Universal 10-Inch Compatibility: Designed to fit all standard 10" server racks, network cabinets, and wall mount enclosures, this SBC shelf is perfect for home offices, studios, server rooms, and other professional environments Durable Steel Construction: Made from premium cold-rolled steel with a black electrostatic powder-coated finish, this brush panel resists rust, corrosion, and scratches for long-lasting performance Three Unique Symbols: This 1U SBC shelf with symbols is designed to align with locating holes of each type of development board - ideal for Raspberry Pi/Jetson Nano and 2.5" HDD/SSD Expand Storage Space: With a shelf size of 9.92 x 3.98 x 1.75 , this 1U SBC shelf is designed to expanding storage capabilities and seamlessly fit into your server rack setup Quick & Easy Installation: Includes 1 x SBC shelf and 4 sets of 10-32 mounting screws and nuts for secure, hassle-free installation in any standard 10-inch rack or cabinet