Product Detail Intel Core 2 Quad Processor Q8400 (2.66 GHz, 4 MB L2 Cache, 1333 MHz FSB) 8GB PC3-8500 DDR3 SDRAM memory (4x2048MB for ultimate performance) (expandable to 16 GB) 1 Terabyte (TB) Serial ATA hard drive, SuperMulti DVD Burner with LightScribe Technology Genuine Windows 7 Home Premium 64-bit Intel Graphics Media Accelerator X4500 with 32MB integrated shared graphics memory. Up to 1695MB Total Available Graphics Memory as allocated by Windows 7 . The "HP Pavilion P6340F Desktop PC Black" is best product for you. We recommended HP Pavilion P6340F Desktop PC Black