StarTech.com PCIe USB 3.0 controller card with two blue USB ports and black circuit board

High-Speed USB 3.0 Expansion with Dual Ports

This PCIe card seamlessly integrates two USB 3.0 ports into your system, delivering lightning-fast 5Gbps data transfer speeds. The card's efficient design combines SATA power delivery with advanced circuitry to ensure stable performance and reliable connectivity for your USB devices. Each port provides up to 900mA power output, perfect for demanding USB peripherals.

Technical Specifications

  • PCIe x1 interface for broad system compatibility
  • Dual USB 3.0 ports with 5Gbps transfer speed
  • SATA power connector for enhanced port stability

Applications

  • Adding high-speed USB ports to workstations
  • Expanding connectivity for data storage devices
  • Upgrading legacy systems with modern USB capabilities
Angled view of StarTech.com USB 3.0 PCIe card showing circuit board components and mounting bracket

Precision-Engineered PCIe Architecture

The angled perspective reveals the card's sophisticated engineering, featuring a robust PCIe interface and premium components. The carefully designed circuit layout optimizes signal integrity while the sturdy mounting bracket ensures secure installation. This architecture delivers consistent performance for demanding professional environments.

Technical Specifications

  • Professional-grade PCB design and components
  • Integrated power management system
  • EMI-compliant architecture

Applications

  • Server room installations
  • Professional workstation builds
  • IT infrastructure upgrades
Front view of StarTech.com PCIe card's dual USB 3.0 ports on silver mounting bracket

Sleek Profile Design for Universal Compatibility

The card's streamlined profile bracket houses dual USB 3.0 ports in a space-efficient design. This thoughtful engineering allows for installation in both standard and compact cases. The durable metal bracket provides sturdy port mounting while maintaining proper airflow within the system.

Technical Specifications

  • Standard and low-profile bracket compatibility
  • Precision-machined port alignment
  • Corrosion-resistant metal construction

Applications

  • Small form factor PC installations
  • Data center server deployment
  • Compact workstation builds
Top view of StarTech.com PCIe USB 3.0 card showing detailed circuit board layout and components

Advanced Circuit Design with SATA Power Integration

The top-down view showcases the card's sophisticated power delivery system and component layout. The integrated SATA power connector ensures stable power delivery to connected devices, while the optimized circuit design maintains signal integrity. High-quality capacitors and voltage regulators provide clean, reliable power to each USB port.

Technical Specifications

  • Premium component selection for reliability
  • Optimized power delivery circuitry
  • Strategic thermal management design

Applications

  • High-performance computing applications
  • Multiple device connectivity solutions
  • Mission-critical system deployments

Product details

General Information
Manufacturer

StarTech.com

Manufacturer Part Number

PEXUSB3S23

Brand Name

StarTech.com

Product Name

2 Port PCI Express PCIe SuperSpeed (5Gbps) USB 3.0 Controller Card w/ SATA Power

Packaged Quantity

1

Product Type

USB Adapter

Technical Information
Host Interface

PCI Express x1

Media & Performance
UASP Support

No

Interfaces/Ports
Total Number of USB Ports

2

Number of USB 3.2 Ports

2

Number of SATA Ports

1

Software
Operating System Supported

Windows Vista
Windows XP
Windows Server 2019
Windows Server 2016
Windows Server 2012
Windows Server 2008 R2
Windows Server 2003
Windows 11
Windows 10
Windows 8.1
Windows 8
Windows 7

Physical Characteristics
Product Color

Black

Form Factor

Plug-in Card

Height

4.7

Width

0.8

Length

3.1

Weight (Approximate)

1.52 oz

Miscellaneous
Package Contents

  • 2 Port PCI Express PCIe SuperSpeed (5Gbps) USB 3.0 Controller Card w/ SATA Power
  • 1 x Low Profile Bracket
  • 1 x Driver CD
  • 1 x Instruction Manual

Additional Information

  • Windows® 10 (32/64), 8 / 8.1 (32/64), 7 (32/64), Vista (32/64), XP (32/64)
  • Windows Server® 2012, 2008 R2, 2003
  • Platform Supported

    PC

    Environmentally Friendly

    Yes

    Environmental Certification

    RoHS
    WEEE
    REACH

    Country of Origin

    China

    Warranty
    Limited Warranty

    2 Year

    Included in the Box

    • icon_list|Main unit|Lift Ergo Mouse Main unit icon

      PCIe Card - Main unit

    FAQs

    What are the main features of the StarTech.com PEXUSB3S23 USB controller card?
    The StarTech.com PEXUSB3S23 is a PCI Express USB 3.2 Gen 1 controller card that features two USB 3.2 Gen 1 ports with data transfer speeds up to 5 Gbps. It requires SATA power and provides 900mA of power per port for USB 3.2 Gen 1 devices (500mA for USB 2.0). The card comes with both standard and low-profile brackets for versatile installation options and maintains backward compatibility with USB 2.0/1.1 devices.
    What operating systems is this USB controller card compatible with?
    The controller card supports a wide range of Windows operating systems including Windows 11, 10, 8.1, 8, 7, Vista, and XP (both 32/64-bit versions). It's also compatible with Windows Server editions including Server 2019, 2016, 2012, 2008 R2, and 2003, making it suitable for both personal and server applications.
    What are the power specifications of the PEXUSB3S23?
    The PEXUSB3S23 requires SATA power connection for operation and delivers 900mA of power per port for USB 3.2 Gen 1 bus-powered devices. When used with USB 2.0 devices, it provides 500mA per port. This power delivery capability ensures stable operation for power-hungry USB devices.
    What are the physical dimensions and installation requirements?
    The card measures 4.7" in height, 0.8" in width, and 3.1" in length, weighing approximately 1.52 oz. It uses a PCI Express x1 interface for installation and includes both standard and low-profile brackets, making it suitable for both regular and small form-factor computers.
    What comes in the package with the StarTech.com PEXUSB3S23?
    The package includes the 2-port PCI Express USB 3.0 controller card, a low-profile bracket for small form-factor systems, a driver CD for software installation, and a comprehensive instruction manual. All components needed for installation are provided in the box.

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