Store your servers, network and telecommunications equipment in this 12U open-frame rack. The 4POSTRACK12 12U Adjustable 4 Post Server Equipment Open Frame Rack Cabinet provides a durable, open air housing for rackmount servers and networking equipment. This TAA compliant product adheres to the requirements of the US Federal Trade Agreements Act (TAA), allowing government GSA Schedule purchases. The equipment rack/cabinet features heavy gauge mounting rails to ensure a stable installation platform and adjustable posts for flexible installation. The 12U open frame rack is compliant with EIA-RS-310C standards, offering a universal design that\'s compatible with equipment from popular manufacturers. Plus, the equipment rack is flat-packed, reducing shipping costs and simplifying handling and assembly. For added versatility, StarTech.com offers an optional 4 Piece Caster Ki (4POSTCASTER) that can be installed on the bottom of the 12U server rack, making it easier to re-position the cabinet/rack as needed for future uses.