Universal 19'' fit: This 2U vented server rack mount shelf is designed to fit virtually any 19 inch server rack and can accommodate an internal depth of 16 inch (406 millimeter) for your data, IT, networking or other non-rack mount equipment. | Maximize ventilation: The vented shelf plate on the cantilever rack shelf ensures consistent airflow to effectively dissipate heat on servers. It also works great to keep your computer and AV equipment cool in your home, studio or office space. | Heavy-duty & durable design: Constructed with SPCC commercial cold-rolled steel, the sturdy cabinet shelf ensures long term durability and supports a total weight load of 50 pounds (22 kilogram) making it the perfect rack shelf solution for any environment. | Versatile functionality: At 16 inch deep, this fixed rack mount shelf is designed to work with any 19 inch cabinet or equipment rack. It provides additional storage space for mission critical hardware, and can even store your tools or audio / video accessories. | Industry-leading support: StarTech.com offers a lifetime warranty and free lifetime technical support on this TAA compliant 2U vented server rack mount shelf, and has been the choice of IT professionals and businesses for over 30 years.