Description
PCIe Expansion Card
StarTech.com PEXUSB3S44V 4-Port USB 3.0 PCIe Card – 4 Dedicated 5Gbps Channels
4 independent 5Gbps channels
Enhanced USB 3.0 performance
SuperSpeed USB 3.2 Gen 1
900mA per port with SATA/LP4
USB BC 1.2 for Apple devices
Windows, Linux, Server OS
🏆 Quadruple Your USB Bandwidth
Unlike traditional single-bus USB cards that share bandwidth, each port on the PEXUSB3S44V operates on its own dedicated 5Gbps channel – delivering true simultaneous high-speed transfers across all four ports!
Technical Specifications
| Interface | PCI Express 2.0 x4 (compatible with x8/x16 slots) |
| USB Ports | 4x USB 3.0 Type-A (USB 3.2 Gen 1 / 5Gbps) |
| Total Bandwidth | 20 Gbps (4 x 5Gbps dedicated channels) |
| UASP Support | Yes – Up to 70% faster read speeds |
| Power Delivery | 900mA per USB 3.0 port / 500mA for USB 2.0 |
| Power Connector | Optional SATA or LP4 (Molex) power input |
| Chipset | 4x Independent Renesas µPD720202 controllers |
| Compatibility | Backward compatible with USB 2.0/1.1 devices |
| Dimensions | 120mm x 167mm x 15mm |
Operating System Compatibility:
Windows:
- Windows 11/10/8.1/8/7/Vista
- Windows Server 2019/2016/2012/2008 R2
Linux:
- Kernel 2.6.31 to 4.4.x LTS
- UASP support in 2.6.37+
Ideal For:
⚡ UASP Performance Advantage
Installation Features
Includes standard and low-profile brackets
Plug-and-play installation
No driver installation required (Windows 8+)
Hot-swappable USB connections
📦 What’s Included:
- 1x PEXUSB3S44V 4-Port USB 3.0 PCIe Card
- 1x Low-Profile/Half-Height Bracket
- 1x Driver CD (for older OS versions)
- 1x Instruction Manual
Why Choose the PEXUSB3S44V?
Maximum Performance
4 independent channels eliminate bottlenecks
Power When Needed
Support for high-power USB devices
Future-Proof
USB 3.2 Gen 1 with backward compatibility
Upgrade Your PC with True USB 3.0 Performance
Add 4 high-speed USB 3.0 ports with dedicated bandwidth to your desktop today
✓ Fast Shipping in Canada
✓ 2-Year Manufacturer Warranty
✓ Lifetime Technical Support
About the StarTech.com PEXUSB3S44V: This professional-grade USB 3.0 PCIe expansion card is the perfect solution for users who need multiple high-speed USB connections without compromising performance. Whether you’re a content creator working with large video files, an IT professional managing multiple external drives, or a power user who demands the best performance from their peripherals, the PEXUSB3S44V delivers unmatched USB expansion capabilities. With four truly independent USB channels, UASP support for enhanced performance, and the ability to power demanding USB devices, this PCIe to USB adapter card transforms any compatible desktop computer into a high-performance USB hub. Compatible with all major operating systems and backed by StarTech’s industry-leading warranty and support, the PEXUSB3S44V is the ultimate USB 3.0 expansion solution for professional and enthusiast users alike.
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