ASUS K51AE-SX021V. Processor frequency: 2 GHz, Processor family: AMD Athlon, Processor model: M300. Internal memory: 4 GB, Internal memory type: DDR2-SDRAM, Memory clock speed: 800 MHz. Total storage capacity: 500 GB, Hard drive interface: Serial ATA, Hard drive speed: 5400 RPM. Display diagonal: 39.62 cm (15.6"), Display resolution: 1366 x 768 pixels, Aspect ratio: 16:9. Discrete graphics adapter model: AMD Mobility Radeon HD 4200