Sonnet Allegro 2-Port USB 3.2 Gen 2 Type-C PCIe 3.0 Card

BH #SOUSB3C2PME • MFR #USB3C-2PM-E
Sonnet
Sonnet Allegro 2-Port USB 3.2 Gen 2 Type-C PCIe 3.0 Card
Key Features
  • Adds Two 10 Gb/s USB Type-C Slots
  • Delivers 15W of Power per Port
  • Protected Ports
  • Resettable Fuses
The Allegro 2-Port USB 3.2 Gen 2 Type-C PCIe 3.0 Card from Sonnet supports data transfers at up to twice as fast as USB 3.2 Gen 1, and can also deliver 15W of power per port to USB Type-C bus-powered devices. It adds two 10 Gb/s USB Type-C (USB 3.2 Gen 2) ports to your Mac Pro with PCIe slots, Windows PC, Linux computer, or Thunderbolt to PCIe card expansion system. This PCIe computer card supports data transfers up to 960 MB/s when connected to a USB Type-C SSD RAID device. The ports communicate with the host that 3A of VBUS current is available, enabling this solution to support USB Type-C bus-powered SSDs and SSD RAID devices that need 15W during demanding write operations.
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Sonnet Allegro Overview

  • 1Description
  • 2Regulates Power to Each Port
  • 3Resettable Fuses
  • 4PCIe Auto-Negotiation
  • 5Optimized for Thunderbolt
  • 6Easy Installation

The Allegro 2-Port USB 3.2 Gen 2 Type-C PCIe 3.0 Card from Sonnet supports data transfers at up to twice as fast as USB 3.2 Gen 1, and can also deliver 15W of power per port to USB Type-C bus-powered devices. It adds two 10 Gb/s USB Type-C (USB 3.2 Gen 2) ports to your Mac Pro with PCIe slots, Windows PC, Linux computer, or Thunderbolt to PCIe card expansion system. This PCIe computer card supports data transfers up to 960 MB/s when connected to a USB Type-C SSD RAID device. The ports communicate with the host that 3A of VBUS current is available, enabling this solution to support USB Type-C bus-powered SSDs and SSD RAID devices that need 15W during demanding write operations.

Regulates Power to Each Port

The Allegro card regulates its own power without requiring a back-of-the card power cable connection, thus enabling full compatibility in any computer or Thunderbolt expansion chassis that doesn't have these power connectors available. It regulates power to each port independently, giving each one protection from power glitches on the adjacent port. Without this protection (such as found on an ordinary card), connects and disconnects of one device may cause auto-disconnects of the other.

Resettable Fuses

The Allegro USB Type-C card features a resettable fuse on each port to protect the card and computer should there be a cable or peripheral failure. Should a fuse trip on the Sonnet card, you can reset it simply by shutting down the computer.

PCIe Auto-Negotiation

The Allegro USB Type-C PCIe features PCI Express auto-negotiation. The card automatically negotiates to a x1 data link in a PCIe 3.0 slot, and to a x2 link in a PCIe 2.0 slot, giving full bandwidth to both generations of PCIe slots, ensuring great performance in any configuration.

Optimized for Thunderbolt

The Allegro USB Type-C PCIe card is ideal for use in any Thunderbolt 2 or Thunderbolt 3 to PCIe card expansion chassis, including Sonnet's Echo Express or xMac Thunderbolt to PCI Express card expansion systems, offering full performance wherever you install it.

Easy Installation

This PCIe card installs easily into any PCIe x4 (mechanical) slot; both low-profile and full-height mounting brackets are included. The card features hot-pluggable and hot-swappable device connection support with automatic device configuration, and works with all USB-IF compliant USB peripherals.
UPC: 732311012136

Sonnet Allegro Specs

General
Ports2 x USB 3.1 / USB 3.2 Gen 2 Type-C
USB Bus-Power Support5 VDC at 3 A, 15 W per Port
Expansion Slot CompatibilityPCIe 3.0 x4
Slot CompatibilityLow-Profile
USB SupportUSB Attached SCSI Protocol
Software System Requirements
Supported Operating SystemsmacOS 10.10.
macOS 10.12. or Later
Windows 7
Windows 8
Windows 10
Windows Server 2008
Windows Server 2012
Windows Server 2016
Linux 4.12 or Later
Physical
CertificationsRoHS, as per Manufacturer
Packaging Info
Package Weight0.285 lb
Box Dimensions (LxWxH)8.6 x 5.4 x 1.35"

Sonnet Allegro Reviews

Love it

By Daniel
Rated 5 out of 5
Date: 2021-04-29

This does exactly what it says it will do, which is rare. I use it in an HP Z840. I was having power issues with my regular USB3 ports at the back and tried this to take some of the load off. I was concerned that I'd need an extra power source for this card or that it wouldn't work in my very bottom PCIe slot (which is only 2x1, but my only available slot). Worked immediately without any issues.

