Sony VGN-Z31ZN/X, VAIO. Processor clock speed: 2.66 GHz, Processor family: Intel Core 2 Duo, Processor model: P9600. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM, Memory clock speed: 1066 MHz. Total storage capacity: 128 GB, Solid-state drive capacity: 128 GB, Compatible memory cards: SD. Display diagonal: 332.7 mm (13.1 "), Display resolution: 1600 x 900 pixels, Aspect ratio: 16:9. Discrete graphics adapter model: NVIDIA GeForce 9300M GS, Discrete graphics adapter memory: 256 MB, Maximum graphics adapter memory: 1500 MB