Shuttle XS35V3. Maximum CPU clock speed supported: 2130 MHz, Processor family: Intel, L2 cache: 1 MB. Supported hard disk drive interfaces: Serial ATA, Supported hard disk drive sizes: 63.5 mm (2.5 "). Maximum internal memory: 4 GB, Memory slots: 2x SO-DIMM, Supported memory clock speeds: 1333, 1600 MHz. Graphic adapter: GMA 3650, Graphics adapter family: Intel, Maximum graphic adapter memory: 384 MB. Audio system: IDT92HD81