Description
Introducing the LEX SYSTEM 3I140DW is a high-performance 3.5″ single-board computer powered by Intel® 14th Gen Core™ Ultra 7/5 processors (Meteor Lake), designed for demanding industrial and embedded applications. It supports up to 64GB DDR5 RAM via dual SODIMM slots, ensuring smooth multitasking and fast data processing. Equipped with multiple independent display outputs—HDMI, DisplayPort, LVDS, and Type-C DP ALT—the system delivers versatile visual connectivity for digital signage, control panels, or AI-driven applications. Networking is robust with 5 x 2.5 GbE LAN ports, complemented by multiple USB interfaces for peripheral expansion.
The board offers extensive expansion options, including M.2 M Key, 2 x M.2 B Key, PCIe, and Nano SIM support. Industrial-grade I/O is included with 4 x COM ports, 2 x CANBus (4DI/4DO), and audio support, along with enhanced security and system management features such as TPM 2.0, SMBus, I2C, and I2S. Ideal for industrial automation, AIoT, and embedded systems, the LEX 3I140DW delivers a compact, reliable, and versatile computing solution for modern industrial workloads.
Key Features
- Intel® Core™ Ultra 7/5 processors
- 2 x DDR5 SODIMM (Max. 64GB)
- Multiple Independent display:
1 x HDMI®, 1 x DP, 1 x LVDS, 1 x Type C DP ALT - 5 x Intel 2.5 GbE LAN, 3 x USB 3.2 Gen 1×1, 3 x USB 2.0
- 1 x M.2 M Key, 2 x M.2 B Key, 1 x Nano SIM, 1 x PCIe
- 4 x COM, 2 x CANBus 4DI/4DO, Audio
- TPM 2.0, SMBus, I2C, I2S
Specification
| MODEL | 3I140DW |
|---|---|
| CPU | Intel® Core™ Ultra 7/5 Series processors (Meteor Lake-U/H) (Arrow Lake-U/H) |
| Chipset | Intel® Arc™ graphics ; Intel® UHD Graphics |
| System Memory | 2 x DDR5 SODIMM, Max 64GB |
| Storage | 1 x SATA ports 3.0 Data transfer rates up to 6.0 Gb/s (600 MB/s) 1 x M.2 M key Type 2280 (PCIe x4), Support NVMe |
| BIOS | AMI UEFI BIOS |
| Display | 1 x HDMI® ; 1 x DP ; 1 x Type C DP ALT, 1 x LVDS / eDP (eDP for BIOS) |
| TPM | Hardware TPM 2.0 ; OEM Optional to Firmware TPM 2.0 |
| LAN | 5 x Intel 2.5GbE I226-IT (external) |
| Audio | High Definition Audio Specification, Support Line-out / Mic-in / Line-in Two channel Class D Audio Amplifier |
| Expansion Interface | 1 x M.2 M key Type 2280 (PCIe x 4), Support NVMe, (OEM to Type 3042) 1 x M.2 B key Type 3042 (USB 3.2 Gen 1×1 / USB 2.0) (OEM to Type 3052) 1 x M.2 B key Type 3042 (PCIe / USB 2.0) 1 x Nano SIM 1 x PCIe x 1 golden finger with U Serits CPU or 1 x PCIe x 8 golden finger with H Serits CPU |
| Expansion Module | Converter Card:
CN064: M.2 B Keyto M.2 E Key 2230, WiFi 6 + BT |
| USB | 3 x USB 3.2 Gen 1×1 (external), 1 x Type C USB 3.2 1 x USB 2.0 (external) ; 2 x USB 2.0 (internal) |
| Serial IO | 4 x RS232 / 422 / 485 (internal) ; eSPI *COM1~COM4 pin9 5V / 12V (Option) |
| CANBus | 2 x CANBus |
| SMBus / I2C / I2S | 1 x SMBus ; 1 x 12C ; 1 x I2S |
| GPIO | Hardware digital Input & Output, 4 x DI / 4 x DO |
| WDT | Hardware Watch Dog Timer, 0~255 sec programmable |
| Power Input | Wide Range DC IN +9~36V |
| Dimension | 3.5″ Plus (155 x 150 mm) ; Weight: 205g |
| Operation Temperature (100 % CPU Usage) |
-40°C~70°C (under specific environmental & CPU power consumption conditions) |
| Operation Humidity | 5~95%, non-condensing |
| Chassis (OEM I/O Expansion by request) | HAWK |
| OS Support | Windows 10 / 11 (64bit) Linux Ubuntu 22.04 / Kernel 5.15 |
