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Description
Pro Portable eGPU Dock
Serious GPU Power. Connect LG Ultrafine 5K or Apple 6K Thunderbolt Display.
Portable External GPU (eGPU) Docks for Intel-based Mac computers with Thunderbolt 3 Ports
Pro Graphics Performance Boosters!
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 has a pair of solutions that will instantly boost your Mac’s graphics performance anytime and anywhere you need it. Why not pack a Puck?!
Technical Specifications

Compatibility
Mac Compatibility
- Mac (Intel) with Thunderbolt 3 ports
- macOS Catalina 10.15.7+
- macOS Big Sur compatible
- External GPUs not supported on Thunderbolt 2 or Thunderbolt 1 Macs
- Mac (M1) computers do not support eGPUs
Windows Compatibility
- Not certified for use under Windows.
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
- Dell Ultrasharp Curved 5K Monitor U4021QW
- 49” 5120×1440 Dual QHD monitors using DP port:
- Dell Ultrasharp 49 Curved Monitor U4919DW
- LG 49 inch 32:9 UltraWide Dual QHD IPS Curved LED Monitor 49WL95C-W
- Philips Brilliance 32:9 Superwide Curved LCD Display 499P9H/27
- Samsung 49” CRG9 Dual QHD Curved QLED Gaming Monitor LC49RG90SSNXZA
Hardware
Part Number
- GPU-RX55-TB3-S (eGPU Breakaway Puck Radeon RX 5500 XT)
- GPU-RX57-TB3-S (eGPU Breakaway Puck Radeon RX 5700)
Warranty
- 2-year
Form Factor
- Portable external GPU system
Video Memory
- Part number GPU-RX55-TB3-S
- 4 GB GDDR6
- Part number GPU-RX57-TB3-S
- 8 GB GDDR6
External Connectors
- Two Thunderbolt
- One DisplayPort
- One HDMI
- Two USB 3.2 Type A
- One 4-pin power DIN
Display Connectivity
- Thunderbolt Port
- 4K, 5K or 6K @60Hz Thunderbolt 3 monitor
- 4K or 5K @60Hz USB-C monitor
- 4K @60Hz DisplayPort monitor using USB-C to DisplayPort cable or adapter (not included)
- Two 4K @60Hz DisplayPort monitors using Sonnet Thunderbolt Dual DisplayPort Adapter (sold separately)
- Two 4k @60Hz HDMI monitors using Sonnet Thunderbolt Dual HDMI 2.0 Adapter (sold separately)
- DisplayPort 1.4 Port
- 4K @60Hz monitor
- Dual QHD (5120×1440) @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 Peripheral Support
- Yes
Supported Technologies
- HDCP 2.2
- HDR (High Dynamic Range)
- Intelligent Fan Control
- OpenCL 2.0
- OpenGL 4.5
- Metal
Power Delivery
- Provides laptop charging up to 60W
Power Adapter
- Universal 230W, 100-240V AC, 50-60 Hz
Operating Temperatures
- 0˚C to 35˚C (32˚F to 95˚F)
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)
Weight
- Puck and Power Supply: 3.25 lbs (1.47 kg)
- Complete Package: 4.8 lbs (2.18 kg)
Compliance
- 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
- Documentation
macOS eGPU Info
Official Thunderbolt-connected external graphics card support for the eGPU Breakaway Puck Radeon RX 5500 XT and eGPU Breakaway Puck Radeon RX 5700 is limited to macOS Catalina 10.15.7 (and greater) and Thunderbolt 3 equipped Macs. See the PDF for compatibility details.
Technical Notes
- Apple notebooks with 45-60W AC power adapters may be powered and charged by the eGPU Breakaway Puck, even while gaming. Apple notebooks with AC power adapters rated at 85-100W will accept 60W power from the Puck but will slowly discharge. Connecting bus-powered storage to a laptop will draw additional power that may affect the charging (discharging) rate. When sleeping, any connected computer that supports Thunderbolt 3 charging will be charged to 100% by the Puck.
- Support for four 4K monitors requires a Sonnet Thunderbolt Dual HDMI 2.0 Adapter or Thunderbolt Dual DisplayPort Adapter (both sold separately).
- Ultimate gaming performance is attained by using a display attached to eGPU.
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