Works as it should

By James
Rated 5 out of 5
Date: 2020-12-06

I installed it, Windows 10 recognized it, and it works as it should. Faster backup for my media files and keeps the workflow with my older PC still viable.

Makes the work well

By jose
Rated 5 out of 5
Date: 2020-11-25

Just pug and play, very fast and I like the services that Sonnet have.

I love it.

By Lori
Rated 5 out of 5
Date: 2020-07-11

My mid-2010 Mac Pro is aging. That, and my ext. backup drives, only have FW800 and USB2. So, I bought this PCIe card and two USB-C external drives to backup all my stuff and futureproof me. Installing this card was an absolute breeze. (There's a great YouTube how-to.) Then, I backed up to one of my new USB-C drives and it was smooth and seamless. I'm very happy! Something I learned though, that is NOT the fault of the card, is that my Mac's ROM only recognizes a USB-C PCIe card after boot up, so you can't boot, say, a clone of your internal drive with it. That may be important to know for some people. Also, I thought I might see much faster transfer speeds, but the speeds were just a little faster than FW800. Could be because my new USB-C drives are only 540rpm, I'm not sure. So maybe don't expect dazzling speed improvements. I highly recommend this card.

Good Card

By Kenneth
Rated 5 out of 5
Date: 2019-12-23

I ordered this Allegro USB 3.1-C type card because my PC was damaged during a no-warning fire safety power shut-off back in October here in California which caused a surge straight through my APC backup/surge protector. This resulted in a damaged front audio and USB port unit through the main switch to my computer case which connects directly to the motherboard. Therefore all the USB ports on the front of the case and on the back I/O of the motherboard became non-functional. This card, attached to the motherboard, bypasses the USB-C port on the back so that I can temporarily use it for USB-C connections until a new USB/audio/switch unit arrives from Germany for my Be Quiet! 800 case. Fortunately, it is still under warranty, and Be Quiet! offered to replace the unit free of charge. However, the Allegro card only works in PCI-E 3.0 or higher slots. It will NOT fit in PCI-E 16 express (the interface is too wide). I tried it in a PCI-E 2.0 slot and it will not function in it at all. Be sure that you have the right configuration or it will not work. It has two USB-C ports. Therefore, with the right cables, I am also able to route it to a four-port hub for other USB input needs such as thumb drives. This adapter is similar in writing speed to the original USB-C port on the I/O from the motherboard. This, with a four port USB 3.0 card connected to the PCI-E express gives me enough latitude to plug in all of my peripherals until final repairs are made. When that happens I will use it in another older PC build which does not have USB-C capability. I have tried it in that PC and it works very well and fast.

it just works

By Andrew
Rated 5 out of 5
Date: 2019-12-07

I knew I needed a disk array to solve my storage (packrat) issues, and my choice was the Promise Pegasus32. I chose the Pegasus32 because it will connect over USB 3.2 gen 2, and I am still stubbornly hanging on to my 2010 silver Mac Pro. I am not sold on the affordable TB3 options in the Mac universe. ($2k+ for a Mini? Really??) Enter the Allegro. It arrived in 2 days, cost me a mere $60 (practically theft!) and made my old Silver and my new Pegasus array fast friends. Thanks, Sonnet.

It does exactly what it should.

By Anthony
Rated 5 out of 5
Date: 2021-03-11

Worked on my PC, just plugged it in, no issues. I didn't check speeds, but downloading a XQD card went very quickly!

Seamless USB C Addition

By Charles
Rated 5 out of 5
Date: 2021-01-19

This card allowed me to seamlessly install two USB-C jacks into my older Intel Skylake based machine. I didn't have any issues with drivers, it was recognized and worked right away.

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