Lenovo ThinkStation P520c. Lenovo ThinkStation P720. Lenovo ThinkStation P520. Lenovo ThinkStation P920. Rank: 2Rx4 (Dual Rank x4 based). Capacity: 64GB. Kit Capacity: 64GB. Your computer loads a program or file you select from the hard drive in to your computers RAM, then it will access each bit of data from there.
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