The welded and bolted steel four-post frame of this rack provides a sturdy and durable construction that can handle a maximum equipment load of 3000 lbs. The rack comes with two pairs of equipment mounting rails that are 19"EIA compliant and feature marked and numbered U spaces for easy installation and management of rack-mount equipment. The rack also includes a solid top panel with up to four large cable access ports that provide easy access for cable management. The perforated front and rear doors allow for front-to-rear airflow and include swing handle latches with keyed locks for physical security. The doors are reversible and can be easily removed for easy access and maintenance. The rack also comes with two-piece solid side panels that are half-height and full-depth, each with a single recessed spring-loaded locking latch located near the top center of the panel. The side panels provide additional security and easy access for equipment installation and maintenance. The rack includes a baying kit and floor attachment brackets for easy installation and stability. It also comes with PDU brackets for mounting two vertical CPI PDUs and factory installed grounding/bonding system to ensure proper grounding of all components. The rack is designed for easy movement with included casters and access to leveling feet for stability. The top panel, side panels, doors, and equipment mounting rails are electrically bonded to the frame to provide a safe and secure environment for rack-mount equipment.