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Sonnet Allegro USB-C 2-Port PCIe Card
PCI-Express 3.0 x2 controller card with 2 USB-C 3.1 ports
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Sonnet Allegro USB-C 2-Port PCIe Card
The Sonnet Allegro USB-C 2-Port PCIe Card is an ideal solution for adding ultra-fast, high-performance USB-C connectivity to your Mac Pro, Windows PC, or Linux system. With its SuperSpeed USB-C 10 Gbps interface, this PCIe expansion card allows you to take full advantage of the latest generations of external storage devices and offers transfer speeds far superior to those of standard USB 3.0 ports. Designed for professionals and demanding users, it combines performance, power and reliability, while remaining easy to install.
By installing this controller card in an available PCIe slot or via a Sonnet Thunderbolt-to-PCIe expansion system, you instantly add two SuperSpeed 10 Gbps USB-C ports to your setup. Each port delivers up to 15W of power to power bus-powered USB-C devices without the need for an additional external power supply. The card uses an ASMedia controller to deliver strong transfer performance, with speeds of up to 960MB/s on a single device, or highly efficient simultaneous transfers when multiple devices are connected. The ports are protected by independent power regulation and resettable fuses, ensuring increased safety for your hardware. This card is compatible with a wide range of USB devices and supports hot plugging, allowing you to connect or disconnect your devices without interrupting your work.
Key features:
- PCIe interface: auto-negotiating PCIe 3.0 x1 or PCIe 2.0 x2 depending on the slot
- 2 SuperSpeed 10 Gbps USB-C ports (USB 3.2 Gen 2)
- Transfer speed up to 960 MB/s on a single device
- 15 W per port for bus-powered devices
- Independent port power regulation
- Resettable fuses for overcurrent protection
- Supports hot plugging/unplugging of devices
- Compatible with all USB-IF compliant devices
- Easy installation in Mac Pro, Windows or Linux computers equipped with a PCIe slot (or via a Thunderbolt-to-PCIe expansion chassis)
Select your criteria
General information |
Product name |
Sonnet Allegro USB-C 2-Port PCIe Card |
Brand |
Sonnet | |
Model |
USB3C-2PM-E | |
Technical specifications |
Bus |
PCI Express 3.0 x2 |
Controllers |
USB 3.1 | |
Connector(s) |
2 X USB 3.1 Type C | |
Supported OS |
Apple Mac OS | |
| Linux | ||
| Microsoft Windows 11 | ||
| Microsoft Windows 10 | ||
Warranties |
Commercial warranty |
Seller 2 years
|
Legal warranty |
See terms & conditions
|
See all Sonnet products
Product referenced on 6 Feb 2026
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