HP CQ57-420ef, Compaq Presario. Processor clock speed: 1.3 GHz, Processor family: AMD C, Processor model: E-300. Internal memory: 2 GB, Internal memory type: DDR3-SDRAM, Memory layout: 1 x 2 GB. Total storage capacity: 320 GB, Storage media type: HDD, Hard drive capacity: 320 GB. Display diagonal: 396.2 mm (15.6 "), Display resolution: 1366 x 768 pixels, Aspect ratio: 16:9. On-board graphics adapter model: AMD Radeon HD 6310 Graphics, On-board graphics adapter memory: 949 MB