You May Also Like 2 Port SuperSpeed USB 3.0 PCI Express Card with UASP - S

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Technical Specifications

  • Description
  • General Information
  • Technical Information
  • Interfaces/Ports
  • Physical Characteristics
  • Miscellaneous 2 Port SuperSpeed USB 3.0 PCI Express Card with UASP - S


Add two USB 3.0 ports to your desktop computer through a PCI Express slot. The PEXUSB3S22 2-Port PCI Express SuperSpeed USB 3.0 Card (with SATA Power) lets you add 2 USB 3.0 ports to any PCI Express-enabled computer system. With SuperSpeed USB 3.0, you can reach data transfer speeds up to 5 Gbps, while still being backward compatible with existing USB 2.0 devices at 480Mbps.

Enhanced with UASP support (USB Attached SCSI Protocol), this USB 3.0 controller performs up to 70% faster than conventional USB 3.0 when paired with a UASP supported enclosure (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.

With a built-in SATA power connector, each USB port can deliver up to 900mA of power to USB 3.0 devices (500mA for USB 2.0), by connecting to your computer power supply. For added versatility, the controller card is equipped with a standard profile bracket and includes a low-profile/half-height bracket for installation in small form-factor computers.

Backed by a 2-year warranty and free lifetime technical support.

Improved Performance with UASP

UASP is supported in Windows® 8, Server 2012 and Linux kernel 2.6.3 or later. In testing UASP performed with up to a 70% faster read / 40% faster write speed over traditional USB 3.0 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, add-on USB 3.0 cards, a UASP-enabled enclosure, and a SATA III solid state drive.

General Information
Manufacturer Part Number PEXUSB3S22
Manufacturer Website Address
Brand Name
Product Name 2 Port SuperSpeed USB 3.0 PCI Express Card with SATA Power
Product Type USB Adapter
Technical Information
Host Interface PCI Express 2.0
Total Number of USB Ports 2
Number of USB 3.0 Ports 2
Physical Characteristics
Form Factor Plug-in Card
Height 2.4"
Width 2.6"
Thickness 870 mil
Weight (Approximate) 1.98 oz
Package Contents
  • 2 Port SuperSpeed USB 3.0 PCI Express Card with SATA Power
  • Low Profile / Half-height Bracket
Platform Supported PC
Green Compliant Yes
Green Compliance Certificate/Authority RoHS

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