StarTech.com 2 Port PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter with UASP - LP4 Power - PCI Express x1 - Plug-in Card - 2 USB Port(s) - 2 USB 3.0 Port(s) PEXUSB3S25 StarTech

Check out the items that will solve your troubles - Electronics, Computer & Photo. The StarTech.com 2 Port PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter with UASP - LP4 Power - PCI Express x1 - Plug-in Card - 2 USB Port(s) - 2 USB 3.0 Port(s) can help eliminate some of the concern off your shoulders. Should you need a solidly designed piece, StarTech.com is the choice for you. Strong commitment to engineering and technology gave high intensity result in this case. Goods that are easy to use, and follow your intuition - Electronics, Computer & Photo section, that offers: StarTech.com - PEXUSB3S44V - StarTech.com 4 Port PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter w/ 4 Dedicated 5Gbps Channels - UASP - SATA/LP4 Power - PCI Express x4 - Plug-in Card - 4 USB Port(s) - 4 USB 3.0 Port(s), or StarTech.com - PCI220USBLP - StarTech.com 3 Port PCI Low Profile High Speed USB 2.0 adapter card - PCI - low profile - Hi-Speed USB - 4 ports - 2 x 4-pin Type A Female USB 2.0 USB External and Vantec Thermal Technologies - UGT-PC345 - Vantec 4-Port SuperSpeed USB 3.0 PCIe Host Card w/ Internal 20-Pin Connector - PCI Express - Plug-in Card - 4 USB Port(s) - 1 SATA Port(s) - 5 eSATA/USB Combo Port(s) - 4 USB 3.0 Port(s).

Add 2 SuperSpeed USB 3.0 ports to your PCI Express-enabled PC. The PEXUSB3S25 2-Port PCI Express USB 3.0 Card lets you add two USB 3.0 ports to your PCI Express-enabled computer system, with an optional LP4 power connector to connect to your system power supply and deliver up to 900mA of power per port to USB 3.0 bus-powered devices (500mA for USB 2.0).

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 is not supported by all operating systems). 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 PCIe USB 3.0 adapter is compliant with USB 3.0 standards for data transfer speeds up to 5 Gbps, while still offering backward compatibility with existing USB 2.0 / 1.1 devices. 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 StarTech.com 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, StarTech.com add-on USB 3.0 cards, a UASP-enabled StarTech.com enclosure, and a SATA III solid state drive.

More from the Manufacturer

• Host Interface: PCI Express x1
• Host Interface: PCI Express x1
• Product Type: USB Adapter
• Product Type: USB Adapter
• Manufacturer Part Number: PEXUSB3S25
• Manufacturer Website Address: http://www.startech.com
• Packaged Quantity: 1
• Platform Supported: PC
• Weight (Approximate): 3.17 oz
• Form Factor: Plug-in Card
• Form Factor: Plug-in Card
• Length: 2.6"
• Manufacturer: StarTech.com
• Product Name: 2 Port PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter with UASP - LP4 Power
• Brand Name: StarTech.com
• Brand Name: StarTech.com
• Height: 4.8"
• Width: 0.7"
• Total Number of USB Ports: 2
• Total Number of USB Ports: 2
• Number of USB 3.0 Ports: 2

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