Shuttle XS35 Ultra Slim Barebone with Atom D510 Dual Core Processor, Supports up to 2 GB RAM, Supports up to 500 GB SATA II 2.5 HDD and 40 W Power Adapter (Black) Ultra Slim (1.5 inches thin) Powered by the latest Intel Atom D510 dual-core processor with NM10 chipset. Fanless design Can even be wall mounted or fitted behind monitor with the optional VESA mounting bracket. WiFi built in