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StarTech 4 Port PCIe USB 3.0 Card w/ 2 Channels - PEXUSB3S42V
Four-port USB-A 5Gbps PCIe card with two dedicated channels, up to 10Gbps aggregate bandwidth and charging support.
Frequently asked questions
What does PEXUSB3S42V do?
Adds four external USB-A ports split across two 5Gbps controller channels for up to 10Gbps total throughput.
Who is this product best for?
Multiple external storage devices, capture hardware and peripherals that benefit from more bandwidth than a single-channel card.
What should I check before ordering?
Requires a PCIe x4 or larger slot. Confirm bracket height and connect the supplied SATA-to-LP4 power lead when needed.
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 x4 or larger slot, fit the correct bracket and connect SATA or LP4 supplemental power for demanding devices.
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?
PEXUSB3S42V 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.
(PEXUSB3S42V)
Why choose PEXUSB3S42V?

PEXUSB3S42V 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 (Apple Mode only); 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 | 5Gbps per 2 ports - 10Gbps Total |
| Type and Rate | USB 3.0 - 5 Gbit/s |
| UASP Support | Yes |
| Connector(s) | |
| Connector Type(s) | 1 - PCI Express x4 Male |
| External Ports | 4 - 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 | |
| System and Cable Requirements | Available PCI Express x4 or greater 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 | 6.6 in [16.7 cm] |
| Product Width | 0.6 in [15 mm] |
| Weight of Product | 3.2 oz [90 g] |
| Packaging Information | |
| Package Height | 1.5 in [39 mm] |
| Package Length | 8.2 in [20.9 cm] |
| Package Width | 5.7 in [14.5 cm] |
| Shipping (Package) Weight | 7.1 oz [200 g] |
| What's in the Box | |
| Included in Package | 1 - 4 Port PCIe USB Card |
| Additional Items | 1 - low-profile bracket; 1 - SATA-to-LP4 power adapter; 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 | PEXUSB3S42V |
| Barcode # | 65030854597 |
| Brand | Startech |
| Shipping Weight | 0.2000kg |
| Shipping Width | 0.100m |
| Shipping Height | 0.050m |
| Shipping Length | 0.200m |
| Shipping Cubic | 0.001000000m3 |
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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