StarTech.com · PEXUSB312C3

StarTech 2-port 10Gbps USB C PCIe Card Adapter - PEXUSB312C3

PCI Express USB expansion card adding two 10Gbps USB-C ports with data rates up to 10Gbps for compatible desktop and server systems.

Quick answer: Adds two USB-C ports through one PCIe expansion slot, with support for compatible USB storage, peripherals and backward-compatible devices.

Best forDesktop upgrades, high-speed external storage, backup, video-editing and data-recovery workflows that need more USB connectivity.

Check before orderingConfirm a PCIe x4 or larger slot. The USB-C ports are for data and standard USB power only; they do not support DP Alt Mode or USB Power Delivery.

Answers before you buy

Frequently asked questions

What does PEXUSB312C3 do?

Adds two USB-C ports through one PCIe expansion slot, with support for compatible USB storage, peripherals and backward-compatible devices.

Who is this product best for?

Desktop upgrades, high-speed external storage, backup, video-editing and data-recovery workflows that need more USB connectivity.

What should I check before ordering?

Confirm a PCIe x4 or larger slot. The USB-C ports are for data and standard USB power only; they do not support DP Alt Mode or USB Power Delivery.

Does it require drivers or software?

Supports the Windows, Windows Server, macOS and Linux versions listed in the specifications; newer systems may install drivers automatically.

What is included in the package?

PCIe USB card, applicable installation bracket or brackets, and product documentation.

What is the key installation requirement?

Install in a PCIe x4 or larger slot, fit the correct bracket and connect SATA power when optional or required for the intended USB power load.

Is it suitable for an Australian setup?

Yes. DeviceDeal supplies the Australian-market version; always confirm the available ports, power and system compatibility for your installation.

What warranty applies?

PEXUSB312C3 carries a StarTech.com 2 years manufacturer warranty, subject to the manufacturers terms and eligibility requirements.

Planning a broader setup? Browse the DeviceDeal buying guides. View the DeviceDeal product page.

(PEXUSB312C3)

Features & highlights

Why choose PEXUSB312C3?

?two 10Gbps USB-C portsExpands a compatible computer with additional high-speed USB connectivity.

?Up to 10GbpsSupports fast transfers with compatible host systems, cables and devices.

?UASP supportOptimises compatible storage transfers by allowing more efficient command processing.

?Backward-compatible USBWorks with supported earlier-generation USB devices at their negotiated speeds.

?Professional host controllerPurpose-built PCIe architecture supports dependable peripheral and storage access.

?full- and low-profile installationDesigned for the chassis format stated in the specifications.

Compatibility reminder: Confirm a PCIe x4 or larger slot. The USB-C ports are for data and standard USB power only; they do not support DP Alt Mode or USB Power Delivery.

StarTech 2-port 10Gbps USB C PCIe Card Adapter - PEXUSB312C3 product image

Technical specifications

PEXUSB312C3 specifications

Exact-model specifications for compatibility checking.

Warranty Information
Warranty	2 Years
Connector(s)
Host Connector	1 - PCI Express x4
External Ports	2 - USB 3.2 Type-C (24 pin, Gen 2, 10Gbps)
Internal Ports	1 - SATA Power (15 pin)
Hardware
Ports	2
Interface	USB
Bus Type	PCI Express
Card Type	Standard Profile (low-profile bracket included)
Port Style	Integrated on card
Chipset ID	ASMedia ASM3142
Performance
Maximum Data Transfer Rate	10Gbps
UASP Support	Yes
USB Power Output	Up to 15W (5V/3A) available through the USB-C ports
Software
OS Compatibility	Windows 7/8/8.1/10/11; Windows Server; macOS; Linux LTS
Special Notes / Requirements
Display Support	Data only; does not support DisplayPort Alternate Mode
Power Delivery	Does not negotiate USB Power Delivery
What's in the Box
Included	1 - USB PCIe card; 1 - low-profile bracket; 1 - quick-start guide

Sources: supplied product file, DeviceDeal product page and official StarTech.com specifications. Product appearance and specifications may change; confirm critical deployment requirements before ordering.

SKU	PEXUSB312C3
Barcode #	65030887434
Brand	Startech
Shipping Weight	0.1200kg
Shipping Width	0.003m
Shipping Height	0.017m
Shipping Length	0.014m

Manufacturer warranty

2 Years

This Australian-version product is supplied by DeviceDeal and is covered by the official StarTech.com 2 years manufacturer warranty in Australia.

Keep your DeviceDeal tax invoice as proof of purchase.
Coverage is subject to StarTech.com warranty terms, eligibility and product assessment.
Warranty service does not replace rights that may apply under Australian Consumer Law.