:HP ProDesk 490 G2 MT Intel Core i7-4790 8GB DDR3-1600 DIMM (1x8GB) 1TB HDD 7200 SATA NVIDIA GeForce GT 630 DP PCIe FH x16 DVD+/-RW SD Media Card Reader Win 8.1 Pro downgrade to Win7 Pro 64 1-1-1 - AIR Category :Desktop Computers: Manufacturer :HP: Sub Category :HP ProDesk 490