Acer Extensa E464, Extensa. Processor frequency: 2.33 GHz, Processor family: Intel Core 2 Quad, Processor model: Q8200. Internal memory: 4 GB, Internal memory type: DDR2-SDRAM, Maximum internal memory: 4 GB. Total storage capacity: 640 GB, Hard drive interface: Serial ATA II. Optical drive type: DVD-RW. Discrete graphics adapter model: AMD Radeon HD 3650