StarTech.com PEXUSB4DP 4-Port PCI Express Low Profile USB 2.0 Adapter Card - 480 MB/s - Plug-in Card - Includes Full Profile Bracket
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Product Features
Technical Overview
Built around a PCI Express host interface, the PEXUSB4DP delivers consistent USB 2.0 connectivity with backward compatibility for USB 1.0 and 1.1 devices. Each port provides up to 500mA of dedicated power per port, ensuring stable operation for powered peripherals without compromising system resources.
The card's compact dimensions of 3.50" length, 3.10" width, and 0.80" height make it ideal for low-profile computer deployments. With plug-and-play functionality and included driver support, installation requires minimal configuration while delivering immediate connectivity expansion.
Relevant factors for this section include Host Interface, Data Transfer Rate. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
A strong technical summary explains how the product's interfaces, hardware profile, and operating characteristics work together in real deployment. Buyers often need this context to confirm compatibility with existing devices, expected performance in daily use, and whether installation will be straightforward for IT staff or end users.
Key Product Advantages
This USB adapter card excels in environments where physical space constraints limit expansion options. The included full profile bracket provides installation flexibility, allowing the same card to serve both low-profile and standard computer chassis without additional purchases.
Space-Optimized Design
Specifically engineered for small form factor systems, the low-profile form factor ensures compatibility with compact computer cases while maintaining full USB 2.0 functionality.
- Fits low-profile chassis
- Minimal footprint
- Standard PCI Express slot compatibility
Enhanced Connectivity
Four dedicated USB 2.0 ports provide substantial expansion for systems with limited built-in USB connectivity, supporting everything from keyboards and mice to external storage and specialized peripherals.
- 480 MB/s transfer speed
- Backward compatible with USB 1.0/1.1
- Dedicated power per port
Deployment / Use Cases
The PEXUSB4DP serves as an ideal solution for expanding USB connectivity in space-constrained computing environments. Small form factor office workstations benefit from additional USB ports for peripherals without requiring external hubs that consume desk space and separate power connections.
Point-of-sale systems, kiosks, and embedded computing applications gain reliable USB expansion through this low-profile adapter. IT administrators can standardize on a single adapter model for both standard and low-profile deployments thanks to the included full profile bracket, simplifying inventory management and support.
Relevant factors for this section include Host Interface, Data Transfer Rate. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Physical Profile
Measuring 3.50" in length, 3.10" in width, and just 0.80" in height, this adapter card maintains a minimal footprint within computer chassis. The lightweight construction at approximately 1.60 ounces ensures secure mounting without placing excessive stress on PCI Express slots or motherboard connections.
The low-profile design specifically accommodates small form factor cases while the included full profile bracket allows the same card to install in standard computer chassis. This dual-bracket approach provides deployment flexibility across different system configurations.
- Width
- 3.10" (78.74 mm)
- Height
- 0.80" (20.32 mm)
- Weight
- 1.60 oz (45.36 g)
- Length
- 3.50" (88.90 mm)
What's in the Box
Each PEXUSB4DP adapter ships complete with all necessary components for immediate installation and operation.
Highlights
- Adds four USB 2.0 ports to computers with PCI Express slots
- Low-profile design fits small form factor and compact computer chassis
- 480 MB/s transfer speed maintains USB 2.0 High Speed performance
- Backward compatible with USB 1.0 and 1.1 devices
- Provides up to 500mA of power per port for connected devices
- Includes both low-profile and full profile installation brackets
- Plug-and-play compatibility across PC, Mac, and Linux platforms
- TAA compliant for government and educational procurement
- EU RoHS certified for environmental compliance
- Backed by a 2-year limited warranty from StarTech.com
Specifications
| Specifications | |
|---|---|
| Manufacturer | StarTech.com |
| Manufacturer Part Number | PEXUSB4DP |
| Brand Name | StarTech.com |
| Product Name | 4 Port PCI Express Low Profile High Speed USB Card |
| Packaged Quantity | 1 Each |
| Product Type | USB Adapter |
| Technical Information | |
| Host Interface | PCI Express |
| Media & Performance | |
| Data Transfer Rate | 480 MB/s |
| Interfaces/Ports | |
| Total Number of USB Ports | 4 |
| Number of USB 2.0 Ports | 4 |
| Physical Characteristics | |
| Form Factor | Plug-in Card |
| Height | 0.80" (20.32 mm) |
| Width | 3.10" (78.74 mm) |
| Length | 3.50" (88.90 mm) |
| Weight (Approximate) | 1.60 oz (45.36 g) |
| Miscellaneous | |
| Package Contents | 4 Port PCI Express Low Profile High Speed USB Card 1 x Full Profile Bracket 1 x Driver CD 1 x Instruction Manual |
| Platform Supported | PC,Mac,Linux |
| Country of Origin | Taiwan |
| TAA Compliant | Yes |
| Environmentally Friendly | Yes |
| Environmental Certification | EU RoHS |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS) 2,Registration, Evaluation, Authorization and Restriction of Chemicals (REACH),Waste Electrical and Electronic Equipment Directive (WEEE) |
| Warranty | |
| Limited Warranty | 2 Year |
User Manual
FAQ
What types of computers is this USB adapter card compatible with?
The StarTech.com PEXUSB4DP adapter card works with any computer system featuring an available PCI Express slot, including PCs, Macs, and Linux machines. The low-profile design specifically targets small form factor and compact computer chassis, while the included full profile bracket enables installation in standard computer cases as well. Platform support extends across Windows, macOS, and Linux operating systems with plug-and-play functionality.
How many USB ports does this adapter card provide and what is their speed?
This adapter card delivers four external USB 2.0 Type-A ports, all operating at High Speed USB 2.0 specifications with transfer rates up to 480 MB/s. All four ports maintain full USB 2.0 functionality while remaining backward compatible with USB 1.0 and 1.1 devices. Each port can provide up to 500mA of dedicated power to connected peripherals.
What does 'low profile' mean for this USB adapter card?
Low profile refers to the physical dimensions of the adapter card, specifically its reduced height of 0.80 inches (20.32 mm). This compact form factor allows installation in small form factor computer cases and compact chassis where standard expansion cards would not fit. Despite the reduced physical size, the card maintains full USB 2.0 functionality and includes both low-profile and full profile brackets for installation flexibility.
Does this USB adapter require external power or additional drivers?
The adapter draws power directly from the PCI Express slot and does not require external power connections. While plug-and-play functionality works with most modern operating systems, a driver CD is included for systems requiring specific driver installation. The card provides up to 500mA of power per USB port directly through the PCI Express interface without needing separate power cables.
What is included in the package with this USB adapter card?
Each PEXUSB4DP adapter ships with the 4-port PCI Express Low Profile High Speed USB Card, one full profile installation bracket for standard computer cases, one driver CD containing installation software, and a comprehensive instruction manual. The dual-bracket approach ensures compatibility with both low-profile and standard computer chassis using the same adapter card.
What warranty and compliance certifications does this product have?
StarTech.com backs the PEXUSB4DP adapter with a 2-year limited warranty. The product is TAA compliant for government and educational procurement requirements and carries EU RoHS certification for environmental compliance. Additional environmental compliance includes adherence to Restriction of Hazardous Substances (RoHS) 2, Registration, Evaluation, Authorization and Restriction of Chemicals (REACH), and Waste Electrical and Electronic Equipment Directive (WEEE) standards.