Shuttle X50V2 Plus. Maximum CPU clock speed supported: 1800 MHz, Processor family: Intel, Compatible processor series: Atom. Supported hard disk drive interfaces: Serial ATA. Maximum internal memory: 4 GB, Memory slots: 2x SO-DIMM, Supported memory clock speeds: 667, 800 MHz. Graphic adapter: GMA 3150, Graphics adapter family: Intel, Maximum graphics adapter memory: 256 MB. Audio system: IDT92HD81, Speaker power: 2 W