
eGPU Breakaway Puck RX 5500 XT (Portable eGPU Dock System)
Part No. GPU-RX55-TB3-S
Pro Portable eGPU Dock
Serious GPU Power. Connect LG UltraFine 5K or Apple 6K Thunderbolt Display.
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 Mac® 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 Radeon™ 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 Mac's graphics performance anytime and anywhere you need it.
***Note that updating from macOS 12.2 to macOS 12.3 creates a temporary compatiblity issue with eGPUs that we expect Apple to quickly resolve.***

Multi-display Graphics Dock
Leveraging macOS® extended desktop mode, the eGPU Breakaway Puck supports up to four 4K displays at the same time (fourth display requires a a Sonnet Thunderbolt 3 Dual Display Adapter; sold separately), 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 3.2 Type A ports, enabling you to connect peripherals to your Mac without using another port on the computer.
Key Features
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Features Radeon RX 5500 XT GPU (with 4GB 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 Two USB 3.2 Type A Ports for Common Peripherals
- Charges Your Computer – Provides 60W through the Included Thunderbolt Cable
- Thunderbolt Certified
- Mac (Intel®) and Linux Compatible (Apple M1 Macs do not yet support eGPUs)
- 2-year Product Warranty
- Free Lifetime Customer Technical Support
- Designed in the USA
Note: Not certified for use under Windows; see tech note for information
Highly Portable
When you need GPU acceleration on the go, you can easily pack an eGPU Breakaway Puck with your MacBook Air or MacBook Pro in a backpack or computer bag. Connected to your Mac 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.
PuckCuff sold separately
For complete computer and monitor compatibility please visit product's technical specifications.
WARNING: California's Proposition 65
Product specifications and information subject to change without notice. Computer hardware and accessories featured in photos that are not included with product are shown for illustration purposes; items sold separately.