Orders placed during Passover Holiday (Wed 4/1 after 4PM ET – Thurs 4/9) will ship Fri 4/10. View our holiday shipping schedule.

Overview
Compare
Specs
Protection

Reviews about this item

Review Summary

2024-10-22T01:06:08

Rated 5 out of 5

a warm recommendation

Excellent price, excellent product, good packaging, arrived quickly. I am happy with the service. Thank you very much.

Shoval P.

2021-08-10T19:20:54

Rated 5 out of 5

Sonnet Upgrade for Mac Pro 5,1

Needed a reliable upgrade card for my Mac Pro. Read many reviews that pointed me to the Sonnet 3.0 card. The reviews were correct. Plug and play? no issues. Glad I chose the Sonnet.

Ted S.

2020-11-03T17:35:37

Rated 4 out of 5

Good card, just needed a haircut

I bought this to use mostly with the OWC USB-C Drive Dock. First thing out of the box, I swapped the full-height bracket to the included half-height one since I am using a SFF case. The brackets themselves are super high quality, heavy, sturdy, and really beautifully made. Which I never thought I would say about a PCI slot bracket. The card itself seems high quality for the most part. There are cheaper options available but I went with Sonnet because I need the best reliability I can get, and also hoping that if driver or firmware updates are ever needed, I will have a better chance of getting them from Sonnet than a generic Amazon brand. My one gripe with the card physically is that the top of it is rough and has loose strands of fiberglass-looking PCB material hanging off. A bit janky for something priced 2-3x higher than the competition. It installed easily and was recognized immediately by Windows 10. No issues with USB plug clearance on my PC.

BRYCE S.

2020-02-20T06:52:20

Rated 5 out of 5

stuff

great and great

James C.

2019-02-26T15:30:43

Rated 5 out of 5

Worked as expected

Installed in a mac pro el captain, worked seamlessly

ROBYN C.

2019-01-30T09:52:26

Rated 5 out of 5

Better than E-Sata

Tried e-sata, but was unreliable in my 5,1 MacPro. This is fast and seems to be reliable in the first few days of operation and the price was worth the wait. As others have said, the USB-C connectors do not seat fully due to interference with the case, but that does not seem to affect the performance nor reliability.

AUBREY G.

2016-05-19T17:13:16

Rated 5 out of 5

Express Card

I have one of the last Macintoshes that came with USB 2.0 ports. In the 5+ years since I bought the computer, USB 3.0 has become a standard for external devices, especially hard drives. The Sonnet PCI Express card installed easily and gave me 4 USB 3.0 ports, each of which now has a 4TB or 5TB hard drive connected.

Steven S.

2016-04-15T12:48:54

Rated 5 out of 5

Love it!!

Love it!! Works as advertised!! Plug and play. Much faster then what I was using. ( a 3.0 hub). Would recommend to anyone. My configuration: latest version of El Capitan, CCC for backups & Time Machine, without a hitch.

Coy M.

Specification about this item

  • Form Factor

    PCIe computer card

  • Bus Interface

    PCI Express 2.0 x1

  • Peripherals Supported

    Industry standard USB 3.0, 2.0, and 1.1 peripherals

  • Bus Powered Peripherals Supported

    HDs, SSDs, DVDs, and Blu-ray devices up to 2A per port (2)

  • Cables Supported

    USB 3.0 with Standard-A male connector, USB 2.0 with Standard-A male connector

  • Chipset

    Fresco Logic

  • RoHS Compliant

    Yes

  • Number of Ports

    4 external

  • Standard

    Complies with OHCI (Open Host Controller Interface), EHCI (Enhanced Host Controller Interface), and xHCI (eXtensible Host Controller Interface) standards

  • UASP

    USB attached SCSI protocol supported under OS X 10.8.5+ and Windows 8.1+

  • USB Charging

    USB Battery Charging 1.2 Compliant (up to 7.5W per port)

