HP TouchSmart IQ525nl Desktop PC. Processor frequency: 2.13 GHz, Processor family: Intel Core 2 Duo, Processor model: P7450. Internal memory: 4 GB, Internal memory type: DDR2-SDRAM, Maximum internal memory: 8 GB. Total storage capacity: 640 GB, Hard drive interface: Serial ATA II, Hard drive speed: 7200 RPM. Discrete graphics adapter model: NVIDIA GeForce 9600M GS, Discrete graphics adapter memory: 512 MB. Operating system installed: Windows Vista Home Premium