Store your servers network and telecommunications equipment in this 12U adjustable openframe rack Compatible with IBM System X rack server 12U Mobile Server Rack 4 Post Rack Adjustable Depth Rack Equipment Rack Telecom Rack Two adjustable rails included for variable mounting depths Supports a loading capacity of up to 595 lbs (270 kg) Swivel casters included Rack mount servers KVM switches and network equipment in a satellite office boardroom or repair center