eGPU Breakaway Puck Radeon RX 5500XT

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eGPU Breakaway Puck Radeon RX 5500XT
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Mac & Win
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Pro Portable eGPU Dock

Serious GPU Power. Connect LG Ultrafine 5K or Apple 6K Thunderbolt Display.


Second Thunderbolt 3/USB-C port (supports one 4K, 5K, 6K @60Hz monitor, or one Sonnet Thunderbolt 3 Dual Display Adapter)

DisplayPort® 1.4 port (supports one 4K @60Hz monitor)

HDMI® 2.0 port (supports one 4K @60Hz monitor)

Two USB 3.2 Type A ports

60W laptop charging

4GB GDDR6 video memory

30-bit color HDR support



Boosts Graphics Performance for Built-in and External Displays

Accelerates graphic-intensive pro application performance on computers with integrated or low-power discrete graphics processors.

Small and Highly Portable

Measures 6 inches wide by 5.1 inches deep by 2 inches tall, takes up little space on the desktop, fits easily into a computer bag or backpack.

Supports Up to Four 4K Displays

One DisplayPort; one HDMI; plus two DisplayPort or two HDMI using a Sonnet Thunderbolt 3 Dual Display Adapter (sold separately).

Supports Thunderbolt Displays

Supports 4K, 5K, and even the 6K Apple Pro Display XDR.

Adds Connectivity for Common Peripherals

Two USB 3.2 Type A ports provide connections for devices you want to keep connected to the eGPU dock.

Choice of Models

Choose between AMD Radeon RX 5500 XT and Radeon RX 5700 GPUs for the performance to meet your needs.

Charges Your Computer

Provides 60W through the included Thunderbolt 3 cable to power and charge your computer(1) while connected, allowing you to leave your computer’s power adapter behind.

Optional Zero Desktop Footprint

Using the PuckCuff™ VESA Mounting Bracket Kit (sold separately), you can attach the Puck to the back of a monitor with open VESA mounting holes or mount to a multi-monitor stand.

Thunderbolt Certified

Thunderbolt certified for use with Intel-based Mac computers with Thunderbolt 3 ports.


Second Thunderbolt Port Supports Thunderbolt/USB-C Displays

The eGPU Breakaway Puck’s second Thunderbolt port provides both graphics and data to fully support all popular Thunderbolt/USB-C displays.


Also Supports 5K and 6K Displays

Both Pucks provides enough power to drive advanced 5K and 6K displays, even supporting Apple's Pro Display XDR.

USB Peripheral Support

eGPU Breakaway Pucks include two USB 3.2 Type A ports, enabling you to connect peripherals to your computer without using another port on the computer.

Also Ideal as a Graphic-Intensive Gaming Booster

Offers Great Value and Portability for Gaming

An eGPU Breakaway Puck is ideal for enabling graphic-intensive gaming at higher frame rates on your Mac with integrated graphics that otherwise would deliver a poor gaming experience. Accelerated graphics can either be displayed on one, two, three, or four(2) external monitors, or on your computer’s own display.

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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