Intel Atom D2550 Fanless Computing , Mini Computer with RS422,HDMI, WINDOWS7 Embedded Computing

Main Board ?Intel? Atom? N2800 Dual Core processor, 1.86GHz, 1M Cache ?Integrated Intel GMA 3650"Main Memory ?1 x DDR3 , support up to 2 GB DDR3 1333/800 Storage        ?1 x 2.5" SATA HDD drive bayExpansion ?2 x Mini-PCIe socket onboard ?Default: support optional Wi-Fi module?Option: support 3G moduleI/O Interface-Front ?Power on/ off switchI/O Interface-Rear      ?4 x USB 2.0?2 x RJ45?1 x VGA?1 x HDMI ?1 x Audio?4x COM?1x 12V DC IN?2 x Antenna holes (Either optional Wi-Fi or Mobile wireless module)"Power Requirements ?12V DC INDimensions        ?210 mm (W) x 180 mm (D) x 56mm (H)Construction        ?Aluminum Chassis 

Main Board ?Intel? Atom? D2550 Dual Core processor, 1.86GHz ?Integrated Intel GMA 3600Main Memory ?1 x DDR3 SO-DIMM socket, support up to 4 GB DDR3 1333/800 SDRAM Storage        ?2 x 2.5" SATA HDD drive bayExpansion ?2 x Mini-PCIe socket onboard  ?Default: support optional Wi-Fi module ?Option: support 3G moduleI/O Interface-Front ? Power on/ off switchI/O Interface-Rear ?6 x USB 2.0?1 x RJ45?1 x VGA?1 x HDMI?1 x MIC-in ?1 x Audio?3x COM?1x 12V DC IN?2 x Antenna holes (Either optional Wi-Fi or Mobile wireless module)Power Requirements ?12V DC INDimensions        ?210 mm (W) x 180 mm (D) x 56mm (H)Construction        ?Aluminum Chassis