StarTech PEXUSB312C3 PCIe USB‑C 2‑port 10Gbps card

Name: PCIe USB-C Expansion Card StarTech PEXUSB312C3
Brand: StarTech
SKU: 3504266
Price: 69.99 EUR
Availability: InStock

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PCIe USB-C Expansion Card StarTech PEXUSB312C3 — 2× USB 3.2 Gen2 (10Gbps), ASMedia ASM3142, Full/Low-profile, 15W per port

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Short description

Two‑port StarTech PEXUSB312C3 PCIe expansion card provides dual USB‑C ports with USB 3.2 Gen2 (10 Gbit/s) speeds using the ASMedia ASM3142 chipset. Fits full‑height and low‑profile slots and supports PCIe host interface. Each port supplies up to 15W. Compatible with Windows, macOS and multiple Windows Server releases. Dimensions: 80×122×18 mm. Red finish.

Available at price 69.99 €: 6 pcs.

Total available for order: 28 pcs.

Warranty: 2 Years

SKU: 3504266

Manufacturer: StarTech

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Cost

1.99 €

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Customer service center

2b. Kengaraga str., Riga, Latvia, LV-1063

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From 4.99 € (Weight: 0.05 kg)

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Product information

Description

The StarTech PEXUSB312C3 is a PCIe expansion card that adds two USB-C ports with USB 3.2 Gen 2 (10 Gbps) performance to a desktop or server. It installs into an available PCI-Express slot and uses the ASMedia ASM3142 chipset to provide higher data throughput and support for modern high-speed USB peripherals. The card includes full-height and low-profile brackets and provides up to 15 W per port for higher-power devices.

Advantages

This PCIe USB-C card delivers dual 10 Gbps USB Type-C ports, backward compatibility with USB 3.2 Gen 1 (5 Gbps) and USB 2.0, and an optional SATA power connector to support power-hungry devices. The ASMedia ASM3142 chipset ensures reliable USB 3.2 Gen 2 transfer rates, and the package contains both standard and low-profile brackets for flexible installation. The card is compatible with Windows, macOS and Linux environments and is covered by a two-year manufacturer warranty.

Suitable for

Adding high-speed external storage (NVMe/SSD enclosures, external drives)
Connecting USB-C peripherals that require 10 Gbps bandwidth (docking stations, audio/video devices)
Upgrading older desktops or small form-factor PCs with USB-C ports
Servers and workstations requiring additional USB-C connectivity

Key specifications

Interface: PCIe (PCI-Express) host connection — Gen3 x4 capable
Ports: 2 × USB Type-C supporting USB 3.2 Gen 2 (10 Gbps)
Chipset: ASMedia ASM3142
Backward compatibility: USB 3.2 Gen 1 (5 Gbps), USB 2.0 (480 Mbps)
Power: up to 15 W per port; optional SATA power connector for high-power devices
Form factor support: full-height and low-profile brackets included
Operating system compatibility: Windows, macOS, Linux
Dimensions: approximately 80 × 122 × 18 mm
Weight: approximately 0.045 kg
Colour: red

How to use

Power off and unplug your computer, then install the card into an available PCI-Express slot and secure it with the bracket screw. If you need to supply additional power to connected devices, attach a SATA power cable to the card's optional SATA power connector. Reassemble the computer and power it on. Install any required drivers for your operating system if they do not load automatically. Connect USB-C devices using appropriate cables or adapters; the ports will operate at USB 3.2 Gen 2 speeds when used with compatible devices.

Usage recommendations

Use quality USB-C cables rated for 10 Gbps to achieve full USB 3.2 Gen 2 performance. For high-power devices, ensure the SATA power connector is connected and that your system power supply can support the additional load. For best compatibility, keep your operating system and chipset drivers up to date.

Specifications

Internal: The product is built in.: Yes
Host interface: Interface that enables a host controller to communicate with a driver.: PCIe
Output interface: The socket (port) where the output connectors are connected.: USB 3.2 Gen 1 (3.1 Gen 1)

All features

Weight & dimensions

Package weight: Weight of the packaged product.: 120 g
Weight: Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.: 0.045 kg
Height: The measurement of the product from head to foot or from base to top.: 18 mm
Depth: The distance from the front to the back of something.: 122 mm
Width: The measurement or extent of something from side to side.: 80 mm

Operational conditions

Operating relative humidity (H-H):: 20 - 80
Storage temperature (T-T): The minimum and maximum temperatures at which the product can be safely stored.: -20 - 85
Operating temperature (T-T): The minimum and maximum temperatures at which the product can be safely operated.: 0 - 70

