| ARK-1551-S6A1 | ARK-1551-U0A1 | ||
| Processor | CPU | Intel® Core™ i5-8365UE | Celeron 4305UE |
| Processor | Core Number | 4 | 2 |
| Processor | Frequency | 1.6 GHz, turbo burst up to 4.1 GHz | 2.0 GHz |
| Processor | BIOS | AMI EFI 256 Mbit | AMI EFI 256 Mbit |
| Memory | Technology | DDR4 2400MHz SO-DIMM | DDR4 2400MHz SO-DIMM |
| Memory | Max. Capacity | 32 GB | 32 GB |
| Memory | Socket | 2 x 260 pin SO-DIMM | 2 x 260 pin SO-DIMM |
| Memory | ECC Support | No | No |
| Graphics | Chipset | Intel UHD Graphics 620 | Intel HD Graphics 610 |
| Graphics | Graphic Engine | Gen9 Low Power; 24 (UHD 620) /12(UHD 610) Execution Units. Media Codec Supported: H.264, MPEG2, MVC, VC-1, WMV9, H.265 / HEVC. 3D HW Acceleration: OpenGL 4.5, DirectX* 11.3/12, OpenCL* 2.1 | Gen9 Low Power; 24 (UHD 620) /12(UHD 610) Execution Units. Media Codec Supported: H.264, MPEG2, MVC, VC-1, WMV9, H.265 / HEVC. 3D HW Acceleration: OpenGL 4.5, DirectX* 11.3/12, OpenCL* 2.1 |
| Graphics | HDMI | 1 | 1 |
| Graphics | Dual Display | Yes, VGA + HDMI | Yes, VGA + HDMI |
| Audio | Main System | Realtek ALC888S, High Definition Audio, Line-out, Mic-in | Realtek ALC888S, High Definition Audio, Line-out, Mic-in |
| Ethernet | Controller | 2 | 2 |
| Ethernet | LAN1 | 10/100/1000 Mbps Intel i210 GbE, support Wake On Lan | 10/100/1000 Mbps Intel i210 GbE, support Wake On Lan |
| Ethernet | LAN2 | 10/100/1000 Mbps Intel i219GbE, support Wake On LAN | 10/100/1000 Mbps Intel i219GbE, support Wake On LAN |
| I/O Interface | Serial Port | 4 x RS-232/422/485 support from 50 bps to 921.6 kbps, with auto flow control. COM3 with 5V/12V power, by jumper setting | 4 x RS-232/422/485 support from 50 bps to 921.6 kbps, with auto flow control. COM3 with 5V/12V power, by jumper setting |
| I/O Interface | Serial | 4 | 4 |
| I/O Interface | USB Interface | 4 x USB 3.1 Gen2, Type A connector | 4 x USB 3.1 Gen2, Type A connector |
| I/O Interface | USB3.0 | 4 | 4 |
| I/O Interface | GPIO | 8-bit | 8-bit |
| Expansion | Mini PCI Express | 1 | 1 |
| Expansion | Mini PCIe #1 | 1 x full-size mPCIe with 1x nano SIM holder (PCIe x2, USB 2.0x1, UIM, SATA x1) | 1 x full-size mPCIe with 1x nano SIM holder (PCIe x2, USB 2.0x1, UIM, SATA x1) |
| Expansion | M.2 | 1 | 1 |
| Others | Watchdog timer | 255 levels timer interval, setup by software | 255 levels timer interval, setup by software |
| Others | TPM | Infineon SLB9665XQ 2.0 | Infineon SLB9665XQ 2.0 |
| Others | Case Open | Support | Support |
| Storage | mSATA | 1 x Full-size mSATA (*share with mPCIe slot) | 1 x Full-size mSATA (*share with mPCIe slot) |
| Storage | PCIe | Support 2x Advantech SQF PCIex2 NVMe storage (1 x M.2 2230 E Key + 1 x mPCIe) | Support 2x Advantech SQF PCIex2 NVMe storage (1 x M.2 2230 E Key + 1 x mPCIe) |
| Storage | 2.5" HDD/SSD | 1 x Swappable 2.5" SATAIII drive bay (compatible with 7mm height) | 1 x Swappable 2.5" SATAIII drive bay (compatible with 7mm height) |
| Software Support | Microsoft Windows | Windows 10 | Windows 10 |
| Operating System | Ubuntu | V | V |
| Power | Power Type | AT/ATX | AT/ATX |
| Power | Input Voltage | 12 ~ 24 VDC | 12 ~ 24 VDC |
| Power | Power Adaptor | AC to DC, 90W for 0 ~ 40 °C/ AC to DC, 120W for condition -20 ~ 55 °C (Optional) | AC to DC, 90W (Optional) |
| Power | Power Consumption | Typical 13.87 W, Max 47.12W | Typical 8.93W, Max 24.7W |
| Power Consumption | Typical | 13.87W | 8.93W |
| Power Consumption | Max. | 47.12W | 24.7W |
| Mechanical | Construction | Aluminum housing | Aluminum housing |
| Mechanical | Mounting | Wall Mounting (Default); VESA & DIN-Rail Mounting (Optional) | Wall Mounting (Default); VESA & DIN-Rail Mounting (Optional) |
| Mechanical | Dimensions | 195 x 55 x 140 mm (7.68" x 2.16" x 5.52") | 195 x 55 x 140 mm (7.68" x 2.16" x 5.52") |
| Mechanical | Weight | 1.2 kg (2.65lb) | 1.2 kg (2.65lb) |
| Environment | Operational Temperature | With extended temp. peripherals: -20 ~ 55 °C (-4 ~ 131 °F) with 0.7 m/s air flow. With 2.5 inch hard disk: 0 ~ 40 °C (32 ~ 104 °F) with 0.7 m/s air flow | With extended temp. peripherals: -20 ~ 55 °C (-4 ~ 131 °F) with 0.7 m/s air flow. With 2.5 inch hard disk: 0 ~ 40 °C (32 ~ 104 °F) with 0.7 m/s air flow |
| Environment | Storage Temperature | -40 ~ 85° C (-40 ~ 185° F) | -40 ~ 85° C (-40 ~ 185° F) |
| Environment | Relative Humidity | 95% @ 40° C (non-condensing) | 95% @ 40° C (non-condensing) |
| Environment | 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 |
| Environment | 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 |
| Certification | EMC | CE/FCC Class B, CCC, BSMI | CE/FCC Class B, CCC, BSMI |
| Certification | Safety Certifications | UL, CB, CCC, BSMI | UL, CB, CCC, BSMI |
Advantech ARK-1551 Intel® 8th Generation Core™ i5/Celeron Slim Fanless Computer
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