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A23 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A24 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A25 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A26 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A27 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A28 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A29 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A31 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A32 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A33 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A34 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A35 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A36 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A37 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A38 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A39 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A41 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A42 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A43 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A44 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A45 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A46 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A47 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A48 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A49 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A51 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A52 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A53 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A54 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A55 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A56 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A57 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A58 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A59 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A61 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A62 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A63 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A64 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A65 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A66 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A67 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A68 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A69 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A71 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A72 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A73 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A74 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A75 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A76 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A77 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A78 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A79 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A81 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A82 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A83 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A84 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A85 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A89 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A91 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A92 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A93 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A94 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A95 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A96 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A97 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A98 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-A99 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-AA1 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-AA2 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-AA3 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-AA4 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory Lenovo/IBM ThinkPad T420 4238-AA5 Memory 1gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3709 2gb IBM Thinkpad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3710 4gb IBM/Lenovo IdeaPad NON ECC PC3-10600 1333MHz 204 pin DDR3 SODIMM 55Y3711 1GB PC3-1333 MHz DDR3 NON ECC 204 PIN Factory Approved Memory 2GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory 4GB DDR3 PC3-10600 1333MHz 204 PIN SODIMM NON ECC Factory Approved Memory For any clarifications needed, suggestions or mistakes on this page please email buymemory@yahoo.com Get more out of your Digital Camera's, PDA's and MP3 players. Try our high speed, high performance Compact Flash Cards CFC, Smart Media Cards SSFDC, Multimedia Cards MMC, Secure Digital cards SDC, Sony memory stick, Portable USB storage flash drive (Pen drive, Key drive), Multi USB Flash Card Reader Olympus xD Picture Cards,readers,adapters. The World's Largest Online Memory Super Store® IN BUSINESS SINCE 1994 SPECIALIZING IN COMPUTER RAM MEMORY UPGRADES, PROVIDING HIGH QUALITY SERVICE, VALUE PRICING TO CUSTOMERS WORLD WIDE.< Memory for All Notebooks and Printers Batteries and Hard Drives for All Notebooks Subscribe! Enter your email to sign up for our email list to receive coupons and special offers.   HTML Text AOL Are you planning to purchase more than 20 memory modules? You may be eligible for lower prices. Contact us for a price quote. Call us at 1-408-980-8355 or send"email . IN BUSINESS SINCE 1994 SERVING CUSTOMERS WORLDWIDE WITH PRIDE AND SATISFACTION. NO SALES TAX OUTSIDE CALIFORNIA. WALK IN MEMORY PURCHASES WELCOME. 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