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StarTech.com 4 Independent Port PCI Express SuperSpeed USB 3.0 Controller Card Adapter with UASP - SATA Power 1 of 1
$149.00
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Learn more about StarTech.com 4 Independent Port PCI Express SuperSpeed USB 3.0 Controller Card Adapter with UASP - SATA Power - PCI Express x4 - Plug-in Card - 4 USB Port(s):

Mfg Part#: PEXUSB3S400
Sku: 246649598
UPC: 065030849685
UPC 14: 00065030849685
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Add 4 Independent SuperSpeed USB 3.0 ports to your PC through a PCI Express slot. The PEXUSB3S400 PCI Express USB 3.0 Card adds 4 independent external USB 3.0 ports to any PCI Express x4-enabled computer system, with full bandwidth support (up to 5Gbps) per port when connected to USB 3.0 devices.Unlike other USB 3.0 cards, which share the maximum bandwidth between multiple ports, the card offers maximum transfer rates to each device when multiple devices are connected.

Further 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.

This 4-port USB 3.0 card features a stacked port layout, which places the ports one on top of the other, so more ports are able to fit into a smaller space. 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.

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.

Features

Tech Features Total Number of USB Ports 4
Tech Features Product Type USB Adapter
Tech Features Manufacturer Part Number PEXUSB3S400
Tech Features Manufacturer StarTech.com
Tech Features Product Name PCIe USB 3.0 Card
Tech Features Brand Name StarTech.com
Tech Features Package Contents
  • PCIe USB 3.0 Card
  • 1 x Low Profile Bracket
  • 1 x Driver CD
  • 1 x Product Manual
Tech Features Green Compliant Yes
Tech Features Green Compliance Certificate/Authority RoHS
Tech Features Thickness 700 mil
Tech Features Weight (Approximate) 2.60 oz
Tech Features Form Factor Plug-in Card
Tech Features Height 2.4"
Tech Features Width 6.7"
Tech Features Host Interface PCI Express x4
Tech Features Limited Warranty 2 Year
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