Digital Engine DE6140(Discontinued Model) Suggest visit these Models instead (Click) mini pc (4 x Hdmi) is specially designed for Digital Signage customer. With its 4 x Hdmi Ports, project customer can display up to 4 independant monitors. Its rugged and compact design makes it very flexible for applying to different applications including digital signage, KIOSK, POS, and advertising display.   Quad Display Mini-PC Digital Engine® DE6140 Mini-PC High quality graphics through multiple displays for Signage applications. 4 x Hdmi Ports Small form factor compact design High performance for Ultra HD resolution (4k*) The max resolution of 2x2 (4 x Hdmi) video wall is 3840 x 2160 Full size Mini card slots for expansions Support for both Spanning (stretched desktop),(Extended Desktop) on all connected screens for up to four independent (Full HD) displays for Digital-Signage. Digital Engine® DE6140 Digital Siganage Mini-PC (4 x Hdmi) comes equipped with AMD's Embedded R-series APU Dual/Quad core TDP 35W CPUs to process high quality videos and images for digital signage applications. With the integrated 4 x HDMI ports, the DE6140 can be configured for up to four screens. Rounding out the I/O ports with USB 2.0 ports in the rear panel (and 2 USB 2.0 ports in front and back panels), dual WLAN antenna, Gigabit LAN, RS232 port and optional m-SATA for various expansion options. With its rugged and compact design, Digital Engine® DE6140 Digital Signage Mini-PC (4 x Hdmi) is very flexible for applying to different applications including digital signage, KIOSK, POS, and advertising display. Key Features Digital Engine® DE6140 Digital Signage Mini-PC (4 x Hdmi) is special design for multiple screen application. AMD embedded R-series Dual/Quad core APU with TDP 35W CPU with low power consumption. Dual DDRIII SO-DIMM 1333/1600MHz memory up to 16GB Realtek HD AUDIO ALC662 provides crystal clear audio output. Integrated mini card slot supports various expansion options. (Not for mSATA)     COM port Giga LAN x 1 Antenna Hole x 2   DC20V HDMI x 4     USB 2.0 ESATA x 2 USB 2.0 x 2 Speaker out Mic-in 4U Rack for Six Digital Engines Digital Signage Whole in 1 Management System