STARTECH.COM PEXUSB312C3
USB Adapter - PCI Express 3.0 x4 - Plug-in Card - UASP Support - 2 Total USB
Key facts
- Part number
- PEXUSB312C3
- Brand
- STARTECH.COM
- Category
- Adapters
- Price
- AUD 125.39≈ USD 87.54 RRP
- Availability
- On request — ask for a quote
The STARTECH.COM PEXUSB312C3 is an adapter listed in the Prology Parts Index. RRP AUD 125.39≈ USD 87.54 (Oct 2026). Request a quote for volume pricing, or sell us your used adapters.
Overview
This PCIe USB 3.1 Gen 2 card installs into an available PCI-Express slot in your computer and enables you to upgrade your current system by adding two USB-C™ (10Gbps) ports.
Faster USB Performance
Also known as USB 3.2 Gen 2x1, this USB 3.1 Gen 2 card adds two 10Gbps USB Type-C™ ports to your computer.
Utilizing an ASMedia ASM3142 chipset, this card harnesses the speed of USB 3.1 Gen 2. With higher data throughput support, this USB 3.1 Gen 2 PCIe expansion card is a necessity for external drives and many other USB 3.1 Gen 2 peripherals and includes an optional SATA power connector for high power devices.
The card is backward compatible with USB 3.0 (5Gbps) and USB 2.0 (480mbps) devices. The card works with newer USB-C devices, but can easily support your existing USB-A peripherals using inexpensive USB Type C cables and adapters. See our Accessories Tab for supported options.
Easy Installation
The USB 3.1 card is compatible with Windows®, Linux® and macOS® operating systems. The card includes both standard-profile and low-profile brackets to install in various form-factor PCs and servers.
The Choice of IT Pros Since 1985
- Adds a port to your PC through the PCI Express 3.0 x4 interface
- Can connect up to 2 USB peripherals
Specifications
General
- UASP Support
- Yes
Windows 10
- Host Interface
- PCI Express 3.0 x4
- Total Number of USB Ports
- 2
- Number of USB 3.1 Ports
- 2
- Platform Supported
- PC
Linux
- Weight (Approximate)
- 45.4 g
- Form Factor
- Plug-in Card
- Length
- 121.9 mm
- Height
- 17.8 mm
- Depth
- 78.7 mm
- Product Type
- USB Adapter
Manufacturer Website Address
- Product Name
- 2-Port PCIe USB 3.1 Card - 2x USB-C - USB 3.1 Gen 2 Up to 10Gbps
Price history
- Latest
- AUD 125.39≈ USD 87.54
- Oct 2026
- Lowest recorded
- AUD 125.39≈ USD 87.54
- Highest recorded
- AUD 125.39≈ USD 87.54
- Recorded
- 2026
- 1 price point
AUD 125.39 rrp, recorded
Why buy from Prology
- Tested before dispatchEvery item is checked by our technicians before it ships.
- Warranty includedParts are covered by a Prology warranty – ask us for the terms.
- Fast shippingDispatched from our Australian and US locations.
- Real people, quick repliesQuotes and answers within 1 business day.
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