HP Pavilion Elite HPE-170F Desktop PC (Black) (Discontinued by Manufacturer) Intel Core i7-920 Processor (2.66 GHz, 1MB L2 + 8MB shared L3 cache with QPI Technology) 9GB PC3-8500 DDR3 SDRAM memory (3x2048MB and 3x1024MB) (expandable to 24GB) 1 Terabyte (TB) Serial ATA hard drive, SuperMulti DVD Burner with LightScribe Technology Genuine Windows 7 Home Premium 64-bit NVIDIA Geforce GTX 260 graphics card with 1.8 GB dedicated graphics memory, DVI, HDMI, and VGA capabilities and support for Microsoft DirectX 10