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This combination PCI Express controller card lets you add both a USB 3.1 Gen 2 port and an eSATA port to your desktop PC, through a single PCIe slot. The versatile controller card offers a cost-effective way to add high-performance connectivity to your computer, with support for newer USB 3.1 devices as well as eSATA hard drives.

Fast transfers over USB 3.1 Gen 2

At up to 10Gbps, the USB 3.1 PCIe card delivers the speed you need for seamless performance from your compatible devices. ItÕs also backward compatible with previous versions of USB, so you can connect your existing USB 3.0 / 2.0 / 1.1 equipment.

Connect to eSATA devices

The controller card also connects your computer to an eSATA device, providing a hot-pluggable, high-speed storage solution for backing up or archiving data. With support for SATA I, II and III hard drives, and data transfer speeds of up to 6Gbps, the controller card offers reliable performance for your external SATA storage applications.

Versatile installation options

For added versatility, the controller card is equipped with a standard-profile bracket and includes a low-profile bracket for installation in small form-factor computers.

The PEXUSB311A1E is backed by a 2-year warranty and free lifetime technical support.


  • Upgrade an older PCIe equipped system to USB 3.1 Gen 2 compatibility
  • Expand your system or maintain support for eSATA-based external drive storage


Warranty Information
Warranty 2 Years
Bus Type PCI Express
Card Type Standard Profile (LP bracket incl.)
Chipset ID ASMedia - ASM2142
ASMedia - ASM1351
Interface USB 3.1 Gen 2 & eSATA
Port Style Integrated on Card
Ports 2
ATAPI Support No
Maximum Data Transfer Rate USB 3.1 10Gbps
eSATA 6Gbps
Port Multiplier No
Type and Rate USB 3.1 Gen 2 - 10 Gbit/s
UASP Support Yes
Connector Type(s) 1 - PCI Express x4 Male
External Ports 1 - eSATA (7 pin, Data) Plug
1 - USB 3.1 USB Type-A (9 pin, Gen 2, 10 Gbps) Female
OS Compatibility Windows¨ 7, 8, 8.1, 10
Windows Server¨ 2012, 2016, 2019
Linux¨ 3.5 to 4.4 (LTS versions only)
Special Notes / Requirements
System and Cable Requirements Available PCI Express slot
Humidity 15~90% RH, Non-condensing
Operating Temperature +5¡C to +50¡C (+41¡F to +122¡F)
Storage Temperature -25¡C to +70¡C (-13¡F to 158¡F)
Physical Characteristics
Color Red
Product Height 3.9 in [10 cm]
Product Length 3.7 in [93 mm]
Product Width 3.1 in [80 mm]
Weight of Product 1.6 oz [46 g]
Packaging Information
Package Height 1.2 in [30 mm]
Package Length 5.6 in [14.2 cm]
Package Width 6.7 in [17 cm]
Shipping (Package) Weight 4.3 oz [122 g]
What's in the Box
Included in Package 1 - controller card
1 - low-profile bracket
1 - quick-start guide
Barcode # 65030875059
Brand Startech
Shipping Weight 0.1200kg
Shipping Width 0.100m
Shipping Height 0.050m
Shipping Length 0.170m
Shipping Cubic 0.000850000m3

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StarTech 2-Port USB 3.1 (10Gbps) and eSATA PCIe Card - 1x USB-A and 1x eSATA PEXUSB311A1E

Model # PEXUSB311A1E


In Stock

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