Lenovo W520, ThinkPad. Processor clock speed: 2.8 GHz, L3 cache: 4 MB, Motherboard chipset: Intel QM67 Express. Internal memory: 8 GB, Internal memory type: DDR3-SDRAM, Memory clock speed: 1333 MHz. Total storage capacity: 320 GB, Storage media: HDD, Hard drive capacity: 320 GB. Display diagonal: 396.2 mm (15.6 "), Display resolution: 1920 x 1080 pixels, Aspect ratio: 16:9. Discrete graphics adapter memory: 2048 MB, Discrete graphics memory type: GDDR3, Maximum resolution: 1920 x 1080 pixels