Model :HP Z600 Workstation TWR - Tower Operating System Info :NO OPERATING SYSTEM. THIS COMPUTER COMES WITHOUT THE OPERATING SYSTEM. The buyer will need to purchase and install his or her own Windows OS. Processor :Xeon E5620 @ 2.40 GHz Memory Installed :8 GB DDR3 Hard Drive :2TB Optical Drive :DVD-RW Chasis : Dimensions : 17.30" high x 17.50" wide x 6.50" deep System Weight : 52.00 lbs Warranty : 365 days

Model :HP Z600 Workstation TWR - Tower Operating System Info :NO OPERATING SYSTEM. THIS COMPUTER COMES WITHOUT THE OPERATING SYSTEM. The buyer will need to purchase and install his or her own Windows OS. Processor :Xeon E5620 @ 2.40 GHz Memory Installed :8 GB DDR3 Hard Drive :2TB Optical Drive :DVD-RW Chasis : Dimensions : 17.30" high x 17.50" wide x 6.50" deep System Weight : 52.00 lbs Warranty : 365 days