Axiomtek AX92321 4-port/8-port USB 3.0 PCI Express Card

Axiomtek AX92321 4-port/8-port USB 3.0 PCI Express Card


  • 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

Customisation Service

We can configure this device for you to your exact specification. So we can provide you with the best possible service, please let us know a little about your project if you need this service.



The Axiomtek AX92321 has two versions – 4-port or 8-port – for users to choose from for various applications. The AX92321 can be configured to support maximum output to supply stable power for various external USB devices. The AX92321 also support power on/off control for each port via software settings. This USB 3.0 PCI Express card is able to operate under a standard operating temperature range of 0°C to 70°C, allowing it to be used in harsh environments for vision and factory automation applications.

Ordering Info

AX92321-4U: 4-port USB 3.0 PCI Express card
AX92321-8U: 8-port USB 3.0 PCI Express card


System Integration

Please ask about how we can configure your solution

Global Operations

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Full Warranty

Industry leading warranties on all solutions as standard

Technical Support

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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 connector5A @ +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, Windows® 10 (32/64bit)
Market Certifications CE/FCC
OS Support Windows 10, Windows 7