Support Tower and Rackmount Type Support for Micro-ATX, ATX, E-ATX & proprietary 15.2"x13.2" motherboard 8 x 3.5” swappable SAS/SATA HDD Tray 11 x Full-Height/Full-Length expansion slots optimized for 5 x double width GPU solution Multiple power selections, up to 3000W redundant platinum Level (optional) Ideal solution for Data Center, Server Grade IPC, Intelligent Surveillance