HP Z420 Workstation - 1 x Intel Xeon E5-1620 v2 Quad-core (4 Core) 3.70 GHz - 16 GB DDR3 SDRAM - 1 TB HDD - Windows 7 Professional 64-bit (English) upgradable to Windows 8.1 Pro - Convertible Mini-tower

Performance you want. Value you need. Maintain professional expandability in an accessible, tool-free mini-tower form factor-all at a great price. With support for next-generation Intel Xeon processor families, the latest graphics technology, and increased I/O expandability, the HP Z420 has the power you need to get the job done.