Tripp Lite 18U extra depth rack enclosure cabinet is compatible with all standard 19" rack equipment. Cabinet has top and bottom panels which are furnished with vents that remove warm air from enclosure and draw in cool air by convection. Extended depth of 33" allow for standard server installation. Rack height: 18U, rack width: 19". Dimensions: 35. 6"(H) x 23. 6"(W) x 33 1/2"(D). Locking, reversible front door and locking, removable side panels, fully assembled for quick installation, casters and leveling feet. Weight: 105 lbs. 18U with adjustable front and rear vertical rackmount rails. Dynamic/rolling weight capacity: 500 lbs. , static/stationary weight capacity: 500. 00 lbs. Meets all enclosure requirements towards PCI DSS (Payment Card Industry Data Security Standard) compliance. Front rail. Package contents: SmartRack 18U extra depth rack enclosure cabinet, 42 x M6 screws, 42 x M6 cage nuts, 42 x M6 washers, 4 x casters, 4 x levelers, 2 x keys, owner's manual. Warranty: 5 years limited. Certification and standards: RoHS, green compliant. Tripp Lite 18U extra depth rack enclosure cabinet supports of up to 500 lbs of equipment with included installation hardware and features front and rear pairs of vertical rails with square mounting holes.