Operating System :Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS
Chipset :Intel 5520
Processors :Four-Core and Six-Core Intel Xeon Processor 5600 Series
Memory Support :12 DIMM Slots for DDR3 ECC, 3-channel 800/1066/1333 MHz DDR3, Up to 192GB
Hard Drive :Up to 3TB SATA 3.0-Gb/s, 300GB to 600GB SAS, 128GB to 300GB SSD Drives
Removable Media :16X DVD-ROM SATA Drive, 16X DVD+/-RW SuperMulti SATA Drive, Blu-ray Writer
Expansion Bays :External: Three (3) 5.25-inch, Internal: Four (4) 3.5-inch
Expansion Slots :2 PCIe x16 Gen2 Slots, 2 PCIe x8 Gen2, 1 PCIe x4 Gen2, 1 PCIe x4 Gen1, 1 PCI Slot
Graphics :N/A
Audio :High Definition integrated audio with internal speaker
Communications :Dual integrated Broadcom 5764 Gigabit LAN
I/O Ports :Front: Three (3) USB 2.0, Audio I/O, Rear: Six (6) USB 2.0, 2 PS2, 1 Serial, Audio I/O
Input Devices :Standard Keyboard, Mouse (USB or PS/2)
Power :850W
Dimensions :44.4 x 20.3 x 52.5 cm;
Weight :21 kg