---
model: CEM843
lifecycle: active
official_site_status: Available
category: Boards & Modules > System on Module > COM Express Type 6
source: https://www.axiomtek.com/products/boards-and-modules/system-on-module/com-express-type-6/cem843
updated: 2026-11-08
---

# CEM843

COM Express Type 6 Compact Module with Intel® Atom™ Processor E3845

- Category: Boards & Modules > System on Module > COM Express Type 6
- Status: Active

## Key features

- Intel® Atom™ processor E3845 (Bay Trail)
- 2 DDR3L-1066/1333 SO-DIMM up to 8GB
- Max. up to 6 lanes of PCIe
- 2 SATA-300
- 8 USB 2.0 and 1 USB 3.0
- TPM 1.2 supported

## Specifications

- **CPU:** Intel® Atom™ processor E3845 1.91 GHz onboard
- **Chipset:** SoC integrated
- **System Memory:** 2 x 204-pin SO-DIMM DDR3L-1066/1333, up to 8 GB
- **BIOS:** AMI
- **Serial:** N/A
- **USB:**
  - 8 x USB 2.0
  - 1 x USB 3.0
- **Ethernet:** 1 x 10/100/1000 Mbps (Intel® i210IT)
- **Display:**
  - 1 x VGA
  - 1 x LVDS
  - 1 x DDI (DisplayPort, HDMI, DVI)
- **GPIO:** 4-IN & 4-OUT
- **Audio:** HD link interface to baseboard for Codec
- **Storage:** 2 x SATA-300
- **Expansion:** Max. up to 6 lanes of PCIe
- **Others:**
  - 1 x LPC interface
  - 1 x SPI interface
- **Battery:** N/A
- **Power Input:**
  - ATX: 12V/5VSB
  - AT: 12V
- **Watchdog Timer:** 255 levels, 1~255 sec. or min.
- **Hardware Monitoring:** Yes
- **Operating Temperature:** -40ºC ~ +85ºC (-40ºF ~ +185ºF)
- **Vibration:** N/A
- **Relative Humidity:** 10% ~ 95% relative humidity, non-condensing
- **Dimensions:** 95 x 95 mm
- **Board Thickness:** 2.0 mm
- **Certifications:** CE

## Ordering information

- CEM843PVG-E3845 (P/N E38D843100) — COM Express Type 6 compact module with Intel® Atom™ E3845 1.91 GHz, DDI/VGA/LVDS, GbE LAN, USB 3.0 and TPM
- CEB94011 (P/N E394011100) — ATX form factor Type 6 evaluation baseboard
- CEM841/CEM842/CEM843 Heatspreader (P/N 5078D841100E)
- CEM841/CEM842/CEM843 Heatsink without fan (P/N 5078D842200E)

## Sources

- Official product page: https://www.axiomtek.com/products/boards-and-modules/system-on-module/com-express-type-6/cem843
- Official datasheet (PDF): https://www.axiomtek.com/Download/Spec/cem843.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._