Description
The Kontron K3921-H is an Extended Lifecycle mSTX 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 options with two DisplayPorts 1.4, a DisplayPort via the front USB-Type-C connector, and an onboard embedded DisplayPort, supporting three independent displays with up to 4K resolution. The board includes M.2 slots for both storage and WLAN/Bluetooth modules. Its front USB-Type-C port supports Power Delivery Sink mode, USB 3.2 Gen1, and DisplayPort Alternate Mode, making it a perfect fit for Thin Client applications, especially when paired with the compact SMARTCASE™ S501 chassis. All components are designed and approved for 24/7 continuous operation.
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
- Versatile display connectivity with 2x DisplayPort 1.4 and 1x DisplayPort via USB Type-C
- eDP V1.4b (4K) onboard for embedded displays
- Designed for silent, fanless operation
- Multi-functional USB-C with Power Delivery, USB 3.2 Gen1, and DP Alternate Mode
- Designed and approved for 24/7 continuous operation
Specification
|
Processor |
Intel® Processors N-series |
|
Chipset |
H1: Intel® Processor N100 (4C/6W) SoC |
| H6: 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 24 execution units (EUs) |
|
Display |
1x Embedded DP (eDP V1.4b up to 4K resolution2) |
| Following max. display combinations are supported | |
| 2x DPP + 1x DPoC / 2x DPP + eDP / 1x DPP + 1x DPoC + eDP | |
|
Audio Controller |
Realtek ALC256 |
|
Audio |
Stereo3, High Definition Audio Codec |
|
Ethernet |
Realtek RTL8111H with 10/100/1000 MBit/s |
|
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 |
|
Available I/Os |
– |
|
SATA |
1x Serial ATA III 600 Interface (up to 6GBit/s), NCQ, AHCI |
|
Expansion |
1x M.2 PCIe 2230/2242/2280 (Key-M, PCIe x1 Gen3 + SATA, for NVMe and SATA SSD) |
| 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) | |
| USB-C PowerDelivery (Sink, 20V, max. 100 W) | |
|
BIOS |
AMI Aptio 5.x (UEFI) BIOS |
|
Watchdog |
BIOS POST-/BIOS BOOT-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-50°C |
|
Humidity |
5%-85% |
|
Certifications |
Planned: cTÜVus acc. IEC62368-1, CE Class B, 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:
|
Typical applications:
|
👉 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: Mini-ITX chassis | SMARTCASE™ S730: Mini-ITX chassis | SMARTCASE™ S501: Mini-STX chassis | SMARTCASE™ S502: Mini-STX chassis | SMARTCASE™ S511: Mini-STX chassis |
