Rack Mount Kit (RMK) for server w/ max. 1 height unit (U) with max. chassis width of 435,5mm and  max. 18 Kg with Quick-Release-Lever (QRL). Slim Drop in telescope rails (DI), full extraction 815mm,  with cable management adapter (CMA) for toolless mounting of cable management arms. For mounting in PRIMECENTER and 3rd-party racks. Toolless adjustable rack mounting depth (rack pillar distance) between 559 and 914 mm depth. Pre-adjustment pos. 3 (701-775mm) for PRIMECENTER racks.