On this pageThinkSystem SD550 V3 Riser Kit for 2 CPU configurations (Under 75W ) PN4TA7A91720 ThinkSystem SD550 V3 Riser Kit for 2 CPU configurations | Lenovo Server OptionsSee this document for information about the ThinkSystem SD550 V3 Riser Kit for 2 CPU configurations.Learn More ThinkSystemSD550 V3 OS Support MatrixOS IndependentOS IndependentGive feedback