eGPU Breakaway Puck Radeon RX 5700

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eGPU Breakaway Puck RX 5700 (Portable eGPU Dock System)
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Need a Portable Pro Graphics Performance Booster?

Pack a Puck!

Do you have an Intel®-based MacBook Air®, MacBook Pro®, Mac mini®, iMac® or iMac Pro with Thunderbolt™ 3 ports? If you need to run pro editing, rendering, color grading, animating and special effects apps, you need a graphics processing (GPU) power boost.  Whether your computer completely lacks a discrete internal GPU or has a GPU without enough power to adequately support the needs of your current workflow, Sonnet's eGPU Breakaway Puck RX 5500 XT (with an integrated Radeon RX 5500 XT graphics card with 4GB of GDDR6 video memory) is a solution that will instantly boost your computer’s graphics performance anytime and anywhere you need it.

Multi-display Graphics Dock

Leveraging macOS® extended desktop mode, the eGPU Breakaway Puck supports up to three 4K displays at the same time (including one Thunderbolt 3 or USB-C® display), configured for the perfect productivity and gaming setups. With the Puck connected, there’s no need to compromise between the light notebook you want and the number of displays you need in your workspace.

USB Peripheral Support

eGPU Breakaway Pucks include two USB Type A ports, enabling you to connect peripherals such as a keyboard, mouse, or even a software license authorization key dongle to your computer without using another port on the computer.


Key Features


Features Radeon RX 5700 eGPU (with 8GB of GDDR6 Video Memory)

Boosts Graphics Performance for Built-in and External Displays

Small and Highly Portable

Supports Up to Three 4K Displays – Including One Thunderbolt Display

Supports Apple Pro Display XDR at full 6K Resolution

Adds USB Type A Ports for Common Peripherals

Charges Your Computer – Provides 60W through the Included Thunderbolt Cable

Thunderbolt Certified

Mac and Linux Compatible

2-year Product Warranty

Free Lifetime Customer Technical Support

Designed in the USA


Highly Portable

When you need GPU acceleration on the go, you can easily pack an eGPU Breakaway Puck with your MacBook in a backpack or computer bag. Connected to your computer with the included Thunderbolt 3 cable, a Puck provides 60W of Power Delivery, which means it will power and charge your computer while connected, even when not in use, allowing you to leave your computer’s power adapter behind. Wherever you use it, the Puck injects big GPU power into your work.

PuckCuff: Zero Desktop Footprint

Using the optional PuckCuff VESA Mounting Bracket Kit (sold separately), you can free up desk space and mount the Puck to the back of a monitor with open VESA mounting holes (VESA 75 and VESA100 hole patterns supported). The bracket is secured with included fasteners and specialized cable ties, and provides simple cable management. To further reduce cable clutter, a 0.5-meter DisplayPort cable is included to connect between the Puck and your display. The kit also includes parts that enable the bracket to be attached to virtually any multi-monitor stand’s upright or monitor arm.

Mac Compatibility


Mac (Intel) with Thunderbolt 3 ports

Accelerate applications and games run on the internaldisplay (or Thunderbolt Display) by selecting the App, selecting Get Info,and checking Prefer External GPU(3)

macOS Catalina 10.15.7+

macOS Big Sur compatible

External GPUs not supported on Thunderbolt 2 or ThunderboltMacs

Apple M1 Macs do not yet support eGPUs

Linux Compatibility


Linux computer with Thunderbolt 3 ports

Linux Kernel 5.0+

Linux has only partial support at this time (can hot plugonly once)

Monitor Compatibility


4K@60Hz monitors using DP or HDMI ports

4K, 5K, and 6K monitors @60Hz using Thunderbolt 3/USB-C port

LG UltraFine 4K and 5K displays

Apple Pro Display XDR

49 5120x1440 Dual QHD monitors using DP port:

Dell Ultrasharp 49 Curved Monitor U4919DW

LG 49 inch 32:9 UltraWide Dual QHD IPS Curved LED Monitor49WL95C-W

Philips Brilliance 32:9 Superwide Curved LCD Display499P9H/27

Samsung 49 CRG9 Dual QHD Curved QLED Gaming MonitorLC49RG90SSNXZA


Part Number


GPU-RX55-TB3-S (eGPU Breakaway Puck Radeon RX 5500 XT)

GPU-RX57-TB3-S (eGPU Breakaway Puck Radeon RX 5700)




Form Factor


Portable external GPU system

Video Memory


Part number GPU-RX55-TB3-S


Part number GPU-RX57-TB3-S


External Connectors


Two Thunderbolt 3

One DisplayPort


Two USB 3.2 Type A

One 4-pin power DIN

Display Connectivity


Thunderbolt 3 Port

4K, 5K or 6K @60Hz Thunderbolt 3 monitor

4K or 5K @60Hz USB-C monitor

4K @60Hz DisplayPort monitor using USB-C to DisplayPortcable or adapter (not included)

Two 4K @60Hz DisplayPort monitors using Sonnet Thunderbolt 3to Dual DisplayPort Adapter (sold separately)

Two 4k @60Hz HDMI monitors using Sonnet Thunderbolt 3 toDual HDMI 2.0 Adapter (sold separately)

DisplayPort 1.4 Port

4K @60Hz monitor

Dual QHD (5120x1440) @60Hz monitor

HDMI 2.0b Port

4K @60Hz monitor

USB Peripheral Connectivity


Cables Supported

With USB Type A connector

Peripherals Supported

Supports all industry standard USB 3, 2.0 and 1.1 devices

Data Transfer Rate

USB 3.2 Gen 1 (aka USB 3.1 Gen 1, USB 3.0): 5Gb/s

Thunderbolt 3 Peripheral Support



Supported Technologies


HDCP 2.2

HDR (High Dynamic Range)

Intelligent Fan Control

OpenCL 2.0

OpenGL 4.5


Power Delivery


Provides laptop charging up to 60W

Power Adapter


Universal 230W, 100-240V AC, 50-60 Hz

Operating Temperatures


0C to 35C (32F to 95F)

Dimensions WxDxH (Puck)


6 x 5.1 x 2 in. (15.2 x 13 x 5.1 cm)

Dimensions WxDxH (Power Supply)


3 x 6.1 x 1.2 in. (7.5 x 15.5 x 3.1 cm)



Puck and Power Supply: 3.25 lbs (1.47 kg)

Complete Package: 4.8 lbs (2.18 kg)



RoHS 3 (Directive 2015/863)

IEC62368-1 and IEC62368-2

PSE Diamond certified power supply

Package Contents


eGPU Breakaway Puck

Power adaper

Power cord

0.5-meter Thunderbolt 3 (40Gbps) cable


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