PEXUSB3S42 4-Port PCI Express USB 3.0 Card Part number: V209306
Manufacturer product ID: PEXUSB3S42
UPC Code: UPC65030860321
Box quantity: 80*
Sub-category: USB Hubs
Weight (Kg): 0.14
Warranty period: 24 Months
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Add four USB 3.0 ports – three external ports and one internal port – to your computer

  • Expands your computer connectivity with four extra USB 3.0 ports (3 external, 1 internal)
  • Easy to install with native OS support in Windows 8.1, 8, 7, and Linux kernel 2.6.31 or later
  • Fits standard or small form-factor computers, low-profile bracket included

Here’s a cost-effective solution for adding USB 3.0 connectivity to your computer. This 4-port PCIe USB 3.0 card gives you three external ports and one internal port, for the ultimate connection flexibility.

Enjoy convenient USB 3.0 port availability

With three external USB 3.0 ports you can connect more devices to your computer. The card provides easy access to commonly-used peripherals such as your tablet and external hard drive. It also features an internal USB port that lets you connect a device such as a flash drive inside your computer case, providing added security and convenience.

USB 3.0 gives you fast access to your files with data transfer rates up to 5 Gbps. Plus it's backward compatible with USB 2.0 and 1.x devices, which eliminates the cost and aggravation of upgrading your existing devices.

Get up and running quickly

Setup is a breeze with native operating system support. The USB 3.0 adapter card automatically installs in Windows® 8.1, 8 and 7.

For convenient installation, this PCI Express USB 3.0 card features a dual-profile design that can be installed in almost any type of computer. It comes equipped with a standard profile bracket and also includes a low-profile bracket for installation in small form-factor/half-height systems.

UASP support for more efficient data transfers

This high-performance USB 3.0 card is enhanced with UASP support, which can perform ~70% faster read speed and ~40% faster write speed over traditional USB 3.0, when paired with UASP-enabled enclosure.


  Bus Type PCI Express
  Card Type Standard Profile (LP bracket incl.)
  Chipset ID VIA/VLI - VL805
  Industry Standards USB 3.0 Specification Rev. 1.0
PCI Express Base Specification Rev. 2.0
Intel xHCI Specification Rev. 1.0
  Interface USB 3.0
  Port Style Integrated on Card
  Ports 4
  Maximum Cable Length 3 m [9.8 ft]
  Maximum Data Transfer Rate 5 Gbps
  MTBF 24,000 hours
  Type and Rate USB 3.0 - 5 Gbit/s
  UASP Support Yes
  Connector Type(s) 1 - PCI Express x1 Male
  External Ports 3 - USB Type-A (9 pin) USB 3.0 Female
  Internal Ports 1 - SATA Power (15 pin) Plug
    1 - USB Type-A (9 pin) USB 3.0 Female
  OS Compatibility Windows® XP, Vista, 7, 8, 8.1, 10
Windows Server® 2008 R2, 2012, 2012 R2, 2016
Linux 2.6.31 to 4.11.x LTS Versions only
Special Notes / Requirements
  Note The maximum throughput of this card is limited by the bus interface. If used with PCI Express Gen 1.0 enabled computers, the max throughput is 2.5 Gbps. If used with PCI Express Gen 2.0 enabled computers, the max throughput is 5 Gbps.
  System and Cable Requirements PCI Express enabled computer or server with an available PCI Express x1 slot or higher (x4, x8, x16)
    SATA power connector (recommended, but optional)
  Humidity 20~80% RH
  Operating Temperature 5°C to 50°C (41°F to 122°F)
  Storage Temperature -20°C to 60°C (-4°F to 140°F)
Physical Characteristics
  Product Height 120 mm [4.7 in]
  Product Length 87 mm [3.4 in]
  Product Weight 55 g [1.9 oz]
  Product Width 19 mm [0.7 in]
Packaging Information
  Shipping (Package) Weight 141 g [5 oz]
What's in the Box
  Included in Package 1 - 4 Port PCI Express USB 3.0 Card
    1 - Low-Profile Bracket
    1 - Driver CD
    1 - Instruction Manual 

*Box quantity refers to the number of units contained in this product's outer packaging. It does not refer to the number of products purchased for the quoted unit price unless otherwise stated.

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