OEM mini itx pc for your requirements, Mini itx case for mini itx board.
MPC-4600-WIFI Mini-ITX Fanless Embedded Box PC with wifi module, Intel AtomD525 Processor, 2.5" SATA 320G HDD(or 32G SSD) , 2G RAM(4G optional), 6xUSB, 4x COM Ports, 1 x LAN port ( RJ45 ), 1 x VGA , 1 x LPT, 2 x PS2 and 1xLine out / MIC in, Wireless LAN with antenna
