3.5” form factor, Intel® Core™ i3-8145U Processor, DDR4 SO-DIMM, DP, HDMI, LVDS, Dual-LAN, Multiple COM, 12-24V DC


  • Up to 6 COM ports, includes 2 x RS-232/422/485
  • Supports 3 display configuration by multiple interface: DP/HDMI/LVDS
  • Supports I2C, SMBus and GPIO
  • Wide temperature range endurance: -20~60 °C


CPU Intel® Core™ i3-8145U Processor (SoC), 2.1GHz Dual-core, 4MB Cache
Chipset Integrated
Memory 1 x SO-DIMM, max. 16GB, DDR4 2400/2133 MHz, non-ECC, un-buffered memory
Expansion Slots 1 x M.2 Socket 1 with E key, type 2230 for WIFI/BT device                                                                                                            
1 x M.2 Socket 3 with M key, type 2242 (PCIe x2 mode & SATA mode)

1 x Full-Length Mini PCIe slot with an on-board Nano-SIM socket

Storage 1 x SATA 6Gb/s connecter                                                                                                                                                                     
1 x mSATA slot (shared with Mini PCIe)

1 x Micro SD Card slot (on-board)

Display Multi-VGA output support :DP/HDMI/LVDS ports                                                                                                                           
Supports up to 3 displays simultaneous under OS
USB 4 x USB3.1 Gen2 Type-A ports

2 x USB2.0 headers support additional 4 x USB2.0 connectors

Serial Port 6 x COM headers (2 x RS-232/422/485, 4 x RS-232)
Internet Dual RJ45 connectors (1 x Intel® I219V, 1 x Intel® I211AT)
Audio Realtek ALC887-VD2 High Definition Audio CODEC
Internal I/O 1 x Chassis fan header

1 x Chassis intrusion header

1 x Front panel audio header (AAFP) 1 x System panel header

1 x Clear CMOS jumper 1 x SATA power header 1 x LPC Debug header 1 x SMBus header

1 x I2C header

1 x 4-pin power connector

GPIO 1 x 8bit GPIO header
TPM 1 x TPM header
BIOS 128 Mb Flash ROM, UEFI AMI BIOS, PnP, DMI 2.0, WfM 2.0, SM BIOS 3.0, ACPI 6.0, Multi-language BIOS, ASUS EZ

Flash 3, Last Modified Log, ErP

Watch dog timer Yes
Power requirement 12-24V DC input
Operation Temperature -20~60℃
Non-Operation Temperature -40~85℃
Relative Humidity 0%~85%
Operating System Support Windows® 10 (64-bit) / Windows® 10 IoT Enterprise / Linux
Form Factor 3.5”, 146 x 105 mm

Block Diagram

Ordering Information

Model Name Description
C381S-IM-AA 3.5” form factor, 8th Gen Core™ i3-8145U Processor, DDR4 SO-DIMM, DP, HDMI, LVDS, Dual-LAN, Multiple COM, 12-24V DC

Optional Accessories

Part Number Description
14011-03700400 COM Port Cable, 1 Port, 28mm
14013-00260000 SATA cable with SATA power
14011-03740000 Power Button Cable with LED
14011-03750000 USB 2.0 Cable, 2 ports, 70mm

Packing List

Part Number Description
15000- M.2 screw pack
15000- Driver DVD

Technical data

Power / Battery
Serial / Parallel Ports
Audio / LAN
Size / Resolution / Luminance
Viewing Angles
Power Requirement
OS Support
LCD Display
CPU / Chipsets / Graphics
WWAN / Bluetooth
Expansion IPC
Touch Screen