  • Data Transfer Rate

    USB 3.0: 5 Gbps

  • Number of Devices Supported

    Up to 31

  • Hot Plug

    Supports hot-pluggable and hot swappable device connection

  • Mac Compatibility

    Mac Pro (with card slots)
    OS X 10.8.5+
    macOS Sierra compatible

  • PC Compatibility

    PC desktop (with PCIe slots; PCIe 2.0 slots recommended)
    Windows 10, 8, 7
    Windows Server 2012, 2008

  • Thunderbolt Compatibility

    Any Mac or PC with a Thunderbolt or Thunderbolt 2 port and a Thunderbolt-to-PCIe Card Expansion System

About Sonnet Allegro USB 3.0 4-Port PCIe Card

FEATURED REVIEWS

Worked as expected

By ROBYN C.

Installed in a mac pro el captain, worked seamlessly

a warm recommendation

By Shoval P.

Excellent price, excellent product, good packaging, arrived quickly. I am happy with the service. Thank you very much.

Find the ultimate solution to your data transfer needs with the Allegro USB 3.0 4-Port PCIe Card. This high-performance card is designed to enhance your Mac Pro Tower, Windows PC, or Thunderbolt-to-PCI Express Card Expansion System by adding four SuperSpeed USB 3.0 ports.

Unlike the standard USB 2.0 ports, which limit data transfer speeds to around 25-30 MB/s, the Allegro USB 3.0 4-Port card offers significantly superior performance. It is ideal for connecting external storage drives, such as hard drives, SSDs, DVDs, and Blu-ray devices, allowing you to fully utilize their performance capabilities without any reduction in speed.

The Sonnet-engineered Allegro USB 3.0 4-Port card is uniquely designed to provide extra power through its ports, eliminating the need for an auxiliary power cable. It delivers up to 10W of power per port, supporting USB 3.0 bus-powered devices without the need for an additional AC power adapter.

In addition, this versatile card supports the USB 3.0 charging specification, enabling you to charge and sync your iPad, iPhone, or any other device that supports USB 3.0 charging, simultaneously.

Featuring a PCIe 2.0 bus interface, the Allegro USB 3.0 4-Port card takes full advantage of your computer's fast expansion card slots. It is easy to install into any PCI Express (PCIe) slot that supports a full-height card and offers hot-pluggable and hot-swappable device connection support with automatic device configuration.

The Allegro USB 3.0 4-Port card is also optimized for Thunderbolt connections. If you have a Thunderbolt connection but no PCIe slot, this card is the perfect fit for any Thunderbolt to PCIe card expansion chassis, including Sonnet's Echo Express or xMac Thunderbolt 2-to-PCI Express card expansion systems. Now, you can add SuperSpeed USB 3.0 charging connections to any Mac with a Thunderbolt port.

Experience the power and convenience of high-speed data transfer and charging with the Allegro USB 3.0 4-Port PCIe Card.

Sonnet Allegro USB 3.0 4-Port PCIe Card Features

  • Adds SuperSpeed USB Connectivity: Adds four USB 3.0 ports to your Mac Pro with PCIe slots, Windows PC, or Thunderbolt-to-PCIe card expansion chassis; transfersdata up to 10x faster than over USB 2.0 connections.
  • Super-Powered Ports: Supports USB 3.0 bus-powered hard drives, SSDs, DVDs & Blu-ray devices with up to 2.0A per port.
  • Charging Ports: Supports USB 3.0 charging port handshake, and will simultaneouslysynch and charge iPads and other devices that support USB 3.0 charging at 1.5A per device.
  • Broad USB 3.0 Device Support & Compatibility: Supports storage, hubs, and other USB-IF compliant USB 3.0 devices; compatible with USB 2.0 devices.
  • Supports Hot-Swappable Device Connection: Plug in and disconnect peripherals without shutting off your computer.
  • Optimized for Thunderbolt: Provides maximum performance over Thunderbolt.
  • Easy Installation: Quick and easy user installation into any available PCIe slot of your computer.

What's in the box:

  • Sonnet Allegro USB 3.0 4-Port PCIe Card
  • Original Box