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Sorry, this selection is currently unavailable. 2 Port PCI Express SuperSpeed USB 3.0 Card Adapter with UASP Support 1 of 2 2 Port PCI Express SuperSpeed USB 3.0 Card Adapter with UASP Support 2 of 2
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Product Details:

Mfg Part#: PEXUSB3S2
Sku: 212989708
UPC: 065030837125
UPC 14: 00065030837125
Sales Rank: 46545
See more in USB/FireWire Devices
Add 2 USB 3.0 ports to your desktop computer through a PCI Express expansion slot. The PEXUSB3S2 PCI Express USB 3.0 card lets you add two USB 3.0 ports to your PC through a PCI Express slot.

Featuring a native NEC PCI Express host controller chipset, the USB 3.0 standard supports transfer rates of up to 5Gbps, while still providing backward compatibility for older USB 2.0 (480Mbps) and 1.1 (12Mbps) devices.

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.

In addition to providing a much faster transfer rate the PEXUSB3S2 USB 3.0 card also supplies 900mA of power per USB port, allowing more and more external devices to operate without the need of an additional power source.

Backed by a lifetime 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.
Tech Features Total Number of USB Ports 2
Tech Features Product Type USB Adapter
Tech Features Manufacturer Part Number PEXUSB3S2
Tech Features Manufacturer
Tech Features Product Model PEXUSB3S2
Tech Features Product Name 2-port PCI Express SuperSpeed USB 3.0 Card
Tech Features Brand Name
Tech Features Green Compliant Yes
Tech Features Green Compliance Certificate/Authority RoHS
Tech Features Thickness 750 mil
Tech Features Weight (Approximate) 2.12 oz
Tech Features Form Factor Plug-in Card
Tech Features Height 3"
Tech Features Width 4.8"
Tech Features Host Interface PCI Express
Tech Features Limited Warranty 2 Year
Tech Specs
Tech Specs Ports 2 x Type A Female USB 3.0 - USB External
Tech Specs Product Type USB Adapter
Tech Specs Manufacturer Part Number PEXUSB3S2
Tech Specs Manufacturer Website Address
Tech Specs Manufacturer
Tech Specs Product Name 2-port PCI Express SuperSpeed USB 3.0 Card
Tech Specs Brand Name
Tech Specs Additional Information
  • SuperSpeed USB 3.0 connectivity at up to 5 Gbps and 80% more power than USB 2.0
  • Dual profile design to fit into Full or Low Profile/small form factor (SFF) systems
  • Backed by a lifetime warranty and free lifetime technical support
  • Tech Specs Dimensions 3" Height x 4.76" Width x 0.75" Thickness
    Tech Specs Weight (Approximate) 2.12 oz
    Tech Specs Form Factor Dual-profile Plug-in Card
    Tech Specs Power Source Self-powered
    Tech Specs Host Interface PCI Express
    Tech Specs Data Transfer Rate 5 Gbps USB 3.0 SuperSpeed
    Tech Specs Device Support Up to 127 USB
    Tech Specs Platform Support PC
    Tech Specs Standard Warranty Lifetime
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