User Manual

Quick-Start Guide
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Manual Revision: May 14, 2020 2:21 PM
Product Diagram (PEXUSB311AC3)
Component Function
1 USB-A Port
• Used to connect a USB Peripheral Device to
the USB Card.
2 USB-C Port
• Used to connect a USB Peripheral Device to
the USB Card.
3 Bracket Screws
• Used to Secure the Low Prole or Full Prole
Bracket to the USB Card.
4 PCI Express Connector
• Used to connect the USB Card to the PCI
Express Slot on the Host Computer.
5 SATA Power Connector
• (Optional) Connect a 15 Pin SATA Power
Connector to provide extra power to the USB
Ports.
Requirements
For the latest requirements, please visit www.startech.com/PEXUSB311AC3
• Computer with an available PCI Express® slot (x4, x8, or x16)
• (Optional) SATA Power Source
2-Port USB 3.1 Card - 10Gbps per port - USB-C, USB-A - PCIe
Tools
• Small Phillips Head Screwdriver
Hardware Installation
Warning: USB cards can be damaged by static electricity. Make sure that you are
properly grounded before you open your computer case or touch the USB Card. You
should wear an anti-static strap when you install any computer component. If an anti-
static strap is not available, discharge any built-up static electricity by touching a large
grounded metal surface for several seconds. Only handle the USB Card by its edges
and do not touch the gold connectors.
Installing the Low Prole Bracket
By default the Full Prole Bracket is attached to the USB Card. Depending on your
system conguration you may need to remove the Full Prole Bracket and replace it
with the Low Prole Bracket (included).
1. Using a Small Phillips Head Screwdriver, remove the two Bracket Screws securing
the Full Prole Bracket to the USB Card.
2. Align the Screw Holes on the USB Card with the Screw Holes on the Low Prole
Bracket. Making sure the USB Card is sitting on-top of the Screw Holes on the Low
Prole Bracket.
3. Insert the Bracket Screws through the USB Card and into the Screw Holes on the
Low Prole Bracket.
4. Using the Small Phillips Head Screwdriver, tighten the Bracket Screws, being
careful not to over-tighten.
Installing the USB Card
1. Turn o the Computer and any Peripheral Devices that are connected (e.g.,
printers, external hard drives, etc.).
2. Unplug the Power Cable from the back of the Computer and disconnect any
Peripheral Devices that are connected.
3. Remove the Cover from the Computer Case.
Note: Consult the documentation that came with the Computer for details about
how to do this safely.
4. Locate an open PCI Express Slot (x4, x8, or x16) and remove the corresponding
Metal Cover Plate from the back of the Computer Case.
5. Gently insert the USB Card into the open PCI Express Slot and fasten the Bracket
to the back of the Computer Case.
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