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Item#: N82E16812400546

StarTech PEXUSB3S44V 4 Port Quad Bus PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter with UASP - SATA/LP4 Power

  • Provides four external, quad bus USB 3.0 Ports
  • Supports up to 20 Gbps total transfer bandwidth - Up to 5 Gbps per port
  • UASP support across all four ports
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Learn more about the STARTECH PEXUSB3S44V

Model

Brand
StarTech
Model
PEXUSB3S44V

Spec

Type
PCI Express
Specifications
Industry Standards:
- USB 3.0 Specification Rev. 1.0
- USB Battery Charging Specification Rev. 1.2 (Apple Mode only)
- PCI Express Base Specification Rev. 2.0
- Intel xHCI Specification Rev. 1.0

Interface: USB 3.0

Connector Type(s): 1 - PCI Express x4 Male

External Ports: 4 - USB 3.0 A (9 pin; SuperSpeed) Female

Internal Ports:
- 1 - LP4 (4 pin; Molex Large Drive Power) Female
- 1 - SATA Power (15 pin) Plug

Physical Spec

Dimensions
0.59" x 2.17" x 6.57" (W x H x L)
Weight
0.13lb

Features

Features
Add 4 SuperSpeed USB 3.0 ports with Quad Bus architecture (5Gbps per port) to your PCI Express-enabled PC

Provides four external, quad bus USB 3.0 Ports

Supports up to 20 Gbps total transfer bandwidth - Up to 5 Gbps per port

UASP support across all four ports

PCIe x4 interface compliant with PCI Express 2.0 specifications

Optional LP4 or SATA power connector provides up to 900mA per USB port

Supports USB Battery Charging Specification 1.2 (Apple Mode only)

Fully compliant with USB 3.0 rev 1.0 and Intel xHCI rev 1.0 specifications

Backward compatible with USB 2.0 and USB 1.0/1.1 devices

Includes a Low Profile/half-height installation bracket

Hot-swap feature to connect/disconnect devices without powering down the system

Add four USB 3.0 ports with four independent channels LP/SATA power & charging support to your PC through a PCI Express slot

Compatible with HP Pro 3500 / Lenovo ThinkCentre M93p

4 Port PCIe USB 3.0 Card w/ 4 Dedicated 5Gbps Channels / USB 3.0 UASP Card

PCIe USB 3.0 Controller

4 Independent Port USB 3.0 Expansion Card w/ UASP / SATA Powered USB 3.0 Adapter Card w/ up to 20 Gbps total bandwidth

USB 3.0 PCIe Card w/ USB Battery Charging Specification 1.2 (Apple Mode device charging only)

Quick Info

Warranty

  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years


Customer Reviews of the STARTECH PEXUSB3S44V

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Showing 4 of 4 reviews - Clear Filters

  • Guy-Paul V.
  • 2/17/2015 6:45:00 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year

5 out of 5 eggsVery good, but follow these instructions

This review is from: StarTech PEXUSB3S44V 4 Port Quad Bus PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter with UASP - SATA/LP4 Power - Retail

Pros: Perfect , but follow these instructions

Cons: For which works perfectly, I had to write a Startech
The USB port disable after computer goes into sleep or suspend mode

Other Thoughts: This issue may be related to Windows shutting off power to the USB ports when the computer goes into sleep or suspend mode, then failing to properly restore power to the ports when the computer comes out of these modes.


First, let's try disabling power management for the USB ports to which the drives are connected. These instructions assume you’re using Windows 8.1, but I’ll include some alternative steps for Windows 7 as well. If you are using a different OS, please let me know so I can clarify.

1. Right-click on the "Start" button at the lower left corner of the screen. Click "Device Manager". (Click Start, Run, type devmgmt.msc and hit Enter in Windows 7)
2. Click on the icon to the left of "Universal Serial Bus Controllers." Right-click on the first "USB Root Hub" icon, and click on "Properties" in the menu that appears.
3. Click on the tab labeled "Power Management." Click on the box next to "Allow the Computer to Turn off This Device to Save Power" so that no check mark appears in it, then click on the "OK" button at the bottom of the window.
4. Right-click on each of the other "USB Root Hub" icons, and follow the same steps to change the power save settings.

