To help reduce the amount of time required to properly install Dell components into either of the Dell rack cabinets, we have created the Dell Rack Mounting Kits. They include the unique-to-Dell VersaRails mounting brackets which are designed to make physical set-up of the hardware faster than ever before. This kit is designed for installation into round or square hole, 4-post cabinet style racks meeting certain specifications.<br><br><b>Highlight</b><br>- Designed for installation into round or square hole, 4-post cabinet style racks;<br>- This product has been tested and validated on Dell systems to ensure it will work with your computer;<br>- This product is supported by Dell Technical Support when used with a Dell system.