JavaScript must be enabled in order to use this site.Please enable JavaScript in your browser and refresh the page. FRU functional descriptions K2 Summit system Field Replaceable Units (FRUs) are described in this section. Front bezel assembly Disk modules M.2 boot media Power supply modules Codec module Codec option card Disk controller board Front interconnect board Disk backplane unit Midplane board Carrier module Optional PCIe board Parent topic: Product description