On this pageThinkSystem ST50/ST45 Series 3.5 2TB Client 7.2K SATA 6Gb Non-Hot Swap 512e HDDPN4XB7A77451ThinkSystem ST50/ST45 Series 3.5" 2TB Client 7.2K SATA 6Gb Non-Hot Swap 512e HDD | Lenovo Server OptionsSee this document for information about the ThinkSystem ST50/ST45 Series 3.5" 2TB Client 7.2K SATA 6Gb Non-Hot Swap 512e HDD.Learn MoreThinkSystemST45 V3OS Support MatrixOS IndependentOS IndependentThinkSystemST50 V2OS Support MatrixOS IndependentOS IndependentThinkSystemST50 V3OS Support MatrixOS IndependentOS IndependentGive feedback