---
model: CAPA310
lifecycle: active
official_site_status: Available
category: Boards & Modules > Industrial & Embedded Motherboard > 3.5-inch Embedded Board
source: https://www.axiomtek.com/products/boards-and-modules/industrial-and-embedded-motherboard/3.5-inch-embedded-board/capa310
updated: 2026-10-02
---

# CAPA310

3.5” Embedded SBC with Intel Atom® x5-E3940 Processor, LVDS, HDMI, 2 GbE LAN and Audio

- Category: Boards & Modules > Industrial & Embedded Motherboard > 3.5-inch Embedded Board
- Status: Active

## Key features

- Intel® Atom® x5-E3940 processor
- 1 DDR3L SO-DIMM for up to 8GB of memory
- 2 USB 2.0 and 4 USB 3.0
- 1 PCI Express Mini Card slot

## Specifications

- **CPU:** Intel® Atom® x5-E3940 processor onboard
- **Chipset:** SoC integrated
- **System Memory:** 1 x 204-pin DDR3L-1867 SO-DIMM, up to 8GB
- **BIOS:** AMI
- **COM:** 2 x RS-232/422/485
- **USB:**
  - 2 x USB 2.0
  - 4 x USB 3.0
- **Ethernet:** 2 x 10/100/1000 Mbps (Intel® I210-AT);
- **Display:**
  - 1 x HDMI
  - 1 x LVDS
  - 1 x VGA (optional)
- **Digital I/O:** 8-channel in/out programmed
- **Audio:** MIC-in/Line-in/Line out
- **Storage:**
  - 1 x mSATA
  - 1 x SATA-600
- **Expansion:**
  - 1 x Full-size PCI Express Mini Card slot
  - 1 x USB, 1x PCIe x1, 1x LPC, 1 x SMBus through a ZIO connector
- **Others:**
  - ST ST33HTPH2X32AHD8 with TPM 2.0 compliant (optional)
  - 1 x I2C
- **Battery:** Lithium 3V/220mAH
- **Power Input:**
  - 2 x 2 pin connector
  - +12V to 24 VDC-in
  - AT Auto Power On function supported
- **Power Requirements:**
  - Intel® Atom® x5-E3940 @1.6GHz 8GB DDR3L
  - Max. RMS: +24V @0.8A
- **Watchdog Timer:** 65536 levels, 1 to 65535 sec.
- **Hardware Monitoring:** Yes
- **Operating Temperature:** -40°C to +80°C (-40°F to 185°F)
- **Relative Humidity:** 10% to 95% relative humidity, non-condensing
- **Dimensions:** 146 x 104 mm
- **Board Thickness:** 1.6 mm
- **Certifications:** CE
- **Industrial Chassis:** N/A

## Ordering information

- CAPA310HGGA-E3940-ZIO (P/N E38E310100) — 3.5” embedded SBC with Intel Atom® x5-E3940 processor (1.6 to 1.8 GHz, 2MB Cache, 9.5W), HDMI, LVDS, 2 GbE LAN, audio, ZIO, and heatsink
- CAPA310HGGA-E3940-ZIO w/TPM (P/N E38E310104) — 3.5" embedded SBC with Intel Atom® x5-E3940 processor (1.6 to 1.8 GHz, 2MB Cache, 9.5W), HDMI, LVDS, 2 GbE LAN, audio, TPM2.0, ZIO, and heatsink
- COM port cable DB9-9 x 1-pin, P=1.25 mm, L=250 mm (P/N 59380880250E)
- 2 x USB 2.0 cable with bracket L=180 mm (P/N 594E8422800E)
- AX93A19, SIM card slot board (P/N E393A19100)
- Audio cable with bracket, P=1.25 mm, L=450 mm (P/N 59312260020E)

## Sources

- Official product page: https://www.axiomtek.com/products/boards-and-modules/industrial-and-embedded-motherboard/3.5-inch-embedded-board/capa310
- Official datasheet (PDF): https://www.axiomtek.com/Download/Spec/capa310.pdf

## Sales contact

- TC Lee, Business Development Manager, Axiomtek
- Email: tc.lee@axiomtek.com.tw
- LinkedIn: https://www.linkedin.com/in/t-c-lee/
- WhatsApp: https://wa.me/886955040637

_Maintained by TC Lee, Business Development Manager at Axiomtek. This is not the official Axiomtek website: specifications are mirrored from https://www.axiomtek.com, which is authoritative._