Compaq Presario CQ5320F Desktop PC (Black) (Discontinued by Manufacturer) AMD Athlon II X2 240 Dual-Core Processor (2.8 GHz, 2MB Cache, 4000 MHz System Bus) 3GB PC3-10600 DDR3 SDRAM memory (1x1024MB and 1x2048MB) (expandable to 4GB) 500GB Serial ATA hard drive Genuine Windows 7 Home Premium 64-bit NVIDIA GeForce 6150 SE Graphics with 256MB integrated shared graphics memory. Up to 1407MB Total Available Graphics Memory as allocated by Windows 7