PCIe to USB 3.0 Expansion Card – 4-Port Self-Powered Adapter
PCIe to USB 3.0 Expansion Card – 4-Port Self-Powered Adapter
PCIe to USB 3.0 Expansion Card – 4-Port Self-Powered Hub Adapter
Instantly add four high-speed USB 3.0 ports to your desktop PC with the OULLX PCIe to USB 3.0 Expansion Card. Powered by the reliable VIA VL805 Q6 chipset, this self-powered add-on card fits any available PCIe slot (1X, 4X, 8X, or 16X) and delivers blazing-fast USB 3.0 transfer speeds — all without requiring an external power supply in most configurations.
Whether you're connecting external drives, peripherals, or front-panel USB headers, this expansion card makes upgrading your desktop's connectivity quick, clean, and hassle-free. Made in Mainland China.
Key Features
- 4 x USB 3.0 Ports – Expand your desktop's USB capacity instantly
- Universal PCIe Compatibility – Fits PCIe 1X, 4X, 8X, and 16X slots
- VIA VL805 Q6 Chipset – Stable, efficient, and widely supported
- USB 3.0 Transfer Speeds – Backward compatible with USB 2.0 and USB 1.1 devices
- USB 3.0 20-Pin Header – Extend front-panel USB ports on your PC chassis
- Self-Powered Design – No separate power connector required for standard use
- Internal Installation – Clean, integrated fit inside your desktop tower
- Plug-and-Play – Easy driver installation for most modern operating systems
Technical Specifications
| Brand | OULLX |
| Chipset | VIA VL805 Q6 |
| Interface | PCI Express (PCIe 1X, 4X, 8X, 16X) |
| USB Ports | 4 x USB 3.0 |
| Additional Header | 1 x USB 3.0 20-Pin Internal Header |
| USB Compatibility | USB 3.0, 2.0, 1.1 |
| Installation Type | Internal (PCIe Slot) |
| Power | Self-Powered |
| Origin | Mainland China |
Perfect For
- Desktop PCs with limited USB ports
- Content creators transferring large files from external drives
- Gamers needing extra ports for peripherals and headsets
- Home office setups with multiple USB accessories
- Expanding front-panel USB 3.0 headers on custom builds
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Frequently Asked Questions
Q: Will this PCIe to USB 3.0 expansion card work in a PCIe 16X slot?
A: Yes! The OULLX PCIe to USB 3.0 expansion card is fully compatible with all standard PCIe slot sizes — including 1X, 4X, 8X, and 16X — so you can install it in whichever available slot your motherboard has.
Q: Does this USB 3.0 expansion card require an external power connector?
A: This card is self-powered, drawing power directly from the PCIe slot in most standard desktop configurations. No separate power cable is required for typical use, making installation straightforward and cable-clutter-free.
Q: Is this USB 3.0 add-on card backward compatible with older USB devices?
A: Absolutely. While the card delivers full USB 3.0 speeds for compatible devices, it is also fully backward compatible with USB 2.0 and USB 1.1 devices, so all your existing peripherals will work seamlessly.
Q: What operating systems are supported by this PCIe USB expansion card?
A: The VIA VL805 Q6 chipset supports most modern operating systems including Windows 10, Windows 11, and Linux. Driver installation is straightforward and many systems detect the card automatically upon boot.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.