Compaq Presario CQ5300F Desktop PC (Black) (Discontinued by Manufacturer) AMD Sempron LE-1300 Processor (2.3 GHz, 512KB Cache, 1600 MHz System Bus) 2GB PC2-6400 DDR2 SDRAM memory (1x2048MB) (expandable to 4GB) 320GB Serial ATA hard drive, SuperMulti DVD Burner with LightScribe Technology Genuine Windows 7 Home Premium 64-bit NVIDIA GeForce 6150 SE Graphics with 256MB integrated shared graphics memory. Up to 895MB Total Available Graphics Memory as allocated by Windows 7