HP TouchSmart 600-1040nl Desktop PC, TouchSmart. Processor frequency: 2 GHz, Processor family: Intel Core 2 Duo, Processor model: T6400. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM, Memory slots: 2x SO-DIMM. Total storage capacity: 1000 GB, Hard drive interface: Serial ATA II, Hard drive speed: 7200 RPM. Discrete graphics adapter model: NVIDIA GeForce G200, Maximum graphics adapter memory: 1919 MB. Operating system installed: Windows 7 Home Premium