|   | 
              | 
            ARK-3520L-U7A1E | 
            ARK-3520L-U8A1E | 
        
        
            | Processor | 
            CPU | 
            Intel   Core i5-6440EQ | 
            Intel   Core i5-6440EQ | 
        
        
            | Core Number | 
            4 | 
            4 | 
        
        
            | Frequency | 
            2.7GHz | 
            2.8GHz | 
        
        
            | L3 Cache | 
            6   MB | 
            8   MB | 
        
        
            | Watts | 
            45W | 
            45W | 
        
        
            | Chipset | 
            Intel   QM170 | 
            Intel   QM170 | 
        
        
            | BIOS | 
            AMI   EFI 128Mbit | 
            AMI   EFI 128Mbit | 
        
        
            | Memory | 
            Technology | 
            DDR4   2133MHz | 
            DDR4   2133MHz | 
        
        
            | Max. Capacity | 
            32   GB | 
            32   GB | 
        
        
            | Socket | 
            2   x 260-pin SO-DIMM | 
            2   x 260-pin SO-DIMM | 
        
        
            | Graphics | 
            Chipset | 
            Intel   QM170 Integrated GFX Gen 9 | 
            Intel   QM170 Integrated GFX Gen 9 | 
        
        
            | Graphic Engine | 
            Direct   x 12, OpenGL 4.4, HW Encode: H.265/HEVC, H.264/MPEG-4 AVC, MPEG-2, JPEG/MJPEG   and VP8, HW Decode: H.265/HEVC, H.264/MPEG-4 AVC, MPEG-2, VC-1/WMV9,   JPEG/MJPEG, VP8 and VP9 | 
            Direct   x 12, OpenGL 4.4, HW Encode: H.265/HEVC, H.264/MPEG-4 AVC, MPEG-2, JPEG/MJPEG   and VP8, HW Decode: H.265/HEVC, H.264/MPEG-4 AVC, MPEG-2, VC-1/WMV9,   JPEG/MJPEG, VP8 and VP9 | 
        
        
            | VGA | 
            Up   to 1920 x 1200 at 60 Hz | 
            Up   to 1920 x 1200 at 60 Hz | 
        
        
            | HDMI | 
            1   HDMI port, HDMI 1.4a for HD video playback, 3840x2160 @30Hz | 
            1   HDMI port, HDMI 1.4a for HD video playback, 3840x2160 @30Hz | 
        
        
            | Triple Display | 
            VGA+HDMI   + 3rd display module (DVI-D / DP / 2nd HDMI Display Port) | 
            VGA+HDMI   + 3rd display module (DVI-D / DP / 2nd HDMI Display Port) | 
        
        
            | Audio | 
            Interface | 
            Realtek   ALC888S, High Definition Audio, Line-out, Mic-in | 
            Realtek   ALC888S, High Definition Audio, Line-out, Mic-in | 
        
        
            | Ethernet | 
            LAN1 | 
            10/100/1000   Mbps Intel I219-LM GbE, support Wake On Lan | 
            10/100/1000   Mbps Intel I219-LM GbE, support Wake On Lan | 
        
        
            | LAN2 | 
            10/100/1000   Mbps Intel I210 GbE, support Wake on LAN  | 
            10/100/1000   Mbps Intel I210 GbE, support Wake on LAN | 
        
        
            | I/O  | 
            Serial   Port | 
            4   x RS-232 ports, 4 x RS-232/422/485 port with auto flow control; COM 1,2   support 5V/12V power supply (by jumper) | 
            4   x RS-232 ports, 4 x RS-232/422/485 port with auto flow control; COM 1,2   support 5V/12V power supply (by jumper) | 
        
        
            | USB Interface | 
            6   x USB 3.0 ports; 2 x USB 2.0 ports | 
            6   x USB 3.0 ports; 2 x USB 2.0 ports | 
        
        
            | Digital I/O | 
            16   bit DIO | 
            16   bit DIO | 
        
        
            | PS/2 | 
            1   port support by option cable and bracket | 
            1   port support by option cable and bracket | 
        
        
            | Parallel port | 
            D-sub   25pin connector (Optional) | 
            D-sub   25pin connector (Optional) | 
        
        
            | Other | 
            Watchdog   Timer | 
            255   levels timer interval, setup by software | 
            255   levels timer interval, setup by software | 
        
