APC NetShelter SX 18U Server Rack Enclosure 600mm x 900mm w/ Sides Black Feature-rich rack enclosure optimized for easy installation, managing cables, integrating power distribution, and maximizing airflow. Includes: Casters, Doors, Key(s), Leveling feet, Roof, Side panels NetShelter SX Features & Benefits Safety Integrated electrical grounding The roof, side panels and front and rear doors are grounded to the frame of the enclosure. Eight additional electrical grounding inserts are located on the frame for external grounding. Designed for enhanced structural stability A proven frame design, heavy-gauge mounting rails, and heavy-duty casters provide for 3000 lb (1364 kg) static (levelling feet) and 2250 lb (1023 kg) dynamic (castor) load ratings. Enclosures have been tested and approved to be combined with proper bolt down accessories to meet various seismic requirements. Check apc.com for product documentation for specific requirements. Agility Adjustable mounting rails with captive hardware and rapid alignment The vertical mounting rails can be adjusted in 1/4 in (6.4 mm) increments covering virtually any mounting requirement for IT equipment. Easy alignment feature integrated into the enclosure mounting rail and side brace for quick alignment verification without the use of tools to verify alignment. U positions are numbered front and back for rapid installation of equipment. Enclosure assemble-to-order (ATO) options capable The Enclosure ATO (Assemble-to-Order) options provide a level of customization for enclosure customers beyond the standard enclosure models. This customization is limited to the assembly of the enclosure itself and does not include additional enclosure mounted components. For example, the enclosure can be assembled without sides, doors, or without sides and doors. Check apc.com for enclosure size options and availability. Integrated joining hardware with multiple width enclosure alignment Enclosures include pre-installed joining hardware to join enclosures in a row and provide additional stability to the enclosure. The pre-installed joining hardware includes holes for joining to an adjacent enclosure at 600mm centers or 24in centers depending upon the floor layout. Special packaging options for shipping rack with equipment pre-racked Enclosures with shock packaging are standard enclosures with provisions in the packaging design and enclosure assembly for shipping the enclosures with equipment mounted inside. Extensive industry experience with the leading IT manufacturers and most recently certified with Cisco® for pre-racking and shipping Cisco Unified Computing Systems (UCS). Check apc.com for enclosure size options and availability. Pre-installed full-enclosure height rear accessory channels Integrated and adjustable rear accessory channel provides zero U mounting locations for toolless accessories. Each channel has two mounting bays to support a combination of up to four accessories such as PDUs and vertical cable organizers. 1070mm (42in), 825mm (32 in), and deep enclosures and networking enclosures include two channels. 1200mm (48in) deep enclosures include four channels. Channels are pre-installed at the factory in the rear of the enclosure but can be moved to other locations of the enclosure along the side brace to resituate cable management where it is needed most.