Sony VAIO VPCM12M1E/L. Processor clock speed: 1.83 GHz, Processor model: N470, L2 cache: 0.5 MB. Internal memory: 1 GB, Internal memory type: DDR2-SDRAM, Maximum internal memory: 2 GB. Hard drive rotational speed: 5400 RPM, Hard drive interface: Serial ATA, Total storage capacity: 250 GB. Compatible memory cards: Memory Stick (MS), SD. Display diagonal: 256.5 mm (10.1 "), Display resolution: 1024 x 600 pixels