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Product Datasheet

13 May 2026

Industrial & Embedded Motherboard · 3.5inch-SBC

ECM-WHL

Series: ECM

Manufactured byAvalue
ECM-WHL Front

The Avalue ECM-WHL is a 3.5-inch Single Board Computer designed for industrial and embedded applications. It integrates 8th Gen Intel® Core™ i7/i5/i3 and Celeron® processors, supporting up to 64GB DDR4 2400MHz SO-DIMM memory. Key features include triple display outputs (2 x HDMI 1.4, 1 x LVDS), dual Gigabit Ethernet ports, multiple USB ports (4 x USB 3.1 Gen 2, 2 x USB 2.0), serial interfaces, GPIOs, and expansion options through M.2 Key-B and Key-E slots. With a compact form factor of 146mm x 101mm and support for Windows 10 and Linux operating systems, the ECM-WHL offers a robust solution for space-constrained environments

Key Features

  • Intel® Core™/Celeron® BGA Processor
  • Intel® UHD Graphics 620/610
  • Dual DRAM Socket, Max. Up to 64GB DDR4 2400MHz
  • Triple Display (Dual HDMI, LVDS)
  • Dual Expansion Slot, 2-M.2
  • Dual Gigabit Ethernet
  • DC in +12V

Technical Specifications

System Information

ProcessorIntel® Core™ i7-8665UE Processor (8M Cache, up to 4.40 GHz), Intel® Core™ i5-8365UE Processor (6M Cache, up to 4.10 GHz), Intel® Core™ i3-8145UE Processor (4M Cache, up to 3.90 GHz) Intel® Celeron® Processor 4305UE (2M Cache, 2.00 GHz)
System Memory2 x 260-Pin DDR4 2400Mhz SO-DIMM Socket, Supports Up to 64GB Max.
I/O ChipsetEC iTE IT8528E
Watchdog TimerH/W Reset, 1sec. ~ 65535sec and 1sec. or 1min./step
BIOSAMI BIOS, 256Mbit SPI Flash ROM
H/W Status MonitorMonitoring System Temperature, Voltage and FAN Status with Auto Throttling Control
TPMOnboard TPM 2.0
Board3.5"

Storage

Storage1 x M.2 (Key-B, 2242), 1 x SATA III, Support RAID 0/1

Display

Multiple DisplayTriple Display
Graphic ChipsetIntel® UHD Graphics 620 (i7-8665UE, i5-8365UE, i3-8145UE), Intel® UHD Graphics 610 (4305UE)
Spec. & Resolution2 x HDMI 1.4: Max. resolution 4096 x 2160@24/30Hz, 1 x Dual Channel 18/24-bit LVDS: Max. resolution 1920 x 1200@60Hz
LVDS1 x LVDS: 1920 x 1080 Dual channel 18/24-bits LVDS

Expansion

Expansion1 x M.2 (Key-B, 2242/3042, PCIe, SATA, USB 3.0, USB 2.0, SIM Slot), 1 x M.2 (Key-E, 2230, PCIe, USB2.0, CNVi)

Audio

Audio CodecRealtek ALC888S HD Audio Decoding Controller
Audio InterfaceMic-in, Line-out

Ethernet

LAN Chipset1 x Intel® I210AT, 1 x Intel® I219LM
Ethernet Interface10/100/1000 Base-Tx GbE compatible
LAN Port2 x RJ-45

Power Requirement

Power ModeAT/ATX (Default Setting: AT)

Software Support

OSWindows 10, Linux

Certification

Certification InformationCE, FCC, RoHS Compliant

I/O

USB4 x USB 3.1 (Gen. 2), 2 x USB 2.0
COM Port1 x RS-232
SATA1 x SATA III
DIO1 x 8-bit GPIO
MIO1 x LPC, 1 x SPI, 1 x SMBus, 1 x SIM Card Slot

Mechanical & Environmental

Operating Temp.0°C ~ 60°C (32°F ~ 140°F), with 0.2m/s Air Flow
Storage Temp.-40°C ~ 75°C (-40°F ~ 167°F)
Dimension (L x W)5.7" x 4." (146mm x 101mm)
Weight0.041lbs(0.03kg)
Operating Humidity40°C @ 95% Relative Humidity, Non-condensing
Power RequirementDC in +12V

Ordering Information

Ordering InformationECM-WHL-4305-B2R, 3.5” w/Celeron 4305UE/2-DRAM Socket/2-HDMI/6-USB/2-LAN/2-M.2/TPM2.0/Cooler, ECM-WHL-8145-B2R, 3.5” w/i3-8145UE/2-DRAM Socket/2-HDMI/6-USB/2-LAN/2-M.2/TPM2.0/Cooler, ECM-WHL-8365-B2R, 3.5” w/i5-8365UE /2-DRAM Socket/2-HDMI/6-USB/2-LAN/2-M.2/TPM2.0/Cooler, ECM-WHL-8665-B2R, 3.5” w/i7-8665UE/2-DRAM Socket/2-HDMI/6-USB/2-LAN/2-M.2/TPM2.0/Cooler

Certifications

FCCCertified
CECertified
UKCACertified
RoHSCompliant

Authorised distributor — India

TSL Automation Solutions

Mumbai, India

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For pricing, lead time, and bulk supply enquiries, visit the product page or contact our sales team.

© 2026 TSL Automation Solutions. Specifications subject to change without notice. This datasheet was generated from manufacturer-supplied technical data.