---
model: eBOX671-521-FL
lifecycle: active
official_site_status: Available
category: Systems & Platforms > Embedded Computing > Fanless Embedded System
source: https://www.axiomtek.com/products/systems-and-platforms/embedded-computing/fanless-embedded-system/ebox671-521-fl
updated: 2026-11-01
---

# eBOX671-521-FL

Fanless Embedded System with LGA1151 9th/8th Gen Intel® Core™ i7/i5/i3 & Celeron® Processor, 4-CH PoE, and MXM 3.1 Type A

- Category: Systems & Platforms > Embedded Computing > Fanless Embedded System
- Status: Active

## Key features

- 9th/8th gen Intel® Core™ i7/i5/i3 & Celeron® with Intel® Q370 chipset
- 4-CH PoE (IEEE802.3at compliance)
- Dual swappable 2.5" SATA HDD drive bays with RAID 0 &1
- Supports MXM 3.1 type A graphics module (optional)
- DVI-I, HDMI, and DisplayPort with triple-view supported
- ECC memory supported by optional Intel® C246 (Intel® Core™ i3 & Celeron®)

## Specifications

- **CPU:**
  - LGA1151 9th gen Intel® Core™ i7/i5/i3 & Celeron® processors (35W)
  - LGA1151 8th gen Intel® Core™ i7/i5/i3 & Celeron® processors (35W/65W)
- **Chipset:**
  - Intel® Q370
  - Intel® C246 (optional)
- **System Memory:** 2 x 260-pin DDR4-2666 SO-DIMM, up to 64GB (ECC supported by Intel® C246 PCH)
- **BIOS:** AMI
- **COM:** 2 x RS-232/422/485
- **USB:**
  - 4 x USB 3.1 Gen2
  - 2 x USB 3.1 Gen1
- **Ethernet/PoE:**
  - 2 x 10/100/1000 Mbps (Intel® i210-IT & i219-LM)
  - 4 x Power over Ethernet (IEEE802.3at), up to 60W
- **Display:**
  - 2 x DisplayPort via optional MXM kit
  - 1 x HDMI
  - 1 x DisplayPort
  - 1 x DVI-I
- **Digital I/O:** N/A
- **Audio:** N/A
- **Storage:**
  - 2 x 2.5" HDD drive bay (max. up 9.5 mm height)
  - 1 x mSATA (enabled in BIOS setting)
- **Expansion:**
  - 2 x Full-size PCI Express Mini Card slot (USB + PCIe signal)
  - 2 x SIM slot
  - 1 x MXM3.1 type A connector
- **Others:**
  - 1 x Flexible I/O window (Default : 2 x DB9 half cut bracket)
  - 4 x SMA-type antenna connector
  - TPM 2.0
- **Power:** 24 VDC
- **Watchdog Timer:** 255 levels, 1 to 255 sec.
- **Construction:** Aluminum extrusion and heavy-duty steel, IP40
- **Operating Temperature:**
  - Without MXM module:
  - -40°C to +60°C (-40°F to +140°F) (with W.T. DRAM & SSD, CPU TDP 35W)
  - -40°C to +50°C (-40°F to +122°F) (with W.T. DRAM & SSD, CPU TDP 65W)
  - With MXM module:
  - -40°C to +50°C (-40°F to +122°F) (with W.T. DRAM & SSD & MXM Kit, CPU TDP 35W)
- **Relative Humidity:** 10% to 90%, non-condensing
- **Vibration:** IEC 60068-2-64 (w/ SSD: 3Grms STD, random, 5 - 500 Hz, 1 hr/axis)
- **Shock:** IEC 60068-2-27 (w/ SSD: 50G, half-sine, 11 ms duration)
- **Dimensions (W x D x H):** 280 x 210 x 80.5 mm (11.02" x 8.26" x 3.16")
- **Weight (net/gross):** 4.8 kg (10.58 lb)/5.6 kg (12.34 lb)
- **Certifications:** CE, FCC Class A, UKCA
- **OS Support:** Win 10 IoT, Win 11 IoT, Linux
- **Software Support:** N/A
- **Mounting:**
  - Wall mount kit
  - DIN-rail kit

## Ordering information

- eBOX671-521-FL-DC4PoE (P/N E36K671105) — Fanless embedded system with LGA1151 9th/8th Gen Intel® Core™ i7/i5/i3 or Celeron® processor, Intel® Q370, DVI-I, HDMI, dual HDD, 4 PoE, 2 GbE LAN, 6 USB, 2 COM, and 24 VDC (PoE version, MXM module not supported)
- eBOX671-521-FL-DC6GbE (P/N E36K671106) — Fanless embedded system with LGA1151 9th/8th Gen Intel® Core™ i7/i5/i3 or Celeron® processor, Intel® Q370, DVI-I, HDMI, dual HDD, 6 GbE LAN, 6 USB, 2 COM, and 24 VDC (GbE version, MXM module supported)
- 2.5" SATA HDD — 80GB or above
- 2.5" SATA SSD — 100GB or above
- DDR4 SO-DIMM — 8GB to 32GB
- mSATA — 64GB or above
- Wall mount kit (P/N E29R129104)
- DIN-rail kit (P/N E29R129119)
- Wi-Fi/LTE module
- ACC129-T1000-WT (W.T. NVIDIA RTX™ T1000 MXM module)(M3T1000-PN-A) (P/N E29R129127)
- ACC129-T1000-STD (NVIDIA RTX™ T1000 MXM module)(M3T1000-PN) (P/N E29R129128)
- 24V 120W power adapter (P/N 509000001500)
- 24V 230W power adapter (for MXM/PoE use) (P/N 50906A24000E)
- Power cord
- AX92903 CANbus PCI Express Mini module (P/N E392903102)
- AX92902 LAN PCI Express Mini module (P/N E392902103)
- RS-232 cable, L=200 mm for COM3/4 (P/N 590000048500)
- DIO cable for optional 1 x 8-CH DIO (4-in/4-out) (P/N 592000000100)
- AX92905 Audio PCI Express Mini module (P/N E392905103)
- AX92918 Dual LAN PCI Express Mini module (P/N E392918103)

## Sources

- Official product page: https://www.axiomtek.com/products/systems-and-platforms/embedded-computing/fanless-embedded-system/ebox671-521-fl
- Official datasheet (PDF): https://www.axiomtek.com/Download/Spec/ebox671-521-fl.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._