The Z400 line of HP workstations come with Intel Xeon processors (The best that Intel offers) and were designed to perform in engineering and high-performance computing environments.
These refurbished units provide great performance as home and business computers for hundreds less than equivalent new machines.
1 x HP WorkStation Z400 Tower Xeon Quad Core W3530 , 2.80GHz 4GB 500GB HDD Win7 COA
Processor: 1 x Intel Xeon Quad Core W3530 ,2.80-3.30GHz SLBKR
Memory: 1 x 4GB DDR3 Ram
Storage: 1 x 500GB Hard Drive
Optical Drive: DVD RW
Operating System: Windows 7 Pro COA Attached ( No Operating System Installed Or Supplied )
Power Supply: 1 x HP 475W PSU