ARK-2251: Intel 13th Generation Core™ i3/i5/i7 Modular Fanless Box PC

ARK-2251

ARK-2251-S2A1

ARK-2251-S3A1

ARK-2251-S7A1

ARK-2251-S2A1U

ARK-2251-S3A1U

Processor 

CPU

Core i3-1315UE

Core i5-1335UE

i7-1365UE

Core i3-1315UE

Core i5-1335UE

Core Number

2P+4E

2P+8E

2P+8E

2P+4E

2P+8E

Frequency

1.2 GHz

1.3 GHz

1.7 GHz

1.2 GHz

1.33 GHz

BIOS

AMI UEFI 256 Mbit

AMI UEFI 256 Mbit

AMI UEFI 256 Mbit

AMI EFI 256 Mbit

AMI EFI 256 Mbit

Memory 

Technology

DDR5 4800 MHz

DDR5 4800 MHz

DDR5 4800 MHz

DDR5 4800 MHz

DDR5 4800 MHz

Max. Capacity

64GB (up to 32GB per SO-DIMM)

64GB (up to 32GB per SO-DIMM)

64GB (up to 32GB per SO-DIMM)

64GB (up to 32GB per SO-DIMM)

64GB (up to 32GB per SO-DIMM)

Socket

2 x 262 pin DDR5 SO-DIMM

2 x 262 pin DDR5 SO-DIMM

2 x 262 pin DDR5 SO-DIMM

2 x 262 pin DDR5 SO-DIMM

2 x 262 pin DDR5 SO-DIMM

ECC Support

No

No

No

No

No

Graphics 

Controller

Intel® UHD Graphics for 13th Gen Intel® Processors

Intel® UHD Graphics for 13th Gen Intel® Processors

Intel® UHD Graphics for 13th Gen Intel® Processors

Intel® UHD Graphics for 13th Gen Intel® Processors

Intel® UHD Graphics for 13th Gen Intel® Processors

HDMI

2

2

2

2

2

Dual Display

Yes, HDMI + HDMI , both display support 4K2K resolution

Yes, HDMI + HDMI , both display support 4K2K resolution

Yes, HDMI + HDMI , both display support 4K2K resolution

Yes, HDMI + HDMI, dual display support 4K2K resolution

Yes, HDMI + HDMI , both display support 4K2K resolution

Audio 

Main System

Realtek ALC888S, High Definition Audio, Line-out, Mic-in

Realtek ALC888S, High Definition Audio. Line-out,Line-in

Realtek ALC888S, High Definition Audio. Line-out,Line-in

Realtek ALC888S, High Definition Audio. Line-out, Line-in

Realtek ALC888S, High Definition Audio. Line-out,Line-in

Ethernet 

LAN1

10/100/1000 Mbps Intel i219 GbE, support Wake On Lan

10/100/1000 Mbps Intel i219 GbE, support Wake On Lan

10/100/1000 Mbps Intel i219 GbE, support Wake On Lan

10/100/1000 Mbps Intel i219 GbE, support Wake On Lan

10/100/1000 Mbps Intel i219 GbE, support Wake On Lan

LAN3

10/100/1000/2500 Mbps Intel i226 GbE, support Wake On LAN

10/100/1000/2500 Mbps Intel i226 GbE, support Wake On LAN

10/100/1000/2500 Mbps Intel i226 GbE, support Wake On LAN

10/100/1000/2500 Mbps Intel i226 GbE, support Wake On LAN

10/100/1000/2500 Mbps Intel i226 GbE, support Wake On LAN

LAN2

10/100/1000/2500 Mbps Intel i226 GbE, support Wake On LAN

10/100/1000/2500 Mbps Intel i226 GbE, support Wake On LAN

10/100/1000/2500 Mbps Intel i226 GbE, support Wake On LAN

10/100/1000/2500 Mbps Intel i226 GbE, support Wake On LAN

10/100/1000/2500 Mbps Intel i226 GbE, support Wake On LAN

I/O Interface 

Serial Port

6 x RS232/ 422/ 485

6 x RS232/ 422/ 485

6 x RS232/ 422/ 485

6 x RS232/ 422/ 485

6 x RS232/ 422/ 485

USB Interface

6 x USB 3.1

6 x USB 3.1

6 x USB 3.1

6 x USB 3.1

6 x USB 3.1

GPIO

8-bit

8-bit

8-bit

8-bit

8-bit

Expansion 

Mini PCIe

x Full-size Mini PCIe with 1 SIM holder

1 x full size Mini PCIe with SIM holder

1 x full size Mini PCIe with SIM holder

1 x full size Mini PCIe with SIM holder

1 x full size Mini PCIe with SIM holder

M.2

1 x M.2 2230 E key + 1 x M.2 2280 M key

1 x M.2 2230 E key + 1 x M.2 2280 M key

1 x M.2 2230 E key + 1 x M.2 2280 M key

1 x M.2 2230 E key + 1 x M.2 2280 M key

1 x M.2 2230 E key + 1 x M.2 2280 M key

iDoor Module

1 set (Optional)

