Dell ReadyRails Sliding Rails
It is supported by Dell Technical Support when used with a Dell system.This product has been tested and validated on Dell systems. The ReadyRails™ sliding rail kit for 1U Systems, provides tool-less support for racks with square or unthreaded round mounting holes including all generations of Dell™ racks. The optional cable management arm (CMA) can be mounted on either the left or right side of the sliding rails without the use of tools for fast and easy deployment.