K3921-N mSTX

Industrial Motherboard supporting the Intel® Core™ i3 processors & Intel® processors N series

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  • Supporting new Intel® Twin Lake Processors
  • Latest DDR5 memory technology for best-in-class system performance
  • Intel® UHD Gen12 Graphics - driven by Intel® Xe architecture (within SoC)
  • Up to 2x DisplayPort 1.4 and 1x DisplayPort via USB Type-C
  • Dual Channel LVDS (24 Bit) and eDP V1.4b (4 K) onboard
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Product Information

The Industrial Motherboard K3921-N mSTX is based on the latest Intel® Core™ i3 and Intel® Processors series (Alder Lake N, Twin Lake) with powerful UHD Gen12 graphics using Intel® Xe architecture. There are two DisplayPorts 1.4, one DisplayPort via front USB-Type-C plus onboard connectors for Embedded DisplayPort and Dual-Channel 24bit LVDS panels. Three independent displays with up to 4K display resolution (2x 4K + 1x FHD) are supported. The K3921-N is equipped with two M.2 (Storage and Wifi) connectors and in addition to this offers many other connectivity options like GPIO, two COM ports and USB 3.2 Gen2. Designed and approved for 24/7 continuous operation and an enhanced temperature range up to 60 °C the K3921-N is applicable in many vertical markets.

 

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

 

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Technical data

ProcessorIntel® Core™ i3 Processors & Intel® Processors N-series
ChipsetN1: Intel® Processor N50 (2C/6W) SoC N2: Intel® Processor N97 (4C/12W) SoC N4: Intel® Processor N200 (4C/6W) SoC N6: Intel® Core™ i3-N305 (8C/15W) SoC H7: Intel® Core™ 3 N355 (8C /15W) SoC H3: Intel® Processor N150 (4C /6W) SoC
Main Memory1x DDR5-4800 SODIMM Sockets up to 32 GByte, non-ECC
Graphics ControllerIntel UHD Graphics driven by Intel® Xe with up to 32 execution units (EUs)
Display1x Embedded DP (eDP V1.4b up to 4K resolution2) 1x Dual-Channel 24bit LVDS Following max. display combinations are supported (Simultaneous use of LVDS and eDP is not supported): 2x DPP + 1x DPoC / 2x DPP + LVDS or eDP / 1x DPP + 1x DPoC + eDP or LVDS

Downloads

Datasheet

PDF

Datasheet K3921-N mSTX

1.19 MB | March 26, 2026

Manuals

PDF

General Safety Instruction

628.88 KB | March 26, 2026

Technical Specification

PDF

Motherboard and SMARTCASE™ Tech Specs

8.28 MB | March 26, 2026

Service

PDF

Kontron Services Brochure

8.9 MB | March 26, 2026

White Paper

Modules and Motherboards WP

Accessories

Select accessories here
SMARTCASE™ S501

SMARTCASE™ S501

Chassis Kit Solution for K3921-N & K3921-H mSTX

SMARTCASE™ S502

SMARTCASE™ S502

F5000-J015

Chassis Kit Solution for K4021- U mSTX

AC Adapter

AC Adapter

S26361-F5000-P006

19V / 3.42A, 65W - w/o power cord

COM Cable short w/o bracket

COM Cable short w/o bracket

S26361-F5000-K007

w/o slot bracket, length = 120mm; new 2mm pitch internal connector

WLAN Kit for SMARTCASE™  S511

WLAN Kit for SMARTCASE™ S511

S26361-F5000-W005

left (grey)/right (black) Antenna (incl. cable) to be fitted into mSTX chassis

Wall Mount Bracket for SMARTCASE™ S511

Wall Mount Bracket for SMARTCASE™ S511

S26361-F5000-X001

2x Bracket per chassis incl. screws

VESA mount SMARTCASE™ S5xx

VESA mount SMARTCASE™ S5xx

S26361-F5000-X002

"E-Line bracket"

DC-In Holder for SMARTCASE™ S511

DC-In Holder for SMARTCASE™ S511

S26361-F5000-X003

Holder incl. screws

DP 20P M to HDMI Adapter

DP 20P M to HDMI Adapter

F5000-A007

DP 20P M to HDMI Adapter, up to 4k @ 60 Hz

Slim Active Heatsink mSTX/mITX ADL-N 15W

Slim Active Heatsink mSTX/mITX ADL-N 15W

F5000-C026

Slim Active Heatsink mSTX/mITX ADL-N 15W

Slim passive cooler mSTX ADL-N 10W

Slim passive cooler mSTX ADL-N 10W

F5000-C024

Slim passive cooler mSTX ADL-N 10W

M.2 Dual SATA Module

M.2 Dual SATA Module

F5000-M004

M.2 Dual SATA Module

Customer Portal

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