HP Pavilion dv6720ed Entertainment Notebook PC, Pavilion. Processor frequency: 2 GHz, Processor model: TL-60, Processor cache: 1 MB. Internal memory: 3 GB, Internal memory type: DDR2-SDRAM, Maximum internal memory: 4 GB. Total storage capacity: 160 GB, Hard drive interface: Serial ATA, Hard drive speed: 5400 RPM. Display diagonal: 39.12 cm (15.4"), Display resolution: 1280 x 800 pixels. Discrete graphics adapter model: NVIDIA GeForce 8400M GS, Maximum graphics adapter memory: 1535 MB