Startech 2 Port PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter with UASP
LP4 Power | Dual Port USB 3 PCIe Controller (PEXUSB3S25) | USB adapter | PCI Express x1 | USB 3.0 x 2 | for P/N: CFASTRWU3, S251SMU33EP, ST103008U2C, ST53004U1C, ST7300U3M, ST93007U2C, UNI251BMU33
Images for illustration purposes only, actual product may differ
More like this
In this category:
Main Specification
| Product Description | Startech 2 Port PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter with UASP - LP4 Power - Dual Port USB 3 PCIe Controller (PEXUSB3S25) - USB adapter - PCI Express x1 - USB 3.0 x 2 |
|---|---|
| Device Type | USB adapter |
| Form Factor | Plug-in card |
| Interface (Bus) Type | PCI Express x1 |
| Ports | USB 3.0 x 2 |
| Dimensions (WxDxH) | 1.9 cm x 6.7 cm x 12.1 cm |
| Weight | 90 g |
| Data Link Protocol | USB, USB 2.0, USB 3.0 |
| Data Transfer Rate | 5 Gbps |
| Compliant Standards | USB 1.1, USB 2.0, USB 3.0 |
| System Requirements | Microsoft Windows Server 2008 R2, Microsoft Windows Server 2012, Microsoft Windows Server 2012 R2, Microsoft Windows Vista / 7 / 8 / 8.1 / 10, Microsoft Windows Server 2016, Microsoft Windows Server 2019, Linux 2.6.31 - 4.11.x LTS versions only |
| Manufacturer Warranty | 2-year warranty |
| Designed For | P/N: CFASTRWU3, S251SMU33EP, ST103008U2C, ST3300GU3B, ST4300U3C1, ST4300U3C1B, ST4300U3C3, ST53004U1C, ST7300U3M, ST93007U2C, UNI251BMU33, USB3S2ESATA3 |
General
| Device Type | USB adapter |
|---|---|
| Form Factor | Plug-in card |
| Interface (Bus) Type | PCI Express x1 |
Networking
| Ports | USB 3.0 x 2 |
|---|---|
| Connectivity Technology | Wired |
| Data Link Protocol | USB, USB 2.0, SuperSpeed USB 3.0 |
| Data Transfer Rate | 5 Gbps |
| Compliant Standards | USB 1.1, USB 2.0, USB 3.0 |
Expansion / Connectivity
| Interfaces | 2 x USB 3.0 - 9 pin USB Type A (external) |
|---|
Miscellaneous
| Included Accessories | Low-profile bracket |
|---|---|
| Compliant Standards | FCC, RoHS |
Software / System Requirements
| Software Included | Drivers & Utilities |
|---|---|
| OS Required | Microsoft Windows Server 2008 R2, Microsoft Windows Server 2012, Microsoft Windows Server 2012 R2, Microsoft Windows Vista / 7 / 8 / 8.1 / 10, Microsoft Windows Server 2016, Microsoft Windows Server 2019, Linux 2.6.31 - 4.11.x LTS versions only |
Dimensions & Weight
| Width | 1.9 cm |
|---|---|
| Depth | 6.7 cm |
| Height | 12.1 cm |
| Weight | 90 g |
Manufacturer Warranty
| Service & Support | Limited warranty - 2 years |
|---|
Environmental Parameters
| Min Operating Temperature | 0 °C |
|---|---|
| Max Operating Temperature | 50 °C |
| Humidity Range Operating | 5 - 85% |
Compatibility Information
| Designed For | P/N: CFASTRWU3, S251SMU33EP, ST103008U2C, ST3300GU3B, ST4300U3C1, ST4300U3C1B, ST4300U3C3, ST53004U1C, ST7300U3M, ST93007U2C, UNI251BMU33, USB3S2ESATA3 |
|---|
Product features
Improved Performance with UASP
UASP is supported in Windows 8, 8.1, Server 2012 and Linux kernel 2.6.37 or later. In testing UASP performed with up to a 70% faster read / 40% faster write speed over traditional USB 3.2 Gen 1 at peak performance. At the same peak in testing, UASP also showed up to an 80% reduction in required processor resources. Test results were obtained using an Intel Ivy Bridge system, StarTech.com add-on USB 3.2 Gen 1 cards, a UASP-enabled StarTech.com enclosure, and a SATA III solid state drive.Key selling points
- Provides two external USB 3.2 Gen 1 ports with UASP support
- Supports data rates up to 5 Gbps
- Compliant with PCI Express 2.0 specifications
- Optional LP4 power connector provides up to 900mA per USB port
- Supports USB Battery Charging Specification 1.2
- Fully compliant with USB 3.2 Gen 1 rev 1.0 and Intel xHCI rev 1.0 specifications
- Backward compatible with USB 2.0 and USB 1.0/1.1 devices
- Includes a Low-Profile/half-height installation bracket
References
MPN: PEXUSB3S25
Wired Network Adapters Products Recommended
Storage Adapters Products Recommended
USB Hubs Products Recommended
What our Customers think about us!
Page generated at:
22/06/2026 23:40:00