Startech 4 Port PCI Express USB 3.0 Card
3 External and 1 Internal | Native OS Support in Windows 8 and 7 | Standard and Low-Profile (PEXUSB3S42) | USB adapter | PCIe 2.0 low profile | USB 3.0 x 4 | for P/N: CFASTRWU3, ST1030USBM, ST43004UA, ST4300MINI, TB31PCIEX16
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Main Specification
| Product Description | Startech 4 Port PCI Express USB 3.0 Card - 3 External and 1 Internal - Native OS Support in Windows 8 and 7 - Standard and Low-Profile (PEXUSB3S42) - USB adapter - PCIe 2.0 - USB 3.0 x 4 |
|---|---|
| Device Type | USB adapter |
| Form Factor | Plug-in card - low profile |
| Interface (Bus) Type | PCI Express 2.0 x1 |
| Ports | USB 3.0 x 4 |
| Dimensions (WxDxH) | 1.9 cm x 8.7 cm x 12 cm |
| Weight | 59 g |
| Data Link Protocol | USB, USB 2.0, USB 3.0 |
| Data Transfer Rate | 5 Gbps |
| Processor | VL805 |
| Compliant Standards | USB 1.1, USB 2.0, USB 3.0 |
| System Requirements | Microsoft Windows Server 2008 R2, Microsoft Windows Vista (32/64 bits), Microsoft Windows 7 (32/64 bits), Microsoft Windows XP (32/64 bits), Linux 2.6.31 or later, Microsoft Windows Server 2012, Windows 8 (32/64 bits), Windows 8.1 (32/64 bits), Windows 10 (32/64 bits) |
| Manufacturer Warranty | 2-year warranty |
| Designed For | P/N: CFASTRWU3, ST1030USBM, ST43004UA, ST4300MINI, TB31PCIEX16 |
General
| Device Type | USB adapter |
|---|---|
| Form Factor | Plug-in card - low profile |
| Interface (Bus) Type | PCI Express 2.0 x1 |
Networking
| Ports | USB 3.0 x 4 |
|---|---|
| Connectivity Technology | Wired |
| Data Link Protocol | USB, USB 2.0, SuperSpeed USB 3.0 |
| Data Transfer Rate | 5 Gbps |
| Features | Built-in SATA power connector, UASP |
| Compliant Standards | USB 1.1, USB 2.0, USB 3.0 |
Processor / Memory
| Processor | VL805 |
|---|
Expansion / Connectivity
| Interfaces | 3 x USB 3.0 - 9 pin USB Type A (external) 1 x USB 3.0 - 9 pin USB Type A (internal) 1 - 15 pin Serial ATA power (internal) |
|---|
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 Vista (32/64 bits), Microsoft Windows 7 (32/64 bits), Microsoft Windows XP (32/64 bits), Linux 2.6.31 or later, Microsoft Windows Server 2012, Windows 8 (32/64 bits), Windows 8.1 (32/64 bits), Windows 10 (32/64 bits) |
Dimensions & Weight
| Width | 1.9 cm |
|---|---|
| Depth | 8.7 cm |
| Height | 12 cm |
| Weight | 59 g |
Manufacturer Warranty
| Service & Support | Limited warranty - 2 years |
|---|
Environmental Parameters
| Min Operating Temperature | 5 °C |
|---|---|
| Max Operating Temperature | 50 °C |
| Humidity Range Operating | 20 - 80% |
Compatibility Information
| Designed For | P/N: CFASTRWU3, ST1030USBM, ST43004UA, ST4300MINI, TB31PCIEX16 |
|---|
Product features
Enjoy convenient USB 3.2 Gen 1 port availability
With three external USB 3.2 Gen 1 ports you can connect more devices to your computer. The card provides easy access to commonly-used peripherals such as your tablet and external hard drive. It also features an internal USB port that lets you connect a device such as a flash drive inside your computer case, providing added security and convenience. USB 3.2 Gen 1 gives you fast access to your files with data transfer rates up to 5 Gbps. Plus it's backward compatible with USB 2.0 and 1.x devices, which eliminates the cost and aggravation of upgrading your existing devices.Get up and running quickly
Setup is a breeze with native operating system support. The USB 3.2 Gen 1 adapter card automatically installs in Windows 8.1, 8 and 7. For convenient installation, this PCI Express USB 3.2 Gen 1 card features a dual-profile design that can be installed in almost any type of computer. It comes equipped with a standard profile bracket and also includes a low-profile bracket for installation in small form-factor/half-height systems.UASP support for more efficient data transfers
This high-performance USB 3.2 Gen 1 card is enhanced with UASP support, which can perform ~70% faster read speed and ~40% faster write speed over traditional USB 3.2 Gen 1, when paired with UASP-enabled enclosure. The PEXUSB3S42 is backed by a StarTech.com 2-year warranty and free lifetime technical support. Note : UASP (USB Attached SCSI Protocol) is supported in Windows 8.1, 8, Server 2012 and Linux kernel 2.6.37 or later. 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
- Expands your computer connectivity with four extra USB 3.2 Gen 1 ports (3 external, 1 internal)
- Easy to install with native OS support in Windows 8.1, 8, 7, and Linux kernel 2.6.31 or later
- Fits standard or small form-factor computers, low-profile bracket included
- Data transfer rates up to 5 Gbps plus UASP support
- Backward compatible with USB 2.0 and 1.x devices
- Built-in optional SATA power connector provides up to 900mA per USB port
- PCIe x1 interface, compliant with PCI Express 2.0 specifications
References
MPN: PEXUSB3S42
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04/06/2026 03:41:17