1 x DDR3 SO-DIMM slot (up to 8GB)10/100/1000 Base-T Fast Ethernet1 x 2.5” SATA HDD (standard 160GB)WINXP, POSReady2009, WEPOS, WES2009, WIN7, POSReady7120 watt ~ 150 watt power adaptor8 kg385 x 313 x 188 mm 4 x USB ports3 x DB-9 & 1 x RJ45, +5V/12V ...