Sonnet eGFX Breakaway Box - 550W

Thunderbolt 3-to-eGPU Expansion System w/550W Power Supply

Suggested List Price: £310+VAT

Product Code: SON-GPU550W-TB3

Where to buy

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Available November 2017

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Sonnet eGFX Breakaway Box - 350W

Thunderbolt 3-to-eGPU Expansion System w/350W Power Supply

Product Code: SON-GPU350W-TB3Z

Suggested List price: £265+VAT

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External GPU Enclosures from Sonnet at IBC 2017

KITPLUS - Sonnet talk to us about their exciting new Thunderbolt external GPU enclosures.

  • Connects High Performance GPU Cards to Computers with Thunderbolt 3 Ports
    Connects a supported GPU card to your eGFX-compatible computer with Thunderbolt 3 ports
  • Supports Cards With Popular GPU Chipsets
    Includes AMD Radeon R9 and RX and NVIDIA GeForce GTX 7, 9 and 10 series
  • x16 PCI Express 3.0 slot
    Supports up to full-length, full-height, single- or double-width card
  • Supports Other Thunderbolt 3-Compatible PCIe Cards
    Perfect for full-length cards such as the RED ROCKET-X or AVID Pro Tools|HDX
  • 40Gbps Thunderbolt 3 Interface with One Thunderbolt 3 (USB-C) Port
    Ensures full 2750 MB/s of PCIe bandwidth(1) is dedicated to the installed card
  • Available with 350W or 550W Power Supply
    Model with 350W power supply has one 8-pin & one 6-pin auxiliary power connector and delivers 15W of upstream power; model with 550W power supply has dual 8-pin connectors and can also deliver 87W upstream power to charge your computer
  • Quietest eGFX System Available
    Large built-in, variable-speed, temperature-controlled fan quietly and effectively cools the installed card
  • Thunderbolt Certified for Mac & Windows (macOS does not support connection of GPU cards over Thunderbolt and GPU card drivers are not officially Thunderbolt compatible on macOS.)
  • Graphics Card Power Compatibility

Mac Compatibility

  • Mac with Thunderbolt 3 ports
  • Mac with a Thunderbolt 2 or Thunderbolt port with an Apple Thunderbolt 3 (USB C) to Thunderbolt 2 Adapter
  • macOS 10.12.6+
  • GPU card use see Tech Note 2

Windows Compatibility

  • PC with a Thunderbolt 3 port (GPU card requires an eGFX-enabled Windows PC)
  • Windows 10 (64-bit Edition Version 1703 or greater)

Technical Notes

  1. While the eGFX Breakaway box features a 40Gbps Thunderbolt 3 interface, some computers equipped with Thunderbolt 3 use an x2 PCIe lane implementation of Thunderbolt 3 technology that limits PCIe performance to 20Gbps. Find more computer information here. Full performance also requires the use of the included Thunderbolt 3 (40Gbps) cable, or other Thunderbolt 3 (40Gbps) cables; look for the Thunderbolt icon AND the number 3 on the connector housings to identify these cables. Other than macOS High Sierra Developer Beta, macOS does not yet support connection of GPU cards over Thunderbolt and GPU card drivers are not yet officially Thunderbolt compatible for macOS. For more information, see Sonnet Support Library.
  2. Choose eGFX Breakaway Box model that supports the power requirement of the chosen card.
  3. Power adapter cable for Avid Pro Tools|HDX card sold separately.

Technology Guides

Connect a High-Performance Graphics Card or Other Bandwidth-Hungry PCIe Card to a Thunderbolt 3-Equipped Computer

Sonnet’s eGFX Breakaway Box, a Thunderbolt 3-to-PCIe card expansion solution supports any Thunderbolt compatible PCIe card, but is designed specifically for bandwidth-intensive graphic video cards. The Breakaway Box enables all the popular GPU cards that support connecting to a computer over Thunderbolt such as AMD Radeon® R9 and RX and NVIDIA® GeForce® GTX7, 9 and 10 series, providing GPU support for computationally-intensive applications.

Graphic Intensive Gaming

There’s no need to carry a heavy and expensive gaming laptop to have a great gaming experience—just plug in a Breakaway Box and add the GPU power you want when you need it! By delivering much higher frame rates for smooth game play, the Breakaway Box is ideal for enabling graphic-intensive gaming on computers (such as thin/light notebooks) that otherwise would not be able to produce an acceptable gaming experience. When used with computers that properly support eGPUs, accelerated graphics can either be displayed on your notebook’s own display panel or on external monitors. And, unlike with gaming laptops, when the next generation of GPUs rolls around and you are ready for another performance boost, simply upgrade the GPU card—nobody should have to replace their computer just to keep up with the latest in GPU technology.

Ready for Work, Coolest & Quietest eGFX Graphics Card Box on the Market

In addition to eGPU cards, the Breakaway Box supports every other Thunderbolt-compatible PCIe card, regardless of the card's length or width—its single x16 PCIe 3.0 slot easily accommodates full-length cards such as the RED Rocket-X or AVID Pro Tools|HDX. The Breakaway Box’s single-port 40Gbps Thunderbolt 3 interface ensures the full 2750 MB/s of PCIe bandwidth(1) is dedicated to the installed card.

The Sonnet eGFX Breakaway Box is the coolest and quietest eGFX box on the market—with its large variable-speed, temperature-controlled fan that quietly and effectively cools the installed card, the Breakaway Box can be comfortably used in noise-sensitive working environments.

For Media Professionals

In today’s 4K workflows, harnessing the computational engine in today’s GPU cards is essential to keeping up with on-set and post production timelines. The eGFX Breakaway Box is ideal for supporting the acceleration of special effects, animation, color grading, rendering, and editing.

40Gbps Thunderbolt 3 Performance

Thunderbolt 3 is a leap forward in every way. Whether you’re editing 4K video at high frame rates or blasting aliens out of the sky, you can now transform your notebook into a true desktop experience. With up to 2750 MB/s available bandwidth(1), the Breakaway Box exploits its 40Gbps Thunderbolt 3 interface to offer the best-possible eGPU experience, or handle the most demanding, highest performance PCIe cards.

Available with 350W or 550W Power Supply

Sonnet offers two eGFX Breakaway Box models to choose from—the eGFX Breakaway Box 350 and eGFX Breakaway Box 550—enabling you to select one best suited to your needs. The eGFX Breakaway Box 350 includes 8-pin plus one 6-pin auxiliary power connectors, supports cards requiring 300W or less power, and provides 15W of upstream power. The eGFX Breakaway Box 550 includes dual 8-pin auxiliary power connectors, supports cards requiring 375W+ of power, and provides 87W of upstream power, useful for charging your notebook computer. Both models include a 0.5-meter Thunderbolt 3 (40Gbps) cable to connect the box to your computer. Whichever model you choose, the Breakaway Box is Thunderbolt Certified for Mac and Windows.

Ideal for Accelerating

  • Special effects
  • Animation
  • Color grading
  • Rendering
  • Editing

Also Ideal for Enabling Graphic Intensive Gaming on Non-Gaming Computers:

  • Enables high frame rate gaming with thin/light notebooks
  • Accelerated graphics on notebook display or external display
  • No need to carry around a heavy/expensive gaming laptop—plugin GPU power when you need it

Download the latest Firmware and Software

  • eGFX Breakaway Box system
  • Power cord
  • 0.5-meter Thunderbolt 3 (40Gbps) cable
  • Documentation

Note: PCIe cards sold separately