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Item#: 9SIA24G28M3989

StarTech 2 Port SuperSpeed USB 3.0 PCI Express Card with SATA Power Model PEXUSB3S22

  • PCI Express to USB Card
  • USB 3.0
  • Up to 5.0 Gbps Data Transfer Rate
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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.

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. Compatible with both Low profile/half-height or Full profile computer cases, this PCIe USB 3.0 card delivers exceptional quality and reliability for years of use.

  • newegg Add USB 3.0 Connectivity to Your PC The StarTech PEXUSB3S22 add-on card instantly adds two USB 3.0 ports to your PCI Express equipped computer for lightning data transfer speed of up to 5Gbps and 80% more power than USB 2.0.
  • newegg Easy Application Dual profile brackets are included for easy use in full height or low profile/small form factor system. An auxiliary SATA power connector ensures maximum, sufficient power for USB devices.

Learn more about the STARTECH PEXUSB3S22




PCI Express to USB Card
External USB Ports
2x USB Ports
Internal Ports
1 x SATA
USB 3.0
Data Transfer Rate
Up to 5.0 Gbps
Operating Systems Supported
Windows XP(32/64-bit)/ Server 2003(32/64-bit)/ Vista(32/64-bit)/ 7(32/64-bit)/ Server 2008 R2

Physical Spec

0.59" x 2.76" x 2.36"
1.52 oz


Provides two external USB 3.0 connections

Fully compliant with USB 3.0 revision 1.0 specifications and Intel xHCI rev0.95 specifications, with transfer rates up to 5 Gbps

Built-in SATA power connector for high-powered USB devices, suitable for systems with limited or no LP4 power supply connections

Provides up to 900mA per USB port

Backward compatible with USB 2.0 and USB 1.0/1.1 devices

Support Control/Bulk/Interrupt/Isochronous USB Transfer modes

Compliant with PCI Express 2.0 specifications

Includes a Low Profile/half-height installation bracket

Chipset ID: NEC D720200

Quick Info


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year

Customer Reviews of the STARTECH PEXUSB3S22

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  • Richard Y.
  • 8/1/2012 8:32:36 PM
  • Tech Level: Somewhat High
  • Ownership: less than 1 day
  • Verified Owner

1 out of 5 eggs

Pros: Install it the first day I received it. My mouse lockup after boot up to install driver. Try on another PCIe connector, had the same result.
I contact Startech tech support, all they said was this is new to them.
I just return it for refund.

Cons: This is a little set back. Will not deter me from buying from Newegg in the future.

Other Thoughts: Probability better just replace the MB with USB 3 capability.

0 out of 2 people found this review helpful. Did you? Yes No

  • rick h.
  • 6/29/2012 5:39:35 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsday 1 working additional

Pros: bench mark

Cons: time trial

Other Thoughts: bench marked:
6.57 GB file
HD: Western Digital Green 2 TB 5400 rpm

USB 2.0 to HD
26 MB/sec transfer rate
time: 4 min 34 sec.

USB 3.0 to HD
84-68 MB/sec transfer rate
time: 1 min 40 sec.

works great!

2 out of 2 people found this review helpful. Did you? Yes No

  • rick h.
  • 6/27/2012 7:57:16 AM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

5 out of 5 eggsday 1, working

Pros: easy to install, software load correctly

Cons: didnt say needed a SATA power cord in specs

Other Thoughts: easy to install, plugged in two 2TB external HD in Thermaltake USB enclosures, recoginzed right away, transferred perfectly. no drops in seeing external HD...
i'll let you know how this works over the long haul

Did you find this review helpful? Yes No

  • jacob b.
  • 12/2/2011 10:11:47 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year

5 out of 5 eggsGreat add-in card

Pros: easy to install

Cons: early drivers were bad, but the latest are solid.

Other Thoughts: renesas drivers are widely available now.
i use this for my mouse and to power my headset in usb 2.0 mode.
my onboard usb ports stay on even with my pc turned off, this turnes off with my pc.

Did you find this review helpful? Yes No

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Item#: 9SIA24G28M3989
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