The 15U open frame rack lets you store your servers, network and telecommunications equipment in a sturdy, adjustable depth open-frame rack. Designed with ease of use in mind, this 15U 4 post rack offers easy-to-read markings for both rack units (U) and depth, with a wide range of mounting depth adjustments (22 - 40 inch) that make it easy to adapt the adjustable server rack to fit your equipment. This durable free standing server rack supports a static loading capacity of up to 1200 lb. (544 kg) and portable rolling weight capacity of 660 lb. (300 kg). The rack also features offers compliance with the EIA/ECA-310 standard for a universal design thats compatible with most network equipment rack equipment. For a complete server storage solution that saves you time and hassle, the mobile server rack includes optional accessories such as casters, leveling feet and cable management hooks. The base is also pre-drilled for securely fastening the rack to the floor if needed, providing you with additional stability while free standing. StarTech.com conducts thorough compatibility and performance testing on all our products to ensure we are meeting or exceeding industry standards and providing high-quality products to IT Professionals. Our local StarTech.com Technical Advisors have broad product expertise and work directly with our StarTech.com Engineers to provide support for our customers both pre and post-sales.