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| SuperSpeed USB-C 10Gbps • Dual Controllers for Fast Drive-to-Drive Transfers USB-C Charge & Sync • Four Ports with up to 7.5W Power per Port |
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Powerful USB 3.2 Gen 2 Performance |
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Equipped with SSDs, the fastest USB 3.2 Gen 2 drives you can buy today are capable of 800 MB/s data transfers—many are bus-powered, too. But, most desktop computers (even new models) include generations-old USB interfaces that will throttle that performance and may not offer adequate power to allow bus-powered drives to operate. Break through the bottleneck—install Sonnet’s Allegro™ USB-C® 4-Port PCIe(1) card in your Mac Pro® or Windows® PC computer with PCIe slots; or Thunderbolt™ to PCIe card expansion system to support your fast USB drives at maximum performance. Two Controllers, Four Ports Featuring two 10Gbps USB 3.2 Gen 2 controllers and four USB-C ports, the Allegro PCIe card supports data transfers at up to twice as fast as USB 3.0 and USB 3.1 Gen 1 ports are capable. With two controllers onboard, the Allegro card speeds data transfers between connected drives, and enables your computer to load and off-load data more quickly. |
Key Features Four SuperSpeed USB-C 10Gbps Ports—Adds four USB-C 10Gbps ports to your Mac Pro or Windows PC computer with PCIe slots; or Thunderbolt to PCIe card expansion system Powerful Performance with Dual USB 3.2 Gen 2 Controllers—Support data transfers at up to twice as fast as USB 3.0 and USB 3.1 Gen 1; speed data transfers between connected drives Powered Ports—Supports USB-C bus-powered SSD, SSD RAID, and hard drive devices with up to 7.5W power per port Protected Power Delivery—Independent power regulation isolates each port to prevent cross-coupled power glitches that may cause accidental disconnects; resettable device overcurrent fuses protect the card and computer, and may be reset by a simple shutdown Broad USB Device Support & Compatibility—Supports storage, hubs, and other USB-IF compliant USB devices Add USB 3.2 Gen 2 to Thunderbolt Expansion Systems—Add four SuperSpeed USB-C 10Gbps ports to Thunderbolt to PCIe card expansion systems Supports Hot-Swappable Device Connection—Plug in and disconnect peripherals without shutting off your computer Easy Installation—Quick and easy installation into any available PCIe slot 
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Speed and Power Unlike other 4-port USB cards (simple hubs that split a single USB controller’s bandwidth between all four ports), Sonnet’s Allegro PCIe card supports data transfers from a single USB 3.2 Gen 2 SSD RAID device at up to 800 MB/s— compared to using a USB 3.1 Gen 1 or USB 3.0 adapter card, transfers complete in half the time! Exploiting its dual controllers design, it’s possible to simultaneously transfer data to two connected drives at up to 660 MB/s each. With four drives connected, the four ports support simultaneous 300 MB/s transfers! |
Sonnet Port Power Advantages: Unlike ordinary USB-C adapter cards, Sonnet's Allegro PCIe card was designed with a focus on intelligent power delivery and management for powering attached drives through its ports. |
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No Auxiliary Power Required 
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Easy to Access Ports Sonnet designed the Allegro USB-C 4-Port PCIe card with custom USB-C connectors that locate the ports near the center of the PCIe bracket. Unlike other cards that use standard Type-C connectors that are mounted close to the edge of the bracket, this Allegro card provides plenty of clearance for you to plug in cables. |
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Computer hardware shown in photos for illustration purposes; items sold separately. See Tech Specs Tab for footnotes |
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Mac Compatibility Mac Pro® 3,1(3), 4,1, 5,1, 7,1 (2019)(4), or 14,8 (2023)(4) macOS 10.12.6+(2) macOS Sonoma compatible Windows Compatibility Computer with PCIe slots Windows 11, 10, 8.1, 7 Windows Server 2019, 2016, 2012, and 2008 (64-bit editions) Linux Compatibility (See Tech Note 1149) Computer with PCIe slots Linux Kernel 5.4.0+ Ubuntu 20.04.1+ Thunderbolt PCIe Expansion System Compatibility Supports USB 3 devices when card is installed in a Thunderbolt to PCIe Card Expansion System
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Allegro USB-C 4-Port PCIe Product Overview (1:39 mins) |
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