Product Type | Network Adapters |
Form Factor | Plug-In Card |
Power Requirements | PCIe Bus Powered with 15W per port (5V/3A) |
Power Output Per Port | 15W (5V/3A) |
Bus Type | PCI Express |
Interface Version | PCI Express 3.0 |
Height | 0.7 Inch |
Width | 3.1 Inch |
Depth | 4.8 Inch |
Weight | 0.09 lb (0.041 kg) |
StarTech 2-Port 10Gbps USB-C PCIe 3.0 x4 Card - PEXUSB312C3





Key Benefits

Eye-Insights™ by Eye-In Technologies
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AI-Powered Summaries from Online Customer Reviews
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- Supports simultaneous high-speed transfers on both ports, ideal for power users or multitasking environments.
- Provides 15W of power per USB-C port, eliminating the need for external power supplies for many devices.
- Fully compatible with major operating systems and form factors, simplifying deployment across diverse IT ecosystems.
Product Overview
USB C PCI Express card w/ Multiple INs maintains max speed w/mixed speed devices - 2-Port USB-C 10Gbps Expansion Host Controller Card - USB Type-C Add-On Card Adapter w/UASP - 15W per port (5V/3A) - Full/low-profile PCIe 3.0 x4 - Windows/Linux/macOSSpecifications
Product Overview
Wireless Features
Wireless Support |
Compliance & Origin
Country of Origin | TAIWAN |
TAA Compliant | Yes |
Certifications | CE, FCC, RoHS |
Warranty | 2-Year Warranty |
Advanced Security Features
Hardware Security Features |
Interfaces
Interface Type | PCI Express 3.0 x4 |
Ports | 2 x USB-C (USB 3.1 Gen 2) |
Port Type | USB Type-C (24 pin) |
USB Standard | USB 3.1 Gen 2 |
Data Transfer Rate | 10 Gbps |
UASP Support | Yes |
Hot Plug Support | Yes |
Backward Compatibility | USB 3.0/2.0/1.1 |
Maximum Bandwidth Allocation | 20 Gbps (10 Gbps per port) |
Physical & Environmental
Enclosure Type | Internal – Expansion Card |
Operating Temperature | 5°C to 50°C (41°F to 122°F) |
Storage Temperature | -25°C to 70°C (-13°F to 158°F) |
Operating Humidity | 15% ~ 90% RH |
Storage Humidity | 15% ~ 90% RH |
Low Profile Bracket Included | Yes |
System Requirements | Available PCI Express x4 slot or higher |
OS Compatibility | Windows 7/8/10, Linux 4.11+, macOS 10.13+ |
Cloud Management & Licensing
Cloud Management | |
License Required | No |