HP Pavilion dv6-2120ed 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, Memory layout (slots x size): 2 x 2 GB. Total storage capacity: 320 GB, Hard drive interface: Serial ATA, Hard drive speed: 7200 RPM. Display diagonal: 39.62 cm (15.6"), Display resolution: 1366 x 768 pixels. Discrete graphics adapter model: AMD Mobility Radeon HD 4650, Discrete graphics adapter memory: 1024 MB, Maximum graphics adapter memory: 2815 MB