DFI MTH556: Intel® Core™ Ultra Processor 3.5-inch SBC
Brand: DFI
Processor: Intel® Core™ Ultra Processors
Form Factor: 3.5-inch Single Board Computer (SBC)
Compliance: FC, CE, RoHS
Product Overview
The DFI MTH556 is a high-performance 3.5-inch Single Board Computer (SBC) designed for demanding industrial applications. It features Intel® Core™ Ultra Processors, offering advanced computing power and integrated graphics. The SBC supports up to 96GB of DDR5 memory and provides a comprehensive set of I/O interfaces for versatile connectivity.
Key Features
-
DDR5 Memory Support
Equipped with two 262-pin DDR5-5600 SO-DIMM slots, supporting up to 96GB of memory.
-
4K High Resolution
Supports resolutions up to 4K/2K, suitable for high-definition visual outputs.
-
Triple Display Capability
Offers flexible display configurations via 1 HDMI 1.4b port, 1 LVDS connector (dual channel, up to 1920x1200@60Hz), and 1 USB-C port with DisplayPort Alternate Mode (up to 4096x2304@60Hz).
-
Multiple Expansion Options
Provides extensive expansion capabilities with one M.2 M Key 2280 slot (PCIe Gen4 x4), one M.2 B Key 3052 slot (supporting USB 3.0/2.0, PCIe x1, SATA), and one M.2 E Key 2230 slot (supporting USB 2.0/PCIe x1). It also includes a SIM slot for 4G/5G connectivity.
-
Rich I/O Connectivity
Features dual 2.5GbE LAN ports (RJ-45), four COM ports (2x RS-232/422/485, 2x RS-232), three USB 3.2 ports, and one USB Type-C port.
Visual Descriptions
Board Views
Bottom View: The bottom view of the MTH556 SBC shows the arrangement of key connectors and components. Prominent features include the CPU area, two DDR5 SO-DIMM slots, various M.2 slots (M Key, B Key, E Key), a SIM slot for cellular connectivity, I2C interface, System Fan header, DC-in power connector, USB 2.0 ports, HDMI output, LVDS connector, DIO header, COM ports (COM1-COM4), and Audio/SPI interfaces.
Top View: The top view highlights the central Intel® Core™ Ultra Processor, the two DDR5-5600 SO-DIMM slots, an M.2 M Key slot, and the System Fan connector. Other visible interfaces include I2C and the overall layout of the board's components.
Block Diagram
The block diagram illustrates the MTH556's architecture, centered around the Intel® Meteor Lake-U processor (available in 6P+8E or 2P+8E core configurations) with a TDP of 28W or 15W. Key interfaces connected to the processor include: Memory: Two DDR5 SO-DIMM slots (5600 MT/s). Display: HDMI 1.4b, LVDS, and USB-C DP Alt. Mode. Expansion: PCIe x4 (for M.2 M Key), PCIe x1/SATA 3.0 (for M.2 B Key), PCIe x1 (for M.2 E Key), and a Nano-SIM slot. Networking: Two 2.5G LAN ports (Intel I226V/I226LM). I/O: USB 3.2 (Type-A), USB Type-C, SMBus, I2C, SPI, and front panel audio (HDA CM9825). Other controllers include a PD Controller (IT8856), SPI ROM, TPM 2.0, and Super I/O (IT8786) for COM ports and DIO.
Mechanical Drawing
The mechanical drawing provides dimensional details for the MTH556 SBC. It is a 3.5-inch form factor board measuring 146mm (length) by 102mm (width), with a PCB thickness of 1.6mm. The drawing indicates the precise placement and dimensions of various connectors, ports, and mounting holes, aiding in system integration and enclosure design.
