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Sonnet Radeon RX 570 eGFX Breakaway Puck

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This product is discontinued

Product code: SOGPRX570TB3

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Sonnet’s eGFX Breakaway™ Puck is an extremely-portable, high-performance, all-in-one external GPU for Thunderbolt 3 computers that provides accelerated graphics and multi-display connectivity.
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 Extremely Portable, High-performance

External Graphics Acceleration

Office • Dorm Room • Coffee Shop • LAN Party

External GPU to Go!

Gaming or graphics processing on a thin/light notebook? Even when equipped with a beautiful display and a high-performance CPU, you probably wouldn’t have thought of loading games onto one (unless you like playing at low frame rates, resolutions, and detail settings).

With the development of Thunderbolt 3 connected external GPUs, such as Sonnet’s eGFX Breakaway Box, desktop boxes that support a range of desktop GPU cards that can boost your computer’s graphics performance are now available, making Ultrabook™ gaming and video editing a reality. But, they are, at best, transportable. What if you could instantly boost your computer’s graphics performance anytime and anywhere you need it, without being anchored to a desk? Here’s an idea—Pack a Puck!


eGFX Breakaway Puck High-Performance Gaming or Video Production

Sonnet’s eGFX Breakaway™ Puck is an extremely-portable, high-performance, all-in-one external GPU for Thunderbolt 3 computers that provides accelerated graphics and multi-display connectivity. With a Puck connected to your computer, you can dramatically accelerate popular graphics-intensive games and pro applications anywhere.

eGFX Breakaway Puck Hero Shots

Gamer in Coffe Shop Gaming with Notebook and the eGFX Breakway Puck

Backpack Icon
Highly Portable

The eGFX Breakaway Puck conveniently packs with your notebook in a backpack or computer bag when you need GPU acceleration while on the road. Connected to your computer with a single 0.5-meter Thunderbolt 3 (40Gbps) cable (included), the Puck provides 45W of Power Delivery, which means it will power and charge your computer(3) while connected, even when not in use, allowing you to leave your computer’s power brick behind. Whether you’re looking for a ultra-convenient way to game with an ultrabook at a LAN party, or you’re a pro who needs an extra computational power boost for on-location rendering, color grading and video editing, the Puck injects extra GPU power to go.

Front of eGFX Breakaway Puck


Measuring a compact 6 inches wide by 5.1 inches deep by 2 inches tall,
the eGFX Breakaway Puck has a minimal footprint on the desktop,
and is the right size to compliment your thin/light notebook.

eGFX Breakaway Puck with Notebook and 4K Display


Part No.  

Sonnet eGFX Breakaway Puck Radeon RX 570

Warranty 1-year
Form Factor Portable external GPU system
Video Memory 4 GB GDDR5
  • 3 DisplayPort 1.4, 4K@60Hz
  • 1 HDMI 2.0b, 4K@60Hz
External Connectors
  • One Thunderbolt 3
  • 4-pin power DIN
  • Three DisplayPort
  • One HDMI
Supported Technologies
  • AMD Eyefinity™ Technology
  • AMD FreeSync™ Technology
  • HDCP 2.2
  • HDR (High Dynamic Range)
  • DirectX® 12
  • Intelligent Fan Control
  • OpenCL 2.0
  • OpenGL 4.5
Power Delivery Provides laptop charging up to 45W
Power Adapter 
Universal 160W, 100-240V AC, 50-60 Hz
Power Adapter 
Universal 220W, 100-240V AC, 50-60 Hz
Operating Temperature

0˚C to 35˚C (32˚F to 95˚F)

Dimensions (WxDxH) 6 x 5.12 x 2 in. (15.24 x 13 x 5.1 cm)
Package Weight
(Part No. GPU-RX560-TB3)
4.15 lbs (1.88 kg)
Package Weight
(Part No. GPU-RX570-TB3)
5.25 lbs (2.38 kg)
RoHS Compliant Yes
Package Contents
  • eGFX Breakaway Box Puck
  • Power adapter
  • Power code
  • 0.5-meter Thunderbolt 3 (40Gbps) cable
  • Documentation 

Specifications subject to change without notice

Windows Compatibility

eGFX-enabled Windows PC with a Thunderbolt 3 port

Windows 10 (64-bit Edition Version 1703 or greater)

Mac Compatibility

See Technical Note 2

Technical Notes

  1. While the eGFX Breakaway Puck 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.
  2. For question regarding the use of the eGFX Breakway Pucks with macOS High Sierra, click here.
  3. Laptops with 45–60W AC power adapters (typically 13-inch models) that support Thunderbolt 3 charging (PD - Power Delivery) may be powered and charged by the eGFX Breakaway Puck, even while gaming at 100% CPU usage. Laptops with AC power adapters rated at 87W–100W that support Thunderbolt 3 charging may be powered and charged by the Puck under modest CPU usage, but may slowly discharge using the 45W of Puck power while gaming at 100% CPU usage. Connecting bus-powered storage to a laptop will draw additional power that may affect the charging (discharging) rate. When not in use, any connected computer that supports Thunderbolt 3 charging will be charged to 100% by the Puck.

Mac LogoWindows Logo PCI Express Logo
PSE & Wheele Trash Can IconsroHS Logo

Additional Information

Colour Black
Type No
Connection DisplayPort, HDMI, Thunderbolt 3 (40Gb/s)
Interface No
Form Factor No
Suitable for No
Model Identifier No
Manufacturer Sonnet
Manufacturer P/N GPU-RX570-TB3
UPC 732311012037

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