Tripp Lite Smart rack shelf accommodates tower units, monitors and other equipment. Shelf features cold rolled steel with black finish and 25. 5" of shelf depth. Includes shelf and mounting hardware. Designed for 4 post rack mounting. Material: Cold-rolled steel. Accommodates tower units, monitors, and other equipment. Operating humidity range: 10 - 90%, relative, non-condensing. Maximum weight capacity: 250 lbs. Dimensions: 1. 73"(H) x 19"(W) x 26. 1"(D). Black. Weight: 16. 5 lbs. Smartrack Heavy Duty Fixed Shelf. Warranty: 5 years limited. Operating temperature: 32 - 104 deg F. Tripp Lite Smart rack shelf is designed for 4 post rack mounting and withstands 250 lb. of weight capacity. Deep Shelving Space Each Tripp Lite SmartRack rack shelf is 25. 5 inches deep, allowing you to use both standard- and large-size server components without fear of overhang. This enables you to make the most of your available space while leaving room for airflow and optional cooling. Exceptional Compatibility The rack shelf is compatible with many SmartRack designs as well as standard four-post mounting interfaces. You can use it with your existing SmartRack pieces or with compatible interfaces without fear of alignment or structural issues. Heavy-Duty Construction Each Tripp Lite SmartRack rack shelf is made of heavy-duty steel that allows it to last for quite some time. The cold-rolled steel is both sturdy and durable, making it a great choice for locations that regularly move their racks or swap components in and out of shelves.