HP Pavilion p6823w Refurbished Desktop PC HP Pavilion p6823w Phenom II X2 521 3.5 GHz Desktop PC General Features: Black Mid-tower ATX chassis Microsoft Windows 7 Home Premium 64-bit pre-installed w/CoA AMD Phenom II X2 521 3.5 GHz dual-core processor AMD 785G chipset 4 GB DDR3 RAM 1 TB Serial ATA hard drive DVD RW DL Serial ATA Drive w/LightScribe Integrated ATI Radeon 4200 graphics processing unit (GPU)