|   | 
              | 
            
            
             | 
            ARK-3440F-U4A2E | 
            ARK-3440F-U5A2E | 
        
        
            | Processor | 
            CPU | 
            Intel Core i3 330E | 
            Intel Core i5 520E | 
            Intel Core i7 610E | 
        
        
            | CPU TDP | 
            35W | 
            35W | 
            35W | 
        
        
            | Frequency | 
            2.13GHz | 
            2.4GHz | 
            2.53GHz | 
        
        
            | Core Number | 
            2 | 
            2 | 
            2 | 
        
        
            | L2 Cache | 
            4MB/3MB | 
            4MB/3MB | 
            4MB/3MB | 
        
        
            | BIOS | 
            AMI SPI 16Mbit | 
            AMI SPI 16Mbit | 
            AMI SPI 16Mbit | 
        
        
            | Chipset | 
            Intel QM57 | 
            Intel QM57 | 
            Intel QM57 | 
        
        
            | Memory | 
            Technology | 
            DDR3-1066 | 
            DDR3-1066 | 
            DDR3-1066 | 
        
        
            | Max. Capacity | 
            8GB | 
            8GB | 
            8GB | 
        
        
            | Socket | 
            2x204-pin SODIMM | 
            2x204-pin SODIMM | 
            2x204-pin SODIMM | 
        
        
            | Display | 
            Controller | 
            Intel QM57 integrated | 
            Intel QM57 integrated | 
            Intel QM57 integrated | 
        
        
            | VGA | 
            up to 2048x1536 | 
            up to 2048x1536 | 
            up to 2048x1536 | 
        
        
            | LCD (TTL/LVDS/eDP) | 
            LVDS: 24 bit up to 1920x1200(optional) | 
            LVDS: 24 bit up to 1920x1200(optional) | 
            LVDS: 24 bit up to 1920x1200(optional) | 
        
        
            | DDI (HDMI/DVI/DisplayPort) | 
            HDMI: HDMI 1.3 up to 2560x 1600p75 DVI-D: up to 1920 x 1200 | 
            HDMI: HDMI 1.3 up to 2560x 1600p75 DVI-D: up to 1920 x 1200 | 
            HDMI: HDMI 1.3 up to 2560x 1600p75 DVI-D: up to 1920 x 1200 | 
        
        
            | Multiple Display | 
            Dual | 
            Dual | 
            Dual | 
        
        
            | Expansion | 
            PCI Express x 4 | 
            1(optional) | 
            1(optional) | 
            1(optional) | 
        
        
            | PCI Express x 1 | 
            1(default)/2/- | 
            1(default)/2/- | 
            1(default)/2/- | 
        
        
            | Slot Type | 
            2 | 
            2 | 
            2 | 
        
        
            | PCI | 
            1(default)/2/NA | 
            1(default)/2/NA | 
            1(default)/2/NA | 
        
        
            | Ethernet | 
            Controller | 
            GbE1: Intel 82577LM GbE2: Intel 82583V | 
            GbE1: Intel 82577LM GbE2: Intel 82583V | 
            GbE1: Intel 82577LM GbE2: Intel 82583V | 
        
        
            | Speed | 
            10/100/1000Mbps | 
            10/100/1000Mbps | 
            10/100/1000Mbps | 
        
        
            | Connector | 
            RJ45x2 | 
            RJ45x2 | 
            RJ45x2 | 
        
        
            | Audio | 
            Audio Interface | 
            HD Audio | 
            HD Audio | 
            HD Audio | 
        
        
            | CODEC | 
            Realtek ALC888 | 
            Realtek ALC888 | 
            Realtek ALC888 | 
        
        
            | Connector | 
            1 (Line-in, Line out, Mic-in) | 
            1 (Line-in, Line out, Mic-in) | 
            1 (Line-in, Line out, Mic-in) | 
        
