STARTECH 

PEXUSB3S4V StarTech.com 4 Port PCI Express PCIe SuperSpeed USB 3.0 Controller Card Adapter with UASP - SATA Power

Mfg Part Number:  PEXUSB3S4V  
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Price: $47.12
Quantity:
In Stock: 202
Last Updated: Jun 18, 2025
No Sales Tax except these states
, PO and Wire.

The PEXUSB3S4V PCI Express USB 3.2 Gen 1 Card (with SATA Power) adds 4 external USB 3.2 Gen 1 ports to any PCI Express-enabled computer system with support for data rates up to 5 Gbps, while remaining backward compatible with USB 2.0 / 1.x devices.
Enhanced with UASP support (USB Attached SCSI Protocol), this USB 3.2 Gen 1 controller performs up to 70% faster than conventional USB 3.2 Gen 1 when paired with a (Note: UASP requires a compatible operating system). Using a more efficient protocol than the traditional USB BOT (Bulk-Only Transport), UASP technology optimizes transfers by allowing multiple commands to be processed simultaneously, significantly increasing transfer speeds for less wait time on data transfers. See our UASP test results below for further details.
The card uses a "stacked" port layout that places the ports one on top of the other, enabling all four USB 3.2 Gen 1 ports to be external facing, while still allowing the card to fit into a small form factor/low profile computer system using the included low profile bracket.
Plus, with a built-in SATA power connector, each USB port can provide up to 900mA of power to devices that draw power from a host bus connection (500mA for USB 2.0) by connecting to your computer power supply.
Backed by a StarTech.com 2-year warranty and free lifetime technical support.
UASP is supported in Windows 8 and Server 2012. In testing UASP performed with up to a 70% faster read / 40% faster write speed over traditional USB 3.2 Gen 1 at peak performance.
At the same peak in testing, UASP also showed up to an 80% reduction in required processor resources.
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.

More from the Manufacturer

More from the Manufacturer

Main Specification
General Information
Manufacturer StarTech.com
Manufacturer Part Number PEXUSB3S4V
Manufacturer Website Address http://www.startech.com
Brand Name StarTech.com
Product Name 4 Port PCI Express PCIe SuperSpeed USB 3.0 Controller Card Adapter with UASP
Packaged Quantity 1 Each
Product Type USB Adapter
Technical Information
Host Interface PCI Express x1
Media & Performance
Data Transfer Rate 5 GB/s
UASP Support Yes
Interfaces/Ports
Total Number of USB Ports 4
Number of USB 3.2 Ports 4
Number of SATA Ports 1
Software
Operating System Supported Windows Server 2008 R2
Operating System Supported Windows 8.1
Operating System Supported Windows 8
Operating System Supported Windows Server 2003
Operating System Supported Windows Server 2016
Operating System Supported Windows XP
Operating System Supported Windows Server 2019
Operating System Supported Windows 11
Operating System Supported Windows 7
Operating System Supported Windows 10
Operating System Supported Windows Server 2012
Operating System Supported Windows Vista
Physical Characteristics
Color Family Green
Product Color Green
Form Factor Plug-in Card
Height 2.7"
Width 0.7"
Length 3"
Weight (Approximate) 2.40 oz
Miscellaneous
Package Contents
  • 4 Port PCI Express PCIe SuperSpeed USB 3.0 Controller Card Adapter with UASP
  • 1 x Low Profile Bracket
  • 1 x Driver CD
  • 1 x Instruction Manual
Additional Information OS Compatibility:
  • Windows® XP, Vista, 7, 8, 8.1, 10
  • Windows Server® 2003, 2008 R2, 2012, 2012 R2, 2016, 2019
Platform Supported PC
Country of Origin Taiwan
TAA Compliant Yes
Environmentally Friendly Yes
Environmental Certification RoHS
Environmental Compliance Waste Electrical and Electronic Equipment Directive (WEEE)
Warranty
Limited Warranty 2 Year
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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