VERSATILE: This folding 6u vertical rack fits 19-inch standard width equipment for network router, server, NAS, data, audio device. Vertical & horizontal mountable, compact design for limited space application as a network rack, audio rack, NAS rack, AV server rack, or even power equipment shelf. Size range 2U, 3U, 4U, 5U are to meet most applications. STURDY: The 6u vertical wall mount rack features qualified 2.0 mm thick cold rolled steel & 0.2 mm powder coating and reinforced back plate, created outstanding torsion resistance & heavy load