HP TouchSmart 300-1025nl Desktop PC, TouchSmart. Processor frequency: 2.2 GHz, Processor family: AMD Athlon, Processor model: 400e. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM, Memory slots: 2x SO-DIMM. Total storage capacity: 500 GB, Hard drive interface: Serial ATA II, Hard drive speed: 7200 RPM. Discrete graphics adapter model: AMD Radeon HD 3200, Maximum graphics adapter memory: 1219 MB. Operating system installed: Windows 7 Home Premium