On this pageThinkSystem SR645 V3 8x2.5" SAS/SATA +2xNVMe Backplane Option KitPN4XH7A83857ThinkSystem V3 1U 10 x 2.5" Backplane Option Kit | Lenovo Server OptionsThis document is applicable to the following option kits:Learn MoreThinkSystemSR630 V3OS Support MatrixOS IndependentOS IndependentThinkSystemSR630 V3 SP5OS Support MatrixOS IndependentOS IndependentThinkSystemSR645 V3OS Support MatrixOS IndependentOS IndependentGive feedback