Specifications
| Category | Details |
|---|---|
| SYSTEM | |
| Processor | Intel® Core™ Ultra 7/5 Processors, TDP up to 28W. Specific models include: Intel® Core™ Ultra 7 165H (16C, 24M Cache, 1.4GHz base, 5.0GHz boost), Intel® Core™ Ultra 5 135H (14C, 18M Cache, 1.7GHz base, 4.6GHz boost), Intel® Core™ Ultra 7 155U (12C, 12M Cache, 1.7GHz base, 4.8GHz boost), Intel® Core™ Ultra 5 125U (12C, 12M Cache, 1.3GHz base, 4.3GHz boost). |
| Memory | Two 262-Pin DDR5-5600 SO-DIMM slots, supporting up to 96GB. |
| BIOS | AMI SPI 256Mbit. |
| GRAPHICS | |
| Controller | 165H/135H: Intel® Arc™ Graphics. 155U/125U: Intel® Graphics. Supports OpenGL 4.6, Direct X 12.1, OpenCL 3.0. Features HW Decode/Encode for HEVC, VP9, AV1, AVC. |
| Display | HDMI: resolution up to 4096x2160@24Hz. LVDS: dual channel 24-bit, resolution up to 1920x1200@60Hz. USB-C DP Alt. Mode: resolution up to 4096x2304@60Hz. |
| Triple Display | Supports HDMI + LVDS + USB-C DP Alt. mode configurations. |
| Interface | 1 x HDMI 1.4b, 1 x LVDS, 1 x USB-C DP Alt. mode. |
| EXPANSION | |
| M.2 | 1 x M.2 M key 2280 (PCIe Gen4 x4), 1 x M.2 B key 3052 (USB 3.0/2.0, PCIe x1, SATA), 1 x SIM slot for 4G/5G, 1 x M.2 E key 2230 (USB 2.0/PCIe x1). |
| ETHERNET | |
| Controller | 2 x Intel® I226V (10/100/1000/2500Mbps). |
| FRONT I/O | 2 x 2.5GbE (RJ-45). |
| USB | 3 x USB 3.2, 1 x USB Type C. |
| Display | 1 x HDMI, 1 x USB-C DP Alt. Mode. |
| INTERNAL I/O | |
| Serial | 2 x RS-232/422/485, 2 x RS-232 (1.0mm pitch). |
| USB | 1 x USB 2.0 (1.0mm pitch). |
| DIO | 1 x 8-bit DIO. |
| Audio | 1 x Audio (Line_out/Mic_in). |
| Fan | 1 x Smart FAN connector. |
| WATCHDOG TIMER | System Reset, Programmable via Software from 1 to 255 Seconds. |
| SECURITY | TPM 2.0. |
| POWER | Type: 9~36V DC. Connector: Right Angle Connector (ATX 4-pin). Vertical connector available upon request. |
| OS SUPPORT | Microsoft Windows 11 & 10 IoT Enterprise 64-bit, Linux. |
| ENVIRONMENT | Temperature: Operating -5 to 65°C, Storage -40 to 85°C. Humidity: Operating 5 to 90% RH, Storage 5 to 90% RH. |
| MECHANISM | MTBF: TBD. Dimensions: 3.5" SBC Form Factor, 146mm (5.75") x 102mm (4.02"). PCB Height: 1.6mm. |
| STANDARDS AND CERTIFICATIONS | Certifications: CE, FCC Class B, RoHS. |
Ordering Information
| Model Name | Part Number | Processor | Display | RJ45 | Serial | USB 3.2 | Power | Temp. |
|---|---|---|---|---|---|---|---|---|
| MTH556-BN-165H | 770-MTH5561-000G | Intel® Core™ Ultra 7 165H, 16 cores, 28W | -5~65°C | |||||
| MTH556-BN-135H | 770-MTH5561-100G | Intel® Core™ Ultra 5 135H, 14 cores, 28W | HDMI + LVDS + USB-C DP | 2 | 4 | 3 | 9~36 VDC | -5~65°C |
| MTH556-EN-155U | 770-MTH5561-200G | Intel® Core™ Ultra 7 155U, 12 cores, 15W | -20~70°C | |||||
| MTH556-EN-125U | 770-MTH5561-300G | Intel® Core™ Ultra 5 125U, 12 cores, 15W | -20~70°C |
Packing List & Optional Items
Packing List:
- 1 x MTH556 board
- Cooler (Part Number: A71-108309-000G)
Optional Items:
- Heat spreader (TBD)