        
            | Storage | 
            SATA | 
            2 x SATA II (Max. Data Transfer Rate 300 MB/s) | 
            2 x SATA II (Max. Data Transfer Rate 300 MB/s) | 
            2 x SATA II (Max. Data Transfer Rate 300 MB/s) | 
        
        
            | CompactFlash | 
            1 | 
            1 | 
            1 | 
        
        
            | I/O | 
            USB2.0 | 
            6 | 
            6 | 
            6 | 
        
        
            | LPT | 
            1(optional) | 
            1(optional) | 
            1(optional) | 
        
        
            | COM Port | 
            2(2 x RS232, 1 x RS232/ 422/ 485) | 
            2(2 x RS232, 1 x RS232/ 422/ 485) | 
            2(2 x RS232, 1 x RS232/ 422/ 485) | 
        
        
            | Reset Button | 
            1 | 
            1 | 
            1 | 
        
        
            | Power | 
            Power Type | 
            ATX, AT | 
            ATX, AT | 
            ATX, AT | 
        
        
            | Power Supply Voltage | 
            Vin: 9VDC~34VDC | 
            Vin: 9VDC~34VDC | 
            Vin: 9VDC~34VDC | 
        
        
            | Connector | 
            4pin terminal block | 
            4pin terminal block | 
            4pin terminal block | 
        
        
            | Power Consumption (Idle) | 
            38W | 
            38W | 
            38W | 
        
        
            | Power Consumption (Full Load) | 
            52.6W | 
            52.6W | 
            52.6W | 
        
        
            | Power Adaptor | 
            Optional | 
            Optional | 
            Optional | 
        
        
            | Environment | 
            Operational Temperature | 
            With extend temperature peripherals: -10 ~ 55°C, with 0.7m/s air flow With HDD: 0 ~ 45° C, with 0.7m/s air flow | 
            With extend temperature peripherals: -10 ~ 55°C, with 0.7m/s air flow With HDD: 0 ~ 45° C, with 0.7m/s air flow | 
            With extend temperature peripherals: -10 ~ 55°C, with 0.7m/s air flow With HDD: 0 ~ 45° C, with 0.7m/s air flow | 
        
        
            | Non-Operational Temperature | 
            -40~ 85° C and 40° C @ 95% RH Non-Condensing | 
            -40~ 85° C and 40° C @ 95% RH Non-Condensing | 
            -40~ 85° C and 40° C @ 95% RH Non-Condensing | 
        
        
            | Vibration Resistance | 
            With SSD: 5 Grms With HDD: 1 Grms | 
            With SSD: 5 Grms With HDD: 1 Grms | 
            With SSD: 5 Grms With HDD: 1 Grms | 
        
        
            | Shock Protection | 
            With SSD: 50 G With HDD: 20 G | 
            With SSD: 50 G With HDD: 20 G | 
            With SSD: 50 G With HDD: 20 G | 
        
        
            | Physical | 
            Dimension (mm) | 
            200x220x117mm | 
            200x220x117mm | 
            200x220x117mm | 
        
        
            | Weight | 
            4kg(8.8lb) | 
            4kg(8.8lb) | 
            4kg(8.8lb) | 
        
        
            | Construction | 
            Aluminum/Iron | 
            Aluminum/Iron | 
            Aluminum/Iron | 
        
        
            | Mounting | 
            Desk/ Wallmounting | 
            Desk/ Wallmounting | 
            Desk/ Wallmounting | 
        
        
            | Operating System | 
            Microsoft Windows | 
            Yes | 
            Yes | 
            Yes | 
        
        
            | Linux | 
            Yes | 
            Yes | 
            Yes | 
        
        
            | SUSIAccess | 
            Yes | 
            Yes | 
            Yes | 
        
        
            | Certification | 
            EMC | 
            CE, FCC, CCC, BSMI, KC | 
            CE, FCC, CCC, BSMI, KC | 
            CE, FCC, CCC, BSMI, KC | 
        
        
            | Safety Certifications | 
            UL, CCC, BSMI, KC | 
            UL, CCC, BSMI, KC | 
            UL, CCC, BSMI, KC |