K3851-R ATX New

Industrial Motherboard supporting the 12th/13th Gen Intel® Core™ i9 / i7 / i5 / i3 Processors
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  • Latest DDR5 memory technology for best-in-class system performance
  • Intel® UHD Graphics 7xx driven by Xe Architecture
  • Triple LAN 1GbE/2.5GbE incl. Teaming and TSN support
  • Dual M.2 Key-M SSD & single M.2 Key-E WLAN sockets onboard
  • Powerful USB 3.2 Gen 2/Type-C, 4x COM, GPIO, PCI Slot
Download Datasheet

The Industrial Motherboard K3851-R ATX is equipped with the highly performant Intel® R680E Chipset and supports the 12th & 13th gen. Intel® Core™ i9/i7/i5/i3 processors as well as the processors of the Intel® Pentium® & Intel® Celeron® series. Designed and approved for 24/7 continuous operation and an enhanced temperature range up to 60 °C, the K3851-R ATX provides high functionality and fits perfect with special requirements of certain markets. It offers iAMT-based Out-of-Band Management features and supports new features like DDR5 or PCI Express Gen5 as well as TSN or Realtime (TCC). It is therefore particularly suitable for applications in the industrial automation market, such as control PCs in 19" rack format (e.g. for robotics), medical technology, high-performance workstations for CAD applications, video editing and displays, and many more. 

Benefits of Kontron motherboards:

  • Highest quality through German engineering and production
  • Strict lifecycle management and reliable product maintenance
  • Comprehensive feature and tool set
  • Excellent technical support
  • Beneficial total-cost-of-ownership


Download CPU Compatibility List


Processor 12th/13th Gen Intel® Core™ i9 / i7 / i5 / i3 Processor Series
Intel® Pentium®/Intel® Celeron® processor series
Chipset Intel® R680E Chipset
Main Memory 4x DDR5-4800 DIMM Sockets up to 128 GByte, Dual Channel, ECC-support
Graphics Controller Intel® UHD Graphics 7xx (depends on installed processor)
Display 4x DPP V1.4a @8k
Optional VGA-Ext. D3653
Audio Controller Tempo Semiconductor 92HD91B
Audio 5.1-channel; High Definition Audio Codec
Ethernet Intel® i219LM with 10/100/1000 MBit/s, iAMT features
Intel® i225LM with 10/100/1000/2500 MBit/s, TSN Support
USB 2x USB 3.2 Gen 2 (rear I/O, Type-A), 1x USB 3.2 Gen 2 (rear I/O, Type-C with locking option), 4x USB 3.2 Gen1 (rear I/O, Type-A), 2x USB 3.2 Gen1 (by header), 2x USB 2.0 (by header), 1x USB 3.2 Gen2 (internal Type-A stick socket), 1x USB 2.0 (internal Type-A stick socket)
Serial 1x RS232 (rear I/O), 3x RS232 (by header)
Available I/Os 1x 8-Bit GPIO
SATA 4x Serial ATA III 600 Interface (up to 6GBit/s), NCQ, AHCI, RAID 0/1/5/10
Expansion 2x M.2 2230/2242/2280 (Key-M, PCIe/NVME SSD modules), incl. NVME RAID support
1x M.2 2230 (Key-E, WLAN/Bluetooth modules, incl. CNVi support)
PCIe x16: 1x 16 lanes, Gen5 / 1x 4 lanes, Gen4
PCIe x8: 1x 4 lanes, Gen4 ("open slot") / 1x 4 lanes, Gen3 ("closed slot")
PCIe x1: 2x Gen3 ("open slots")
PCI: 1x 32Bit slot
Power connector ATX (Multirail) plus 8-pin socket (12 V for CPU)
Input Voltage Multirail
Watchdog Recovery BIOS, System and BIOS Password, Boot Sequence Control,
Serial/USB- Port Access Protection, Write Protection for Flash BIOS,
EraseDisk (BIOS Feature),
Trusted Platform Module (TPM
Real Time Clock integrated
Cooling 4x PWM fan (CPU/3 x System)
Operating System Windows 10
Windows 10 IOTG
Windows 11
Mechanical Dimensions ATX (243.8 x 304.8 mm / 9.6" x 12")
Operating Temperature 0°C-60°C
Humidity 5%-85%
Certifications cTÜVus acc. IEC62368-1, CE Class B incl. Industrial Immunity, UKCA, FCC-B verified



Datasheet K3851-R ATX
[ k3851-r-atx_datasheet.pdf, 2.19 MB, Sep.25.2023 ]


Kontron FTP Server

General Safety Instruction
[ general-safety-instructions.pdf, 560.72 KB, Jan.04.2021 ]

Tech Spec Sheet

Motherboard and SMARTCASE™ Tech Specs
[ productoverview_motherboards.pdf, 10.99 MB, Nov.27.2023 ]


Kontron Services Brochure
[ kontron-services-brochure.pdf, 8.9 MB, Dec.17.2020 ]


COM Cable "long"
COM Cable \ with fullsize slot bracket  
VGA Converter Card
VGA Converter Card full/half bracket tbd  
Single M.2 Carrier Board
Single M.2 Carrier Board M.2 PCIe only  


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