---
model: AX92321
lifecycle: active
official_site_status: Available
category: Boards & Modules > Add-on-Card & Peripheral > PCI Express Card
source: https://www.axiomtek.com/products/boards-and-modules/add-on-card-and-peripheral/pci-express-card/ax92321
updated: 2026-10-02
---

# AX92321

4-port/8-port USB 3.0 PCI Express Card with 4 Independent Host Controllers

- Category: Boards & Modules > Add-on-Card & Peripheral > PCI Express Card
- Status: Active

## Key features

- Four or eight USB 3.0 ports
- Four independent USB 3.0 host controllers
- 900 mA/1500 mA max. per port configurable via jumper settings
- Compliant with USB 3.0 Rev.1.0 and Intel® xHCI Rev.1.0
- PCI Express x4 interface
- Operating temperature from 0˚C to 70°C
- Supports Windows® 7/10
- Supports each port’s power on/off via software settings

## Specifications

- **Bus Type:** PCI Express x4 Gen2
- **Connector:**
  - 4 x USB 3.0 type A connector (AX92321-4U)
  - 8 x USB 3.0 type A connector (AX92321-8U)
- **Power Connector:**
  - 4-pin Molex connector
  - 6-pin ATX power connector
- **Power Requirements:**
  - Power from PCIe slot (total power max. 20W USB power output)
  - 2.1A@ +12V
  - 0.8A @ +3.3V
  - Power from ATX power connector
  - 5A @ +12V or 2.5A @ +24V
  - 0.8A @ +3.3V (from PCIe slot)
  - Power from 4P Molex power connector
  - 5A @ +12V
  - 0.8A @ +3.3V (from PCIe slot)
- **Operating Temperature:** 0°C to +70°C (+32°F to +158°F)
- **Relative Humidity:** 10% to 95% RH, non-condensing
- **Dimensions:** 168 x 107 mm
- **Certifications:** CE
- **Software:** Each port’s power on/off is controlled by software
- **OS:**
  - Windows® 7/10 (32/64-bit)
  - Ubuntu 20.04 LTS

## Ordering information

- AX92321-4U (P/N E392321103) — 4-port USB 3.0 PCIe x4 card
- AX92321-8U (P/N E392321102) — 8-port USB 3.0 PCIe x4 card
- Power cable (P/N 59492320700E) — Power cable 4P3.0/6P4.2, L=100 mm for IPC962/964 riser card power connector

## Sources

- Official product page: https://www.axiomtek.com/products/boards-and-modules/add-on-card-and-peripheral/pci-express-card/ax92321
- Official datasheet (PDF): https://www.axiomtek.com/Download/Spec/ax92321.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._