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StarTech 2 Port PCIe USB 3.0 Card with UASP - PEXUSB3S25
Two-port USB 3.2 Gen 1 PCIe expansion card with UASP, optional LP4 power and dual-profile installation support.
Frequently asked questions
What does PEXUSB3S25 do?
Adds two external USB-A 5Gbps ports through one PCIe x1 slot, with up to 900mA per port when adequate power is available.
Who is this product best for?
Desktop storage, backup and peripheral expansion where two extra USB-A ports are required.
What should I check before ordering?
Confirm a free PCIe x1 or larger slot and chassis bracket height; connect LP4 power when the intended USB load requires it.
Does it require drivers or software?
Supports the operating systems listed in the specifications; install the official StarTech driver when required.
What is included in the package?
PCIe USB card, low-profile bracket, driver media and product documentation.
What is the key installation requirement?
Install in a PCIe x1 or larger slot, fit the correct bracket and connect optional LP4 power for higher device-power demand.
Is it suitable for an Australian setup?
Yes. DeviceDeal supplies the Australian-market version; always confirm the available ports, power and system compatibility for your installation.
What warranty applies?
PEXUSB3S25 carries a StarTech.com 2 years manufacturer warranty, subject to the manufacturers terms and eligibility requirements.
Planning a broader setup? Browse the DeviceDeal buying guides. View the DeviceDeal product page.
(PEXUSB3S25)
Why choose PEXUSB3S25?

PEXUSB3S25 specifications
Exact-model specifications for compatibility checking.
| Warranty Information | |
|---|---|
| Warranty | 2 Years |
| Hardware | |
| Bus Type | PCI Express |
| Card Type | Standard Profile (LP bracket incl.) |
| Chipset ID | Renesas/NEC - µPD720202 |
| Industry Standards | USB 3.0 Specification Rev. 1.0; USB Battery Charging Specification Rev. 1.2; PCI Express Base Specification Rev. 2.0; Intel xHCI Specification Rev. 1.0 |
| Interface | USB 3.0 |
| Port Style | Integrated on Card |
| Ports | 2 |
| Performance | |
| Maximum Cable Length | 9.8 ft [3 m] |
| Maximum Data Transfer Rate | 5 Gbps |
| Type and Rate | USB 3.0 - 5 Gbit/s |
| UASP Support | Yes |
| Connector(s) | |
| Connector Type(s) | 1 - PCI Express x1 Male |
| External Ports | 2 - USB Type-A (9 pin) USB 3.0 Female |
| Internal Ports | 1 - LP4 (4 pin; Large Drive Power) Male |
| Software | |
| OS Compatibility | Windows® Vista, 7, 8, 8.1, 10; Windows Server® 2008 R2, 2012, 2012 R2, 2016, 2019; Linux 2.6.31 to 4.11.x LTS versions only |
| Special Notes / Requirements | |
| Note | Devices that do not comply with the USB Battery Charging Specification may only receive standard USB power. |
| System and Cable Requirements | Available PCI Express slot |
| Environmental | |
| Humidity | 5~85% RH |
| Operating Temperature | 0°C to 50°C (32°F to 122°F) |
| Storage Temperature | -20°C to 60°C (-4°F to 140°F) |
| Physical Characteristics | |
| Product Height | 4.7 in [12 cm] |
| Product Length | 3.2 in [82 mm] |
| Product Width | 0.7 in [18 mm] |
| Weight of Product | 1.8 oz [50 g] |
| Packaging Information | |
| Package Height | 1.2 in [30 mm] |
| Package Length | 6.7 in [17.1 cm] |
| Package Width | 5.6 in [14.3 cm] |
| Shipping (Package) Weight | 5.4 oz [154 g] |
| What's in the Box | |
| Included in Package | 1 - PCIe USB 3.0 Card |
| Additional Items | 1 - low-profile bracket; 1 - driver CD; 1 - instruction manual |
Sources: supplied product file, DeviceDeal product page and official StarTech.com specifications. Product appearance and specifications may change; confirm critical deployment requirements before ordering.
| SKU | PEXUSB3S25 |
| Barcode # | 65030854603 |
| Brand | Startech |
| Shipping Weight | 0.1500kg |
| Shipping Width | 0.100m |
| Shipping Height | 0.050m |
| Shipping Length | 0.070m |
| Shipping Cubic | 0.000350000m3 |
This Australian-version product is supplied by DeviceDeal and is covered by the official StarTech.com 2 years manufacturer warranty in Australia.
- Keep your DeviceDeal tax invoice as proof of purchase.
- Coverage is subject to StarTech.com warranty terms, eligibility and product assessment.
- Warranty service does not replace rights that may apply under Australian Consumer Law.
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