1 set (Optional)

1 set (Optional)

1 set (Optional)

1 set (Optional)

Others 

Watchdog timer

255 levels timer interval, setup by software

255 levels timer interval, setup by software

255 levels timer interval, setup by software

255 levels timer interval, setup by software

255 levels timer interval, setup by software

Storage 

NVMe

1 x PCIe x4 with M.2 M key

1 x PCIe x4 with M.2 M key

1 x PCIe x4 with M.2 M key

1 x PCIe x4 with M.2 M key

1 x PCIe x4 with M.2 M key

mSATA

1 (Full-size mini-PCIe)

1 (Full-size mini-PCIe)

1 (Full-size mini-PCIe)

1 (Full-size mini-PCIe)

1 (Full-size mini-PCIe)

Software Support 

Microsoft Windows

Windows 10

Windows 10

Windows 10

Windows 10

Windows 10

Linux

Ubuntu 22.04

Ubuntu 22.04

Ubuntu 22.04

Ubuntu 22.04

Ubuntu 22.04

Power 

Power Type

AT / ATX

AT / ATX

AT / ATX

AT / ATX

AT / ATX

Input Voltage

12 ~ 24 VDC

12 ~ 24 VDC

12 ~ 24 VDC

12 ~ 24 VDC

12 ~ 24 VDC

Consumption

Typical 19.06W, Max. 38.21W

Typical 19.30W, Max. 41.23W

Typical 19.47W, Max. 42.13W

Typical 19.06W, Max. 38.21W

Typical 19.30W, Max. 41.23W

Mechanical 

Construction

Aluminum housing

Aluminum housing

Aluminum housing

Aluminum housing

Aluminum housing

Mounting

Desk/wall-mounting

Desk/wall-mounting

Desk/wall-mounting

Desk/wall-mounting

Desk/wall-mounting

Dimensions

260 x 54 x 140.2 mm (10.24" x 2.13" x 5.52")

260 x 54 x 140.2 mm (10.24" x 2.13" x 5.52")

260 x 54 x 140.2 mm (10.24" x 2.13" x 5.52")

260 x 54 x 140.2 mm (10.24" x 2.13" x 5.52")

260 x 54 x 140.2 mm (10.24" x 2.13" x 5.52")

Weight

2.3 kg (5.07 lb)

2.3 kg (5.07 lb)

2.3 kg (5.07 lb)

2.3 kg (5.07 lb)

2.3 kg (5.07 lb)

Environment 

Operational Temperature

-20 ~ 60 °C (-4 ~ 140 °F) with 0.7m/s air flow

-20 ~ 60 °C (-4 ~ 140 °F) with 0.7m/s air flow

-20 ~ 60 °C (-4 ~ 140 °F) with 0.7m/s air flow

-20 ~ 60 °C (-4 ~ 140 °F) with 0.7m/s air flow

-20 ~ 60 °C (-4 ~ 140 °F) with 0.7m/s air flow

Storage Temperature

-40 ~ 85° C (-40 ~ 185° F)

-40 ~ 85° C (-40 ~ 185° F)

-40 ~ 85° C (-40 ~ 185° F)

-40 ~ 85° C (-40 ~ 185° F)

-40 ~ 85° C (-40 ~ 185° F)

Relative Humidity

95% @ 40° C (non-condensing)

95% @ 40° C (non-condensing)

95% @ 40° C (non-condensing)

95% @ 40° C (non-condensing)

95% @ 40° C (non-condensing)

Vibration During Operation

3 Grms, IEC60068-2-64, random, 5~500 Hz, 1hr/axis

3 Grms, IEC60068-2-64, random, 5~500 Hz, 1hr/axis

3 Grms, IEC60068-2-64, random, 5~500 Hz, 1hr/axis

3 Grms, IEC60068-2-64, random, 5~500 Hz, 1hr/axis

3 Grms, IEC60068-2-64, random, 5~500 Hz, 1hr/axis

Shock During Operation

30G, IEC60068-2-27, half sine, 11m duration

30G, IEC60068-2-27, half sine, 11m duration

30G, IEC60068-2-27, half sine, 11m duration

30G, IEC60068-2-27, half sine, 11m duration

30G, IEC60068-2-27, half sine, 11m duration

Certification 

EMC

CE/FCC Class B, CCC, BSMI

CE,FCC Class B, CCC, BSMI

CE,FCC Class B, CCC, BSMI

CE,FCC Class B, CCC, BSMI

CE,FCC Class B, CCC, BSMI

Safety Certifications

UL, CCC, BSMI

UL, CCC, BSMI

UL, CCC, BSMI

UL, CCC, BSMI

UL, CCC, BSMI