Know your gear
The 1USHL-012 2-post sliding rack mount shelf is designed for Dell PowerEdge 500SC, 600SC (6U), PowerEdge 1300, 1400 (6U), PowerEdge 1400SC, PowerEdge 1500SC Precision 350 (6U), Precision 450 (5U) and other desktops, towers, and other equipment less than 17.7"-wide and less than 45lbs. The equipment is secured via an anti-slip mat and a nylon strap.