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Sonnet USB3-4PM-E Allegro 4-Port USB 3.2 Gen 1 PCI Express Card for Mac Pro

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Product code: USB3-4PM-E

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This card installs easily into any Mac Pro PCI Express slot that supports a full-height card, and works with all USB-IF compliant USB 3.0 and USB 2.0, peripherals

Your price: $146.99

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Sonnet Technologies

Allegro USB 3.0 4–Port
SuperSpeed USB 3.0 Charging PCI Express 2.0 Card

Mac / PC / USB 3.0 / PCIe
Add Four SuperSpeed USB 3.0 Connections to Your System
Don't settle for less
Your computer’s USB 2.0 ports are perfectly adequate for connecting mice, keyboards, and printers, but if you need to connect external storage drives, USB 2.0 ports are underpowered in more ways than one—limiting data transfer speeds to around 25–30 MB/s, they can hardly be called “high performance”. Most drives available today include faster USB interfaces and offer significantly better performance than USB 2.0-equipped drives. Though you can connect them to your computer’s USB 2.0 ports, their performance would be reduced by as much as 85 percent! Don’t settle for slow performance—install a Sonnet Allegro Type-A USB 3.2 PCIe 4-Port(1) card to instantly add four SuperSpeed USB 5Gbps ports to your system to take full advantage of today’s drives’ performance capabilities.
Charge your devices using USB 3.2
Sonnet specially engineered the Allegro USB 3.2 4–Port card to provide extra power through its ports without the need for you to connect an auxiliary power cable. Delivering up to 10W of power per port, this Sonnet solution supports USB 3.2 bus–powered hard drives, SSDs, DVDs & Blu–ray devices without the need to connect an additional AC power adapter. The Allegro USB 3.0 card also supports the USB 3.0 charging specification that enables you to simultaneously charge and sync your iPad, iPhone, or other device that supports USB 3.2 charging!
Easy installation
The Allegro USB 3.2 4–Port card features a PCIe 2.0 bus interface to take advantage of your computer's fast expansion card slots. This card installs easily into any PCI Express (PCIe) slot that supports a full–height card, features hot–pluggable and hot–swappable device connection support with automatic device configuration, and works with all USB-IF compliant USB 3.2 and USB 2.0, peripherals.
Optimized for Thunderbolt
Got a Thunderbolt connection, but no PCIe slot? The Allegro USB 3.2 4–Port card is ideal for use in any Thunderbolt to PCIe card expansion chassis, offering full performance wherever you install it–now you can add SuperSpeed USB 3.2 charging connections any Mac with a Thunderbolt port.
This product is compatible with...Click here to find your Mac's model ID
Mac Pro
Mac Pro 12-Core (Mid 2012)
(June, 2010)
Model ID: MacPro5,1
2.4GHz, 2.66GHz, 3.06GHz
Mac Pro
Mac Pro 6-Core (Mid 2012)
(June, 2012)
Model ID: MacPro5,1
Mac Pro
Mac Pro 4-Core (Mid 2012)
(June, 2012)
Model ID: MacPro5,1
Mac Pro
Mac Pro 12-Core (Mid 2010)
(July, 2010)
Model ID: MacPro5,1
2.66GHz, 2.93GHz
Mac Pro
Mac Pro 8-Core (Mid 2010)
(July, 2010)
Model ID: MacPro5,1
Mac Pro
Mac Pro 6-Core (Mid 2010)
(July, 2010)
Model ID: MacPro5,1
Mac Pro
Mac Pro 4-Core (Mid 2010)
(July, 2010)
Model ID: MacPro5,1
2.8GHz, 3.2GHz
Mac Pro
Mac Pro 8-Core (Early 2009)
(March, 2009)
Model ID: MacPro4,1
2.26GHz, 2.66GHz, 2.93GHz
Mac Pro
Mac Pro 4-Core (Early 2009)
(March, 2009)
Model ID: MacPro4,1
2.66GHz, 2.93GHz, 3.33GHz
Mac Pro
Mac Pro 8-Core (Early 2008)
(January, 2008)
Model ID: MacPro3,1
2.8GHz, 3.0GHz, 3.2GHz
Mac Pro
Mac Pro 4-Core (Early 2008)
(January, 2008)
Model ID: MacPro3,1
PC Desktop
PC running Windows, Linux or FreeBSD and available PCI-Express x4 lane or better slot
OWC Helios
OWC Mercury Helios
Thunderbolt PCIe
expansion chassis


Product Specifications:

Sonnet Technologies Part Number

  • USB3-4PM-E

Form Factor

  • PCIe computer card

Bus Interface

  • PCI Express 2.0 x1

Peripherals Supported

  • Industry standard USB 3.2 Gen 1&2, 3.1 Gen 1&2, 3.0, 2.0, and 1.1

Data Transfer Rate

  • 5 Gb/s

USB Charging

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

Cables Supported

  • USB 3.0 with Standard–A male connector, USB 2.0 with Standard–A male connector1


  • Mac Pro (with card slots)– OS X 10.8.5+ (OS X Catalina compatible)
  • PC desktop (with PCIe slots; PCIe 2.0 slots recommended)– Windows 8, 7, Windows Server 2012, 2008
  • Any Mac or PC with a Thunderbolt or Thunderbolt 2 port and a Thunderbolt–to–PCIe Card Expansion System


  • Fresco Logic

Number of Ports

  • 4 external


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


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

Bus Powered Peripherals Supported

  • HDs, SSDs, DVDs, and Blu–ray devices up to 2A per port

Number of Devices Supported

  • Up to 31

Hot Plug

  • Supports hot-pluggable and hot swappable device connection


  • RoHS


  • 8.5" x 5.4" x 1.4" (21.6 x 13.7 x 3.6 cm)


  • 0.35lbs (0.16kg)


  • Sonnet Technologies 1 Year Limited Warranty


  1. USB 3.0 devices require USB 3.0 cables to support USB 3.0 (SuperSpeed) transfer speeds (up to 5 Gb/s). Use of USB 2.0 cables between USB 3.0 devices and Allegro USB 3.0 4–Port is supported, but data transfers are limited to USB 2.0 speeds (up to 480 Mb/s).

Manufacturer provided specifications for Sonnet Technologies p/nUSB3-4PM-E UPC#: 732311009440

Additional Information

Colour No
Type No
Connection USB 3.0
Interface PCI
Form Factor No
Suitable for Mac Pro
Model Identifier No
Manufacturer Sonnet
Manufacturer P/N USB3-4PM-E
UPC 732311009440
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