Kontron K3921-N Intel Core i3-N305 Processors Mini-STX Motherboard

  • Product Name: Kontron K3921-N
  • Motherboard Form Factor: Mini-STX (mSTX)
  • CPU: Intel Core i3 or Intel Processor N-Series (Alder Lake N, Twin Lake)
  • RAM: DDR5
  • Expansion: Two M.2 connectors (Storage and Wi-Fi)
  • Other features: Designed for fanless operation, supports three independent displays, LVDS support, 24/7 operation.

Description

The Kontron K3921-N mSTX is an industrial motherboard based on the latest Intel® Core™ i3 and Intel® Processor series (Alder Lake N, Twin Lake), featuring powerful UHD Gen12 graphics with Intel® Xe architecture. It offers extensive display connectivity with two DisplayPorts, a DisplayPort via front USB-Type-C, plus onboard connectors for eDP and LVDS, supporting three independent displays up to 4K resolution. Equipped with two M.2 connectors and a variety of I/O including GPIO, COM ports, and USB 3.2 Gen2, the K3921-N is designed for fanless, 24/7 continuous operation in an enhanced temperature range up to 60°C, making it ideal for a wide range of vertical markets.

Key Features

  • 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
  • Flexible display options with 2x DisplayPort 1.4 and 1x DisplayPort via USB Type-C
  • Onboard support for Dual Channel LVDS (24 Bit) and eDP V1.4b (4K)
  • Designed for silent, fanless operation
  • Dual M.2 for storage and Wi-Fi modules
  • Approved for 24/7 continuous operation up to 60°C

Specification

Processor

Intel® Core™ i3 Processors & Intel® Processors N-series

Chipset

N1: 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 Memory

1x DDR5-4800 SODIMM Sockets up to 32 GByte, non-ECC

Graphics Controller

Intel UHD Graphics driven by Intel® Xe with up to 32 execution units (EUs)

Display

1x 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

Audio Controller

Realtek ALC256

Audio

Stereo3, High Definition Audio Codec

Ethernet

Realtek RTL8111H with 10/100/1000 MBit/s, Teaming support
Realtek RTL8125BG-CG with 10/100/1000/2500 MBit/s, TSN Support

USB

3x USB 2.0 (by headers)
2x USB 3.2 Gen1 (Rear), 1x USB 3.2 Gen1 (Front), 1x USB 3.2 Gen1 Type-C (Front)
2x USB 3.2 Gen2 (Rear)

Serial

1x RS232/422/485; 1x RS232

Available I/Os

8 Bit GPIO (by header); WLAN LED support, WLAN enable/disable support

SATA

1x Serial ATA III 600 Interface (up to 6GBit/s), NCQ, AHCI

Expansion

1x M.2 PCIe 2230/2242/2280 (Key-M, PCIe x2 Gen3/NVMe SSD modules)
1x M.2 PCIe 2230 (Key-E, WLAN PCIe and CNVi support/Bluetooth USB modules)

Power connector

External/Internal DC-In (DC Jack/4-Pin Micro-Fit)

Input Voltage

DC Input 12V or 19-28V, max. 5A/65W (external DC-In),
max. 10A/100W (internal DC-In)

BIOS

AMI Aptio 5.x (UEFI) BIOS

Watchdog

BIOS POST-/BIOS BOOT-/OS-HW Watchdog

Real Time Clock

integrated

Cooling

1x PWM fan (CPU/System)

Operating System

MS Windows 10, MS Windows 11, MS Windows 10 IoT, Linux-64
No legacy OS support, no MBR installation (UEFI only)

Mechanical Dimensions

Mini-STX: 5.5“ x 5.8“ (140 x 148 mm)

Operating Temperature

0°C-60°C

Humidity

5%-85%

Certifications

Planned: cTÜVus acc. IEC62368-1, CE Class B incl. Industrial Immunity, UKCA, FCC-B verified

Kontron SMARTCASE Family

Alongside our Kontron industrial motherboard portfolio, we offer the compact and stylish SMARTCASE™ chassis range. Designed for demanding environments such as industrial and digital signage applications, SMARTCASE™ solutions are CE and FCC Class B certified for EMC compliance. This modular IPC chassis family is compact, flexible, and thermally approved for operation up to 45°C, supporting both horizontal and vertical installation.

Key features include:

  • Compact, modular, and flexible IPC chassis design
  • CE and FCC Class B EMC compliance
  • Operating temperature support up to 45°C
  • Integrated 2.5” HDD/SSD bay with cooling
  • Expansion options including graphics cards and Bluetooth/Wi-Fi

Typical applications:

  • Digital Signage
  • Gambling
  • Vending, POS, ATM, kiosks, and ticketing systems
  • Industrial automation

👉 This is a selection of Kontron SMARTCASE’s. To find the right SMARTCASE™ solution for your application, speak to our sales team for expert advice and configuration options. If an off-the-shelf chassis does not fully meet your requirements, BVM can also design and develop a custom enclosure tailored to your application, environment, and performance needs.

smartcase s720 smartcase s730 smartcase s501 smartcase s502 smartcase s511
SMARTCASE™ S720: Mini-ITX chassis SMARTCASE™ S730: Mini-ITX chassis SMARTCASE™ S501: Mini-STX chassis SMARTCASE™ S502: Mini-STX chassis SMARTCASE™ S511: Mini-STX chassis

BVM Customisation Service

Design | Develop | Test | Manufacture

If you cant find an off the shelf product that meets your specific requirements speak with our in house design team who can customize an existing product or design a new product from start to finish. With extensive industrial and embedded computing experience, we deliver reliable, high-performance solutions tailored to your requirements.

 

Here’s a selection of our design, manufacturing & associated services: –

Design to Order Banner

Design to Order: OEM/ODM Embedded Product Design Services

For customers designing a new product or working with an existing prototype.

Build to Order Banner

Build to Order: Computer Design and Customisation Services​

Take an existing system and we can:

Build to Order: Racks and Towers, Peli Case PCs and Mini-ITX PCs

Embedded Software Banner

Embedded Software: Configuration, Integration and Deployment

Porting, Integration & Deployment

 

ALL OUR DESIGN AND MANUFACTURING SERVICES INCLUDE:

Testing

Testing

Lifecycle

Materials Management

Logistics

Logistics and Tracking

Manufacturing

External Manufacturing

• Burn in Test
• Temp / Thermal Testing
• Environmental Testing
• Safety Testing
• Software Compatibility Test
• Vendor Selection and Component Procurement
• Product Traceability
• Obsolescence, End of Life and Last Time Procurement Management
• Simple to use on-line RMA System
• Traceability of Shipments
• Product Labelling
• OEM/Branded Packaging
• System Branding
• Custom Labels
• Surface Mount: – High Speed Placement
• Conventional Through Hole Insertion & Assembly
• Automated Optical Inspection
• Bespoke PCB Test

 

Click here to find out more.