12U 4 Post Open Rack Store your servers, network and telecommunications equipment in this 12U, adjustable open-frame 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 Adjustable second rail and included casters lends mobility and flexibility allowing installation of an extended range of products in many different scenarios Compact design is ideal for tight spaces where rack mounted equipment is used, such as under a desk/workspace "Flat pack" packaging for easy shipping to any location Swivel Casters included Two Adjustable Rails for variable mounting depths Open frame design easy access and greater air flow Shipped as a flat pack for easier handling Less than 3ft tall, perfect for rolling under desks or benches