Components:Specification Dimensions(mm):D420mm Ã? W430mm Ã? H45mm, 19" rackmountable. Materials:Super 1.0mm/SGCC refined, stable structure, exquisite craft . HDD bay:1 standard 3.5" HDD. Cooling fan:3*4028 ball bearing fans. Vents in front panel and side of case performed good air conduct Suitable motherboard:ATX 12"Ã?9.6" Max. USB port:1 preposed USB port. Indicator and switch:2*NIC indicator,1*Power indicator, 1*HDD indicator,1* power switch and 1*Reset. Power supply:Length of 190-210mm standard 1U power supply. Application:Applied to the field of FTP/Web/Mail/Database/VPN/SAN/IDC