StarTech.com
StarTech.com P5Q4A-USB-CARD Interface Card
Boost your system's connectivity with the StarTech.com P5Q4A-USB-CARD, a high-performance PCI Express interface card. It adds four independent USB Type-A ports, each with its own controller for maximum 5Gbps throughput, perfect for large file transfers and multimedia tasks. The horizontal port design helps with case clearance, and each port supports fast charging up to 10W via Battery Charging 1.2. Drivers are auto-installed for Windows 8+, macOS, and Linux, ensuring broad compatibility with Intel, AMD, and Apple Silicon platforms.
$123.44
Owner Satisfaction
3.9
/ 5
Category Rank
1038
/ 1160
#1038 in Computer Interface Cards & Adapters
Price vs Category Average
-78%
Below average
Host Interface Type
PCI Express
/ PCI Express
Who it's for
- High-Speed Upgrade
- Versatile Port Layout
- Reliable StarTech Build
Who should skip it
- Auxiliary Power Dependency
- Bandwidth Sharing Risk
- Potential Driver Complexity
Key Specs
Host Interface Type
PCI Express
Connector Type
USB Type-A
Number of Ports
4
Data Transfer Rate
5Gbps
Maximum Data Transfer Rate
5.0 Gbps
Power Output
Up to 5V 2A (10W) per port (Battery Charging 1.2)
Operating System Support
Windows 8 and later, macOS, and Linux
Model Number
P5Q4A-USB-CARD
Features
- Adds four independent USB Type-A ports
- Dedicated controller for maximum throughput
- Horizontal ports reduce case clearance issues
- High-power charging support per port
- Broad compatibility across major OS platforms
- Up to 5Gbps bandwidth per port
What customers say
Customers generally appreciate this interface card for its robust build quality and its effectiveness in adding necessary USB ports, especially for legacy systems. The physical product is considered high quality and a cost-effective solution when it works as expected. However, the overall experience is polarized by software integration. While many standard Windows users report a smooth, reliable plug-and-play setup delivering expected speeds, others face significant frustration. Integrating the card into specialized or older operating systems often requires difficult driver hunting and troubleshooting, leading to connection drops. Success heavily relies on system compatibility and user technical skill.
Still have a question?
Ask Hayley anything about this product before you decide.
Ready to buy?
$123