---
model: Q7B300
lifecycle: active
official_site_status: Available
category: Boards & Modules > System on Module > Qseven
source: https://www.axiomtek.com/products/boards-and-modules/system-on-module/qseven/q7b300
updated: 2026-10-02
---

# Q7B300

Qseven Rev 2.1 Development Baseboard

- Category: Boards & Modules > System on Module > Qseven
- Status: Active

## Key features

- Qseven module evaluation purpose
- 1 Gigabit Ethernet port
- 2 SATA connectors
- 2 RS-232/422/485 & 1 RS-232
- 3 PCIe x1 slots
- 3 USB 3.0, 1 micro USB 2.0 port (optional)
- 1 PCI Express Mini Card slot (PCIe+USB+SMBus)
- 1 SD card slot
- 1 LVDS (or eDP)/DP connector

## Specifications

- **CPU:** On the module
- **Chipset:** On the module
- **System Memory:** On the module
- **BIOS:** On the module
- **COM:**
  - 2 x RS-232/422/485
  - 1 x RS-232 (RX/TX/RTS/CTS)
- **USB:**
  - 3 x USB 3.0
  - 1 x Micro USB 2.0 port (optional)
- **Ethernet:** 1 x 10/100/1000Mbps
- **Display:**
  - 1 x LVDS
  - 1 x eDP connector (switchable to LVDS with jumper setting)
  - 1 x DisplayPort
- **Audio:** MIC-in/Line-out
- **GPIO:** 4-IN & 4-OUT
- **I2C:** 1 x I2C
- **CAN:** N/A
- **SPI:** N/A
- **Storage:** 2 x SATA-600
- **Expansion:**
  - 1 x PCI Express Mini Card slot (SD full-size)
  - 3 x PCIe x1
  - 1 x SD Card slot
- **Others:** 1 x SMBus
- **Battery:** Lithium 3V/220 mAH.
- **Power Requirement:** AT/ATX power
- **Watchdog Timer:** On the module
- **Hardware Monitoring:** Yes
- **Operating Temperature:** -20ºC ~ +70ºC (-40ºF ~ +185ºF)
- **Relative Humidity:** 10% ~ 95% relative humidity, non-condensing
- **Dimensions:** 293.4 x 171.5 mm
- **Board Thickness:** 1.6 mm
- **Certifications:** CE

## Ordering information

- Q7B300 (P/N E399300100) — Qseven Rev 2.1 development board

## Sources

- Official product page: https://www.axiomtek.com/products/boards-and-modules/system-on-module/qseven/q7b300
- Official datasheet (PDF): https://www.axiomtek.com/Download/Spec/q7b300.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._