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Item#: N82E16815158411CVF

StarTech 4-port PCI Express USB 3.0 card - 2 external, 2 internal - SATA power Model PEXUSB3S2EI

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  • PCI to 1394 / USB Card
  • USB 3.0
  • Up to 5.0 Gbps Data Transfer Rate

  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

Add front or rear panel USB 3.0 ports to your computer case using USB 3.0 motherboard-style headers. This PCI Express USB 3.0 card offers a cost-effective upgrade that lets you add four USB 3.0 ports to your computer through a PCIe slot. It offers two external ports plus two internal USB 3.0 headers to help adapt your desktop or server to support a variety of USB 3.0 devices.

Flexible and convenient port design

With extra motherboard-style USB 3.0 headers you have the flexibility to add more internal USB 3.0 devices to your PC. When your existing headers are occupied, you can connect front panel hubs or card readers using this versatile alternative to costly motherboard and computer upgrades.

For added convenience, the card integrates two external USB 3.0 ports, so you can plug in more devices such as external hard drives or printers.

Simple installation and supports older devices

The USB 3.0 card is easy to install and requires no additional drivers or software in natively supported Windows® 8.1 / 8 operating systems. Plus, it features a dual profile design that fits in standard or low-profile cases, so you can rest assured it will fit in your small form-factor system if needed.

Connecting older peripherals isn't a problem either. So, there's no need to purchase new devices since the adapter card is backward compatible with your USB 2.0 and 1.x technology.

Effective USB 3.0 performance enhanced by UASP

This high-performance SuperSpeed USB 3.0 card supports data transfer rates up to 5 Gbps and 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 a UASP-enabled enclosure.

The PEXUSB3S2EI is ruggedly built for reliable USB 3.0 device connections and is backed by a 2-year warranty and free lifetime technical support.

Note: UASP (USB Attached SCSI Protocol), is supported in Windows 8, 8.1, Server 2012 and Linux kernel 2.6.37 or later. Test results were obtained using an Intel® Ivy Bridge system, add-on USB 3.0 cards, a UASP-enabled enclosure, and a SATA III solid-state drive.

Learn more about the STARTECH PEXUSB3S2EI




PCI to 1394 / USB Card
External USB Ports
2 port USB 3.0
Internal USB Ports
2x USB Ports
External Ports
2 - USB 3.0 A (9 pin; SuperSpeed) Female
Internal Ports
1 - SATA Power (15 pin) Plug
2 - IDC (20 pin; USB 3.0; Motherboard Header) Receptacle
USB 3.0
Data Transfer Rate
Up to 5.0 Gbps
Operating Systems Supported
Windows® 8 / 8.1 (32/64bit), 7 (32/64), Vista (32/64), XP (32/64)
Windows Server® 2012, 2008 R2
Linux 2.6.31 and up (Tested up to 3.5)
Bus Type: PCI Express
Card Type: Standard Profile (LP bracket incl.)
Chipset ID: Renesas / NEC - µPD720201
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: 9.8 ft [3 m]
Maximum Data Transfer Rate: 5 Gbps
MTBF: 1,920,042 Hours
Type and Rate: USB 3.0 - 5 Gbit/s
UASP Support: Yes


Flexibility to connect external and internal USB 3.0 devices and supports UASP

Fast, hassle-free setup with Windows 8 native support, and fits into standard or low-profile systems

Backward compatibility lets you save money and connect existing USB 2.0 and 1.x devices

Transfer large files at lightning speed, with throughput support up to 5 Gbps

Optional SATA power connector provides up to 900mA per port for high-power USB devices

PCIe x1 interface, compliant with PCI Express 2.0 specifications

Configured with full-profile bracket, half-height bracket included

Dimensions & Weight

4.70" x 0.70" x 3.60"
0.12 lb.


Package Contents
1 - 4 Port PCI Express USB 3.0 Card - 2 Ext 2 Int
1 - Low-Profile Bracket
1 - Driver CD
1 - Instruction Manual
Warranty, Returns, And Additional Information
  • Return Policies
    • Return for refund within: 30 days
    • Return for replacement within: 30 days
  • This item is covered by's Standard Return Policy.
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