On this pageThinkSystem SR645 V3/SR665 V3 64GB TruDDR5 6400MHz (2Rx4) RDIMM-A v2 PN4X77B09788 ThinkSystemSR645 V3 OS Support MatrixOS IndependentOS Independent ThinkSystemSR665 V3 OS Support MatrixOS IndependentOS IndependentGive feedback