|  |  |  | 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 |