They also support tooled mounting in 4-post threaded racks via an optional adapter brackets kit. This product has been tested and validated on Dell systems. Dell ME4 Rack Rails 5U It is supported by Dell Technical Support when used with a Dell system.
. 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. Dell 2U Combo Drop-In/Stab-In Rail It is supported by Dell Technical Support when used with a Dell system.
The static rails support a wider variety of racks than the sliding rails but do not support serviceability in the rack and are thus not compatible with the CMA.It also supports tooled mounting in 2/4-post threaded racks and 2-post (Telco) racks for added versatility.. Dell Networking Rack Rail Dual Tray, 1U, 4-post rack only for S4112 It is supported by Dell Technical Support when used with a Dell system.