Lenovo ThinkSystem 64GB DDR5 6400MT/s 2Rx4 RDIMM-A

Sixty-four gigabytes of DDR5: the Lenovo ThinkSystem 4X77A93528 is a 2Rx4 RDIMM-A rated at 6400MT/s with ECC. No voltage is listed.

Systems named are the ThinkSystem SR645 V3, SR665 V3, SR635 V3, SR655 V3, SR675 V3 and SR675i V3, and the SD665 V3 and SD665-N V3 Neptune DWC nodes. The feature code is C0CK.

A module like this is aimed at memory-intensive server roles, including virtualization and data-heavy applications on AMD-based platforms. The 6400 rating is the top of the module's range; what your server actually runs depends on the processor and how many modules share each channel.

We supply it in all three conditions. New and refurbished units carry 1 year or 3 years of warranty, and used units carry 90 days. Tell us the quantity and your server model and we will reply with pricing and availability.