1U height: The design purpose of this rack is to accommodate 1U height server devices. This 1U vented server rack mount shelf is designed to fit virtually any 19in server rack and can accommodate an internal depth of 10in (25cm) for your data, IT, networking, or other non-rack mount equipment._x000D_ Metal Material: This rack is made of metal material. The metal material endows the rack with sturdy and durable characteristics, which can effectively protect server equipment and supports a total weight of 44lbs/20kg making it the perfect rack shelf solution for any environment._x000D_ Suitable for cabinet installation: This rack is designed for installation in standard cabinets. Cabinets typically provide multiple vertical support slots, allowing the rack to be easily placed and fixed inside the cabinet._x000D_ Heat dissipation and air circulation: 1U server cabinet metal racks usually have good heat dissipation and air circulation design. This is for the cooling of server equipment to ensure that they can operate within a stable temperature_x000D_ _x000D_ for 19 inch cabinet rack_x000D_ note: Different batches may have slight color differences or differences in the actual product, which does not affect use._x000D_ Material: Metal_x000D_ colour: Black_x000D_ _x000D_ Package Contents: _x000D_ 1 x 1U Server Rack Shelf with screw_x000D_ _x000D_ Only the above package content, other products are not included._x000D_ Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_