32 x SATA, black, ATX, no power supply.

Construction: Heavy Duty Cold Rolled Electroplated Steel
Color: Black
Motherboard Size: 13 x 16
CPU Type: Dual Xeon, P4, Athlon64, Opteron dual, quad Opteron
Expansion slots: 7 slot
Drive Bays (Open): 1 x Slim CD-ROM & 1 x Slim FDD & 32 x 8,9 cm ( 3,5 inch )
Drive Bays (Optional): 4 x hot-swappable HDD on rear side
Power Supply (Optional): 1U Redundant N +1 up to 1650W
Thermal management cards: GHA CO04Cooling fan (standard): 4 x hot-swappable 92mm & 3 x 60mm
Front USB: 2
Indicators: LEDs for Power ON / OFF, LAN, HDD Activity, Fan, Temp
Front Controls: Power on / off, system reset, Buzzer Reset
Front Doors: Single Door with 2 Thumbscrews
Humidity: 5% - 95% non - condensing
Product Application: Web Server, File Server, RAID, S.
Optional accessories: SL-26