Can support up to 3 independent HDMI outputs, Housing Material SECC, Chassis Color Black, Dimension W x H x D (mm) 166 x 48 x 157 mm, Weight 2.0 kg / 4.4 lb, CPU/ AMD Embedded R-series Merlin Falcon, RX-421BD 2.1-3.4 GHz Quad Core, Memory Dual Channel DDR4, (max 16G), Graphics Chip AMD Radeon R5 series HD graphics, Expansion slot M.2 2242 x2, M.2 2230 x1 (for wifi), Audio Type Realtek HD Audio ALC269Q Channel Stereo, LAN Realtek Gigabit Ethernet RTL8111H x1 10/100/1000 Mbps, Storage M.2 2242 x2 2.5" SATA x1 Up to 2 total, USB 2.0 Port x 2, Rear Panel IO, DC Jack x 1, HDMI Port x 3 (1x 2.0, 2x1.4b), USB 3.0 Port x 4, RJ45 LAN Jack x 1, Legacy RS232 Serial Port x 1, Audio Set, Line-Out x 1, Mic-in x 1, Antenna Holes x 2, Others Extended Power SW x 1, Watchdog Timer 1 ~255 sec/min, Adapter 19V/90W AC adapter, Input Voltage AC 100 ~240 V, MTBF 50,000 hrs