2U chassis (2u server chassis) uses: mainly used for data storage host IDC server workstation classification, ordinary 2U chassis and hot-plug chassis and some irregular non-standard chassis, etc; ordinary 2U chassis generally installed ATX class PC power supply, PC motherboard and other general purposes; 2U hot-plug series is suitable for data security higher Specifications: height is 88.9 mm, width is 19 inches, depth is not fixed, generally 230 mm, 360 mm, 510 mm, 650 mm.