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

**URL:** https://aio.lv/en/product--startech-pexusb312c3--3504266
**Data updated:** 2026-01-30 13:36 (EET)
**Category:** I/O Adapters & Controllers
**Manufacturer:** StarTech
**Manufacturer code:** PEXUSB312C3
**EAN:** 0065030887434
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 84.49 €
**Prices and availability valid until:** 2026-07-06 23:59
**Price without VAT (21%):** 69.83 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--startech-pexusb312c3--3504266

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary 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.

## Long 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

### Operational conditions

| Feature | Value |
|---|---|
| Operating relative humidity (H-H) | 20 - 80 |
| Storage temperature (T-T) | -20 - 85 |
| Operating temperature (T-T) | 0 - 70 |

### Technical details

| Feature | Value |
|---|---|
| Sustainability compliance | Yes |
| Compliance certificates | CE, RoHS |

### Ports & interfaces

| Feature | Value |
|---|---|
| Host interface | PCIe |
| Output interface | USB 3.2 Gen 1 (3.1 Gen 1) |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 2 |
| Expansion card standard | PCIe 3.0 |
| Expansion card form factor | Full-height / Low-profile |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.045 kg |
| Package weight | 120 g |
| Height | 18 mm |
| Width | 80 mm |
| Depth | 122 mm |

### System requirements

| Feature | Value |
|---|---|
| Windows operating systems supported | Windows 8.1, Windows 8.1 Pro, Windows 8 x64, Windows 8 Pro x64, Windows 8 Pro, Windows 8 Enterprise x64, Windows 8 Enterprise, Windows 8, Windows 7 x64, Windows 7 Ultimate x64, Windows 7 Ultimate, Windows 7 Starter x64, Windows 7 Starter, Windows 7 Professional x64, Windows 8.1 Enterprise, Windows 8.1 Enterprise x64, Windows 8.1 Pro x64, Windows 8.1 x64, Windows 7 Home Premium x64, 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, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Professional |
| Mac operating systems supported | Mac OS X 10.13 High Sierra, Mac OS X 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 11.0 Big Sur, Mac OS X 12.0 Monterey, Mac OS X 13.0 Ventura |
| Linux operating systems supported | Y |
| Server operating systems supported | Windows Server 2012, Windows Server 2008 R2, Windows Server 2019, Windows Server 2016 |

### Design

| Feature | Value |
|---|---|
| Internal | Yes |
| Product colour | Red |

### Performance

| Feature | Value |
|---|---|
| Certification | CE, FCC, REACH |
| Chipset | ASMedia - ASM3142 |

### Logistics data

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

### Packaging data

| Feature | Value |
|---|---|
| Package depth | 173 mm |
| Package height | 30 mm |
| Package width | 142 mm |
| User guide | Yes |
| Mounting brackets included | Yes |

### Features

| Feature | Value |
|---|---|
| Data transfer rate (max) | 10 Gbit/s |
| UASP support | Yes |

## FAQ

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

The price is 84.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 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 01.07.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can StarTech PEXUSB312C3 PCIe USB‑C 2‑port 10Gbps card be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: host interface, weight, internal, output interface, product colour, 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.

## Image

https://aio.lv/img/cache/product/3504266/65749397_large.webp