On this pageThinkSystem 2U V3 12x3.5" Expander Backplane Option KitPN4XH7A86133ThinkSystem 2U V3 12x3.5" Expander Backplane Option Kit | Lenovo Server OptionsSee this document for information about the ThinkSystem 2U V3 12x3.5" Expander Backplane Option Kit.Learn MoreThinkSystemSR650 V3OS Support MatrixOS IndependentOS IndependentThinkSystemSR665 V3OS Support MatrixOS IndependentOS IndependentGive feedback