SATA 3.0Gb/s 7200 RPM 16MB up to 1.0TB; SATA 3.0Gb/s 10K RPM 16MB up to 160GB; SAS 15K RPM up to 300GB

Operating System :Windows 7 Home & Pro. MAR, Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS
Chipset :Intel® 5400 chipset
Processors :Dual-core Intel® Xeon? 5200 series processors; Quad-core Intel® Xeon? 5400 series processors;
Memory Support :Up to 64GB1 quad-channel 667MHz ECC and 800MHz ECC memory; Up to 16 DIMM slots;
Hard Drive :SATA 3.0Gb/s 7200 RPM 16MB up to 1.0TB; SATA 3.0Gb/s 10K RPM 16MB up to 160GB; SAS 15K RPM up to 300GB
Removable Media :CD-RW/DVD Combo, DVD-ROM, DVD+/-RW, Blu-ray, USB Floppy Drive, USB media card reader
Expansion Bays :Four internal 3.5? hard disk drive bays; Three external 5.25? optical bays; One external 3.5? flex bay
Expansion Slots :One PCI-e x8 slot wired as x4; Two PCI-e x16 Gen 2 slots; Three PCI-X 64bit/100MHz slots, One PCI 32bit slot;
Graphics :Support for 2 PCI Express x16 Gen 2 graphics cards up to 225 watts
Audio :Integrated High Definition Audio
Communications :Integrated Broadcom? 5754 Gigabit Ethernet controller
I/O Ports :Front: Two USB 2.0, Mic/Headphone; Rear: Five USB 2.0, Two PS2, Two Serial, Audio I/O
Input Devices :Dell Enhanced QuietKey USB; Enhanced Multimedia USB; Smart Card keyboard USB
Dell USB two-button mouse and Dell USB optical two-button scroll mouse
Power :980 watt 80%+ Efficiency Power Factor Correcting (PFC) power supply
Dimensions :(WxHxD) 8.5? x 22.26? x 22.3?, 21.59cm x 56.54cm x 56.6cm
Weight :N/A