UNIVERSAL 19'' FIT: This 2U center-mounted vented server rack shelf is designed to fit 2-post EIA-310 compliant 19 in server racks and can accommodate an internal depth of 20in (50.8 cm) for your data, IT, networking, or other non-rack mountable equipment CENTER MOUNT SHELF: The center-mount design allows for easy access to the front and back of the equipment, allowing for simple installation, maintenance, and cable routing DURABLE DESIGN: Constructed with 1/16 in (1.5 mm) thick SPCC commercial cold-rolled steel, the sturdy rack shelf ensures long term durability and supports a total weight of 200 lbs (91 kg) making it the perfect rack shelf for any environment MAXIMIZE VENTILATION: The vented shelf plate on the cantilever rack shelf helps to improve airflow to effectively dissipate heat away from your equipment STARTECH.COM ADVANTAGE: IT professionals’ choice for over 30 years, this 2U vented server rack shelf is backed for life by StarTech.com, including free lifetime 24/5 multi-lingual technical assistance