        
            | TPM | 
            TPM   2.0 (Optional by project support) | 
            TPM   2.0 (Optional by project support) | 
        
        
            | Expansion | 
            Slots | 
            AMO-3501E   3 Slot Riser Card for 2x PCI+1xPCIx4 | 
            AMO-3501E   3 Slot Riser Card for 2x PCI+1xPCIx4 | 
        
        
            | Mini PCIe | 
            2   x Full-size Mini PCIe (1 x support mSATA, 1 x support SIM holder) | 
            2   x Full-size Mini PCIe (1 x support mSATA, 1 x support SIM holder) | 
        
        
            | M.2 | 
            1   x E key for WiFi | 
            1   x E key for WiFi | 
        
        
            | iDoor Module | 
            1   set (Optional) | 
            1 set (Optional) | 
        
        
            | Storage | 
            HDD | 
            1   x 2.5" SATAIII HDD Bay with Max Height 15mm, (1 internal 2.5" HDD   Bay with one optional removable HDD Bay) | 
            1   x 2.5" SATAIII HDD Bay with Max Height 15mm, (1 internal 2.5" HDD   Bay with one optional removable HDD Bay) | 
        
        
            | mSATA | 
            1x   mSATA socket (Share 1 Mini PCIe) | 
            1x   mSATA socket (Share 1 Mini PCIe) | 
        
        
            | Software Support | 
            Microsoft   Windows | 
            Windows   10, Windows 8.1, Windows 7 | 
            Windows   10, Windows 8.1, WES7, Windows 7 | 
        
        
            | Linux | 
            Support   by project | 
            Support   by project | 
        
        
            | Power  | 
            Power   Type | 
            ATX | 
            ATX | 
        
        
            | Input Voltage | 
            12   VDC (9 ~ 36 VDC as option) | 
            12   VDC (9 ~ 36 VDC as option) | 
        
        
            | Power Adaptor | 
            AC   to DC, 150W (Optional) | 
            AC   to DC, 150W (Optional) | 
        
        
            | Consumption | 
            Typical   11.4W, Max. 46.5W | 
            Typical   11.4W, Max. 46.5W | 
        
        
            | Mechanical | 
            Construction | 
            Aluminum   housing | 
            Aluminum   housing | 
        
        
            | Mounting | 
            Desk/wall-mounting | 
            Desk/wall-mounting | 
        
        
            | Dimensions | 
            220   x 101 x 233 mm (8.66" x 3.98" x 9.17") | 
            220   x 101 x 233 mm (8.66" x 3.98" x 9.17") | 
        
        
            | Weight | 
            4.8   kg (10.58 lb) | 
            4.8   kg (10.58 lb) | 
        
        
            | Environment | 
            Operating   Temperature | 
            With   extended temperature peripherals: -20 ~ 60° C (-4 ~ 140° F) with 0.7m/s air   flow With 2.5-inch hard disk 0 ~ 45° C (32 ~ 112° F) with 0.7m/s air flow | 
            With   extended temperature peripherals: -20 ~ 60° C (-4 ~ 140° F) with 0.7m/s air   flow With 2.5-inch hard disk 0 ~ 45° C (32 ~ 112° F) with 0.7m/s air flow | 
        
        
            | Storage Temperature | 
            -40   ~ 85° C (-40 ~ 185° F) | 
            -40   ~ 85° C (-40 ~ 185° F) | 
        
        
            | Relative Humidity | 
            95%   @ 40° C (non-condensing) | 
            95%   @ 40° C (non-condensing) | 
        
        
            | Vibration during Operation | 
            With   SSD: 3 Grms, IEC 60068-2-64, random, 5 ~ 500 Hz, 1 hr/axis | 
            With   SSD: 3 Grms, IEC 60068-2-64, random, 5 ~ 500 Hz, 1 hr/axis. | 
        
        
            | Shock During Operation | 
            With   SSD: 30 G, IEC 60068-2-27, half sine, 11 ms duration | 
            With   SSD: 30 G, IEC 60068-2-27, half sine, 11 ms duration | 
        
        
            | Regulation | 
            EMC | 
            CE/FCC   Class B, CCC, BSMI | 
            CE/FCC   Class A, CCC, BSMI | 
        
        
            | Safety | 
            UL,   CCC, BSMI | 
            UL,   CCC, BSMI, CB |