Lenovo IdeaPad Y530 4051-4GM Memory
Maximum Memory: 4gb
Base Memory: 1gb (Removable)
Upgrade Sockets: 2 (2 banks of 1)
Notebooks with 64-bit operating systems can recognize the full 4GB. However in some cases if 4GB is installed, the recognized memory may be reduced to 3GB or less depending on operating system configuration and memory allocation. Microsoft Windows vista supports 3GB maximum memory with 32-bit operating system and 4gb maximum memory with 64-bit operating system.
512Mb Part Number: 43R1775
1Gb Part Number: 43R1987
2Gb Part Number: 43R1988
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