HP Compaq Presario SR5612NL-M Desktop PC Bundle. Processor frequency: 2.3 GHz, Processor family: AMD Athlon, Processor model: 4450e. Internal memory: 2 GB, Internal memory type: DDR2-SDRAM. Total storage capacity: 320 GB, Hard drive interface: Serial ATA, Hard drive speed: 7200 RPM. Discrete graphics adapter model: NVIDIA GeForce 6150 SE. Operating system installed: Windows Vista Home Premium