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StarTech 4 Port USB 3.0 PCI Express Card - PEXUSB3S42
Four-port USB 3.2 Gen 1 PCIe card with three external USB-A ports, one internal USB-A port, UASP and SATA power.
Frequently asked questions
What does PEXUSB3S42 do?
Adds four 5Gbps USB-A portsthree external and one internalthrough a PCIe x1 or larger expansion slot.
Who is this product best for?
Desktop or server builds that need external USB expansion plus an internal port for a front-bay or embedded device.
What should I check before ordering?
Confirm a PCIe x1 or larger slot, SATA power connection, supported OS and the required bracket height.
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, connect SATA power, fit the correct bracket and attach the internal device before closing the chassis.
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?
PEXUSB3S42 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.
(PEXUSB3S42)
Why choose PEXUSB3S42?

PEXUSB3S42 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 | VIA/VLI - VL805 |
| Industry Standards | USB 3.0 Specification Rev. 1.0; PCI Express Base Specification Rev. 2.0; Intel xHCI Specification Rev. 1.0 |
| Interface | USB 3.0 |
| Port Style | Integrated on Card |
| Ports | 4 |
| Performance | |
| Maximum Cable Length | 9.8 ft [3 m] |
| Maximum Data Transfer Rate | 5 Gbps |
| MTBF | 24,000 hours |
| Type and Rate | USB 3.0 - 5 Gbit/s |
| UASP Support | Yes |
| Connector(s) | |
| Connector Type(s) | 1 - PCI Express x1 Male |
| External Ports | 3 - USB Type-A (9 pin) USB 3.0 Female |
| Internal Ports | 1 - SATA Power (15 pin) Plug |
| Additional Internal Port | 1 - USB Type-A (9 pin) USB 3.0 Female |
| Software | |
| OS Compatibility | Windows® XP, 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 | The maximum throughput of this card is limited by the bus interface. If used with PCI Express Gen 1.0 enabled computers, the max throughput is 2.5 Gbps. If used with PCI Express Gen 2.0 enabled computers, the max throughput is 5 Gbps. |
| System and Cable Requirements | PCI Express enabled computer or server with an available PCI Express x1 slot or higher (x4, x8, x16) |
| Environmental | |
| Humidity | 20~80% RH |
| Operating Temperature | 5°C to 50°C (41°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 | 3.4 in [87 mm] |
| Product Width | 0.7 in [19 mm] |
| Weight of Product | 1.9 oz [55 g] |
| Packaging Information | |
| Package Height | 1.2 in [30 mm] |
| Package Length | 5.7 in [14.4 cm] |
| Package Width | 6.7 in [17.1 cm] |
| Shipping (Package) Weight | 5 oz [141 g] |
| What's in the Box | |
| Included in Package | 1 - 4 Port PCI Express 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 | PEXUSB3S42 |
| Barcode # | 65030860321 |
| Brand | Startech |
| Shipping Weight | 0.1400kg |
| Shipping Width | 0.100m |
| Shipping Height | 0.050m |
| Shipping Length | 0.160m |
| Shipping Cubic | 0.000800000m3 |
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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