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StarTech.com 4 Port PCI Express PCIe SuperSpeed USB 3.0 Controller Card Adapter with UASP - SATA Power 1 of 2
StarTech.com 4 Port PCI Express PCIe SuperSpeed USB 3.0 Controller Card Adapter with UASP - SATA Power 2 of 2
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Learn more about StarTech.com 4 Port PCI Express PCIe SuperSpeed USB 3.0 Controller Card Adapter with UASP - SATA Power - PCI Express x1 - Plug-in Card - 4 USB Port(s):

Mfg Part#: PEXUSB3S4V
Sku: 242195179
UPC: 065030848961
UPC 14: 00065030848961
Sales Rank: 41111
See more in Sound Cards
 
Add 4 external USB 3.0 ports to a low profile or standard computer, through PCI Express. The PEXUSB3S4V PCI Express USB 3.0 Card (with SATA Power) adds 4 external USB 3.0 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 3.0 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.

The card uses a "stacked" port layout that places the ports one on top of the other, enabling all four USB 3.0 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.

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 PEXUSB3S4V
Tech Features Manufacturer StarTech.com
Tech Features Product Name PCI Express USB 3.0 Card
Tech Features Brand Name StarTech.com
Tech Features Package Contents
  • PCI Express USB 3.0 Card
  • Low Profile Bracket
  • Driver CD
  • Instruction Manual
Tech Features Green Compliant Yes
Tech Features Green Compliance Certificate/Authority RoHS
Tech Features Thickness 700 mil
Tech Features Weight (Approximate) 1.60 oz
Tech Features Form Factor Plug-in Card
Tech Features Height 2.7"
Tech Features Width 3"
Tech Features Host Interface PCI Express x1
Tech Features Limited Warranty 2 Year
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