HP Pavilion p6150nl Desktop PC, Pavilion. Processor frequency: 2.5 GHz, Processor family: Intel Core 2 Quad, Processor model: Q9300. Internal memory: 6 GB, Internal memory type: DDR3-SDRAM, Memory layout (slots x size): 3 x 2 GB. Total storage capacity: 1000 GB, Hard drive interface: Serial ATA, Hard drive speed: 5400 RPM. Discrete graphics adapter model: NVIDIA GeForce GT 220, Discrete graphics adapter memory: 1024 MB, Maximum graphics adapter memory: 3070 MB. Operating system installed: Windows Vista Home Premium