Next, we should also disable Selective Suspend for USB in the Power Options applet in the Control Panel. To do so:

1. Right-click on the "Start" button at the lower left corner of the screen. Select "Control Panel" to open a new window. (Click Start and Control Panel for Windows 7)
2. Double-click on the icon labelled "Power Options".
2. Under the selected power plan, click Change Plan Settings.
3. Click Change Advanced Power Settings.
4. In the Power Options dialog box, expand USB Settings, and then expand USB Selective Suspend Setting.
6. Change the Selective Suspend options to "Disabled", then click OK.


support@startech.com

1 out of 1 people found this review helpful. Did you? Yes No

  • Anastasios P.
  • 7/8/2014 2:04:00 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsNot Windows 8.x compatible

This review is from: StarTech PEXUSB3S44V 4 Port Quad Bus PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter with UASP - SATA/LP4 Power - Retail

Pros: The only card I could find that could stream all four USB 3.0 SS ports simultaneously.

Cons: Although the web site says it is Windows 8 compatible, the drivers do not exist. This is the third time I've called and I'm getting excuses about how MS changed 8.1. The fact is the card was sold as Win8 compatible and StarTech is not updating drivers. From the release notes, it looks like the last driver update was two years ago.

Other Thoughts: This would be a great card if they can ever release a driver for it.

1 out of 1 people found this review helpful. Did you? Yes No

  • Lawrence G.
  • 5/28/2014 1:02:53 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

2 out of 5 eggsFollow-up Review to Earlier Review

This review is from: StarTech PEXUSB3S44V 4 Port Quad Bus PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter with UASP - SATA/LP4 Power - Retail

Pros: It worked fine for 3 days.

Cons: And then after a re-boot it would no longer start. I contacted StarTech technical support, and after waiting over 30 minutes for a technician, I was told that they believed the board was defective & should be returned.

Other Thoughts: I am returning the board through StarTech because they pay for shipping both ways. They estimate that I will have the replacement in 2-3 weeks.

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

  • Lawrence G.
  • 5/23/2014 6:02:07 PM
  • Tech Level: Somewhat High
  • Ownership: less than 1 day
  • Verified Owner

4 out of 5 eggsBad Bracket Design

This review is from: StarTech PEXUSB3S44V 4 Port Quad Bus PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter with UASP - SATA/LP4 Power - Retail

Pros: The card provides 4 USB 3.0 channels, one for each port. So instead of having the ports share channels, each port has its own 5Gbps channel for maximum bandwidth per port.

Thoughtfully accepts both LP4 and SATA power connections.

Excellent lifetime technical support from StarTech. I called tech support about the card before my purchase to make sure that I understood the differences between this card and the PEXUSB3S42V card (this card has 4 channels, the other has only 2), and the technician I spoke with was very knowledgeable and helpful.

Cons: Unfortunately the USB slots on the card are flush with the bracket, making it impossible to plug into them without modification to the back of most PC chassis. If they had been made to protrude past the typical chassis' expansion card framework, or if they were rotated 90 degrees, that would be better. As it was I had to take a pair of wire cutters and open up the back of my chassis so that my USB cables could plug into the card when it was in place.

In my situation the card was a bit of a bear to install, Right below a big graphics card. It was hard to seat properly in the PCI Express slot and took a bit of fiddling and 5 reboots before the card was detected by my OS.

Other Thoughts: I went to the StarTech website (http://www.startech.com/Cards-Adapters/USB-3.0/Cards/PCI-Express-USB-3-Card-4-Dedicated-Channels-4-Port~PEXUSB3S44V) to download and install the latest drivers in advance of the installation. Once I got past getting the card detected, Windows recognized it, applied the drivers and all was well.

I have purchased several StarTech products (SATA card, SATA dock, SATA HDD enclosures) and all have worked flawlessly. I just wish they had spent a little more time testing the installation of this card and then engineering a fix to the problem of actually being able to plug into it.

3 out of 3 people found this review helpful. Did you? Yes No

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Item#: N82E16812400546
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