Lenovo/IBM ThinkCentre M55 6487-2CE Memory
Maximum Memory: 8gb
Base Memory: 512mb (Removable)
Upgrade Sockets: 4 (4 banks of 1)
Total useable memory can be less than 8 gb depending on the operating system and system configuration.
512Mb Part Number: 40J8869, 30R5125, 73P4983, 41U2976
1Gb Part Number: 40J8870, 73P4984, 30R5126, 41U2977
2Gb Part Number: 30R5127, 40T4064, 73P4985, 41U2978
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