Form Factor: 4U Rackmount,Chassis Model: INWIN IW-RS436-02M,Support MBp: EEB, 12'' x 13" (EP2C612D16SM-2T)
Front Panel
Buttons: Power button/ UID button/ Reset button / NMI button
MB tray
USB 2.0: 2,USB 3.0: 2,Serial Port: 1 (COM1)
External Drive Bay
Front Side Drive Bay: 24 x Hot-Swap Drive Bay 2.5"/3.5'' SATA HDD (6Gb/s) or 24 x SAS (12Gb/s),Rear Side: 12 x Hot-Swap Drive Bay 2.5"/3.5'' SATA HDD (6Gb/s) or 12 x SAS (12Gb/s) +2 x Hot-Swap Drive Bay 2.5"