ASUS X51R-AG101A, NL. Processor frequency: 1.6 GHz, Processor family: Intel Celeron Mobile, Processor cache: 1 MB. Internal memory: 1 GB, Internal memory type: DDR2-SDRAM, Memory clock speed: 667 MHz. Total storage capacity: 80 GB, Hard drive interface: Serial ATA, Hard drive speed: 5400 RPM. Display diagonal: 39.12 cm (15.4"), Display resolution: 1280 x 800 pixels. Optical drive type: DVD Super Multi DL