HP Pavilion dv7-3130ed Entertainment Notebook PC, Pavilion. Processor frequency: 2.3 GHz, Processor model: M520, Processor cache: 1 MB. Internal memory: 4 GB, Internal memory type: DDR2-SDRAM. Total storage capacity: 640 GB, Hard drive interface: Serial ATA, Hard drive speed: 5400 RPM. Display diagonal: 43.18 cm (17"), Display resolution: 1600 x 900 pixels. Discrete graphics adapter model: AMD Mobility Radeon HD 4650, Discrete graphics adapter memory: 1024 MB