System requirements

Server operating systems supported:: Windows Server 2019, Windows Server 2016, Windows Server 2012, Windows Server 2008 R2
Linux operating systems supported: 8 RT. Linux (9.4, 9.5), Red Hat Enterprise Linux 5.0 (supported with a pre-built package); SUSE Linux (10.3, 11.0, 11, 11.1, 11.2), Fedora (9, 9.0, 10, 10.0, 11.0, 11, 12, 12.0), Ubuntu (8.04, 8.04.1, 8.04.2, 8.10, 9.04, 9.10, 10.04), Debian (5.0, 5.0.1, 5.0.2, 5.0.3): Yes
Mac operating systems supported: Mac operating systems e.g. OS X can be used with the device.: Mac OS X 10.13 High Sierra, Mac OS X 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 12.0 Monterey, Mac OS X 13.0 Ventura, Mac OS X 11.0 Big Sur
Windows operating systems supported: Windows vesions wich can be used with the device.: Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 7 x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64, Windows 8.1, Windows 8.1 Enterprise, Windows 8.1 Enterprise x64, Windows 7 Enterprise, Windows 8.1 x64, Windows 8.1 Pro x64, Windows 8.1 Pro, Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 Pro, Windows 10 Pro x64, Windows 10 x64, Windows 11, Windows 11 x64, Windows 7, Windows 7 Enterprise x64

Logistics data

Harmonized System (HS) code:: 84733020
Products per master (outer) case:: 60 pc(s)
Master (outer) case height:: 320 mm
Master (outer) case length:: 490 mm
Master (outer) case width:: 380 mm

Packaging data

Package height: The distance from the top to the bottom of the packaging.: 30 mm
Package depth: The distance from the front to the back of the packaging.: 173 mm
Package width: The distance from one side of the packaging to the other.: 142 mm
User guide:: Yes
Mounting brackets included:: Yes

Technical details

Sustainability compliance:: Yes
Compliance certificates: Indicates which regulatory, safety, and environmental standards the product complies with, as verified by recognized authorities or certification bodies.: RoHS, CE

Features

UASP support:: Yes
Data transfer rate (max):: 10 Gbit/s

Design

Product colour: The colour e.g. red, blue, green, black, white.: Red
Internal: The product is built in.: Yes

Ports & interfaces

USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity: Number of USB 3.1 (3.1 Gen 2) ports with Type-C connector. USB 3.1 (3.1 Gen 2) is USB interface version which supports transfer rate up to 10 Gbit/s (SuperSpeed+). USB Type-C connector has symmetrical design architecture and compatible with Thunderbolt 3 interface.: 2
Expansion card standard:: PCIe 3.0
Expansion card form factor:: Full-height / Low-profile
Host interface: Interface that enables a host controller to communicate with a driver.: PCIe
Output interface: The socket (port) where the output connectors are connected.: USB 3.2 Gen 1 (3.1 Gen 1)

Performance

Certification:: CE, FCC, REACH
Chipset: Set of electronic components in an integrated circuit that manages the data flow between the processor, memory and peripherals. It is usually found in the motherboard of a computer. Chipsets are usually designed to work with a specific family of microprocessors. Because it controls communications between the processor and external devices, the chipset plays a crucial role in determining system performance.: ASMedia - ASM3142

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Instructions

mmo_77756785_1608026140_5071_3667.pdf

startech-PEXUSB312C3-3504266.pdf

Description

Instructions

mmo_77756785_1608026140_5071_3667.pdf

startech-PEXUSB312C3-3504266.pdf

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Warehouse	Stock	Delivery to the store	Store Price
WH354	6	09.10.2026 Best delivery	69.99 € Best price
WH94	22	09.10.2026 Best delivery	86.49 €

69.99 €

Stock: 6

Delivery Date: 09.10.2026 Best delivery

Warehouse: WH354

86.49 €

Stock: 22

Delivery Date: 09.10.2026 Best delivery

Warehouse: WH94

Customer reviews

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Customer questions

FAQ

How much does the StarTech PEXUSB312C3 PCIe USB‑C 2‑port 10Gbps card cost, and is it available for purchase?

The price is 69.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 28 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 09.10.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All StarTech products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized StarTech service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: internal, host interface, output interface, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

Where can I download the instructions for StarTech PEXUSB312C3 PCIe USB‑C 2‑port 10Gbps card?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

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PCIe USB-C Expansion Card StarTech PEXUSB312C3 — 2× USB 3.2 Gen2 (10Gbps), ASMedia ASM3142, Full/Low-profile, 15W per port

Short description

Product information

Description

Advantages

Suitable for

Key specifications

How to use

Usage recommendations

Specifications

Weight & dimensions

Operational conditions

System requirements

Logistics data

Packaging data

Technical details

Features

Design

Ports & interfaces

Performance

Instructions

Description

Instructions

Similar products

Product comparison

Customer reviews

Customer questions

How much does the StarTech PEXUSB312C3 PCIe USB‑C 2‑port 10Gbps card cost, and is it available for purchase?

If I order this product today, when will I receive my order?

What payment options are available?

Can this product be purchased for a company (with VAT)?

What is the warranty period?

Can the product be returned after purchase?

Where should I contact for warranty service?

How can I tell if this product suits my needs?

Where can I download the instructions for StarTech PEXUSB312C3 PCIe USB‑C 2‑port 10Gbps card?