---
model: CEM846
lifecycle: active
official_site_status: Available
category: Boards & Modules > System on Module > COM Express Type 10
source: https://www.axiomtek.com/products/boards-and-modules/system-on-module/com-express-type-10/cem846
updated: 2026-11-08
---

# CEM846

COM Express Type 10 Mini Module with Intel® Atom™ E3800 Family

- Category: Boards & Modules > System on Module > COM Express Type 10
- Status: Active

## Key features

- Intel® Atom™ processor (Bay Trail)
- Onboard DDR3L up to 4GB
- Max. up to 4 lanes of PCIe
- 2 SATA-300
- 8 USB 2.0 and 1 USB 3.0

## Specifications

- **CPU:** Intel® Atom® processor E3845 1.91 GHz quad-core, Atom® E3827 1.75 GHz dual-core, or Atom® E3815 1.46 GHz single core onboard
- **Chipset:** SoC integrated
- **System Memory:** Onboard extended temperature DDR3L, up to 4 GB
- **BIOS:** AMI
- **Serial:** 2 x Serial TX/RX
- **USB:**
  - 8 x USB 2.0
  - 1 x USB 3.0
- **Ethernet:** 1 x 10/100/1000 Mbps (Intel® i210IT)
- **Display:**
  - 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:** 4 x PCIe x1 devices (3 x 1 while internal LAN is connected)
- **Others:** 1 x LPC interface
- **Battery:** N/A
- **Power Input:**
  - DC input: 4.75V - 20V
  - ATX 4.75V~20V/+5VSB
- **Watchdog Timer:** 255 levels, 1 to 255 sec. or min.
- **Hardware Monitoring:** Yes
- **Operating Temperature:** -40ºC to +85ºC (-40ºF to +185ºF)
- **Vibration:** N/A
- **Relative Humidity:** 10% to 95% relative humidity, non-condensing
- **Dimensions:** 84 x 55 mm
- **Board Thickness:** 2.0 mm
- **Certifications:** CE

## Ordering information

- CEM846PG-E3845-4G (P/N E38D846105) — COM Express Type 10 mini module with Intel® Atom® E3845, 4GB, DDI/LVDS, GbE LAN and USB 3.0
- CEM846PG-E3827-4G (P/N E38D846104) — COM Express Type 10 mini module with Intel® Atom® E3827, 4GB, DDI/LVDS, GbE LAN and USB 3.0
- CEM846PG-E3815-2G (P/N E38D846103) — COM Express Type 10 mini module with Intel® Atom® E3815, 2GB, DDI/LVDS, GbE LAN and USB 3.0
- CEB94017 (P/N E394017102) — OM Express Type 10 evaluation baseboard rev. B.x with PCI Express, 2.S GbE LAN, HDMI/DisplayPort, and multiple I/O features
- CEM840 heat spreader (P/N 5078D840100E)
- CEM840 heat sink with fan (P/N 5078D840200E)
- CEM840 heat sink without fan (P/N 5078D840300E)

## Sources

- Official product page: https://www.axiomtek.com/products/boards-and-modules/system-on-module/com-express-type-10/cem846
- Official datasheet (PDF): https://www.axiomtek.com/Download/Spec/cem846.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._