- Overview
- Tech Specs
Add Four Powerful SuperSpeed USB Connections to Your Mac Pro® Tower, Windows® PC, or Thunderbolt™-to-PCI Express Card Expansion System
Sonnet specially engineered the Allegro USB 3.0 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 3.0 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 3.0 charging! The Allegro USB 3.0 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 3.0 and USB 2.0, peripherals. Optimized for Thunderbolt
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Key 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; transfers data 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 simultaneously synch 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 
Install Sonnet’s Allegro USB 3.0 PCIe into your computer to exploit the full performance potential of the latest hard drives and SSDs with a USB 3.0 interface.
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See Tech Specs Tab for footnotes |
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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 USB 3.0 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 USB 3.0 4-Port card to instantly add four SuperSpeed USB 3.0 ports to your system to take full advantage of today’s drives’ performance capabilities.
Got a Thunderbolt connection, but no PCIe slot? The Allegro USB 3.0 4-Port card is ideal for use in any Thunderbolt to PCIe card expansion chassis, including one of Sonnet’s 
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Mac Compatibility Mac Pro® (with card slots) OS X® 10.8.5+ OS X El Capitan 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
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