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Plugable Thunderbolt 5 AI eGPU Enclosure & Dock vs Sonnet eGFX Breakaway Box 650: Comparison
Plugable Thunderbolt 5 AI eGPU Enclosure vs Sonnet eGFX Breakaway Box 650 cooling type compared
They are built to different briefs, and cooling type shows it, Plugable Thunderbolt 5 AI eGPU Enclosure Single internal enclosure fan; GPU must supply its own... against Sonnet eGFX Breakaway Box 650 Active Fan. Psu wattage runs the same way, 850 W on the Plugable Thunderbolt 5 AI eGPU Enclosure versus 650 W on the Sonnet eGFX Breakaway Box 650, another win for Plugable Thunderbolt 5 AI eGPU Enclosure. Max gpu length runs the same way, 346 mm on the Plugable Thunderbolt 5 AI eGPU Enclosure versus 310 mm on the Sonnet eGFX Breakaway Box 650, another win for Plugable Thunderbolt 5 AI eGPU Enclosure.
Who each one is for
Take the Plugable Thunderbolt 5 AI eGPU Enclosure for prosumers running local LLM inference or other AI workloads on a full-size consumer/workstation GPU outside a desktop tower. It is equally the pick for Windows 11 users with a genuine Thunderbolt 5 host port who want to avoid supplying a separate PSU. It is the wrong buy for macOS or Linux users, the enclosure is Windows 11 only at launch. The Sonnet eGFX Breakaway Box 650 suits RTX 3060/3070-class double-wide card builds on Thunderbolt 3. It also earns its place with Mac users wanting official Apple eGPU certification on a mid-tier budget. Avoid it for RTX 3080 Ti/3090 or RTX 40-series cards that want more PSU headroom.
Which is cheaper, Plugable Thunderbolt 5 AI eGPU Enclosure or Sonnet eGFX Breakaway Box 650?
The Plugable Thunderbolt 5 AI eGPU Enclosure asks 40% more, $630 against $449 for the Sonnet eGFX Breakaway Box 650.
Frequently asked questions
Do the Plugable Thunderbolt 5 AI eGPU Enclosure and Sonnet eGFX Breakaway Box 650 differ on host power delivery?
Yes. Host Power Delivery reads 96 W on the Plugable Thunderbolt 5 AI eGPU Enclosure versus 87 W on the Sonnet eGFX Breakaway Box 650.
Which is cheaper, Plugable Thunderbolt 5 AI eGPU Enclosure or Sonnet eGFX Breakaway Box 650?
The Plugable Thunderbolt 5 AI eGPU Enclosure asks 40% more, $630 against $449 for the Sonnet eGFX Breakaway Box 650.
Specs and benchmarks
Brand
- Plugable Thunderbolt 5 AI eGPU Enclosure & Dock
- Plugable
- Sonnet eGFX Breakaway Box 650
- Sonnet
Connection Standard
- Plugable Thunderbolt 5 AI eGPU Enclosure & Dock
- Thunderbolt 5, 80Gbps (backward compatible with Thunderbolt 4 / USB4); internal PCIe Gen 4 x4 slot
- Sonnet eGFX Breakaway Box 650
- Thunderbolt 3
Model Number
- Plugable Thunderbolt 5 AI eGPU Enclosure & Dock
- TBT5-AI
- Sonnet eGFX Breakaway Box 650
- eGFX Breakaway Box 650
Extra Ports
- Plugable Thunderbolt 5 AI eGPU Enclosure & Dock
- 1
- Sonnet eGFX Breakaway Box 650
- None onboard beyond the GPU's own outputs
PSU Wattage
- Plugable Thunderbolt 5 AI eGPU Enclosure & Dock
- 850 WBest
- Sonnet eGFX Breakaway Box 650
- 650 W-24%
Host Power Delivery
- Plugable Thunderbolt 5 AI eGPU Enclosure & Dock
- 96 WBest
- Sonnet eGFX Breakaway Box 650
- 87 W-9%
Max GPU Length
- Plugable Thunderbolt 5 AI eGPU Enclosure & Dock
- 346 mmBest
- Sonnet eGFX Breakaway Box 650
- 310 mm-10%
Cooling Type
- Plugable Thunderbolt 5 AI eGPU Enclosure & Dock
- Single internal enclosure fan; GPU must supply its own cooling solution
- Sonnet eGFX Breakaway Box 650
- Active Fan
Price
- Plugable Thunderbolt 5 AI eGPU Enclosure & Dock
- $629.99 launch price, enclosure only (GPU sold separately)
- Sonnet eGFX Breakaway Box 650
- Launched around $449 (2018)
Which one should you pick?
Choose Plugable Thunderbolt 5 AI eGPU Enclosure & Dock if you want the higher PSU wattage (850 W vs 650 W), the higher host power delivery (96 W vs 87 W) and the higher max GPU length (346 mm vs 310 mm).
Choose Sonnet eGFX Breakaway Box 650 if you already have it on hand or find it at a lower price.
Price comparison
| Retailer | Plugable Thunderbolt 5 AI eGPU Enclosure & Dock | Sonnet eGFX Breakaway Box 650 |
|---|---|---|
| Amazon | $629.99 View on Amazon | $449.00 View on Amazon |
Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.
Verdict
Plugable Thunderbolt 5 AI eGPU Enclosure & Dock
7 / 10 Expert Rating
A genuinely differentiated, well-specced Thunderbolt 5 eGPU box for local-AI GPU hosting, but it's brand new, Windows-only, and still awaiting independent benchmarking, treat the manufacturer's numbers as a starting point, not a verified ceiling.
Sonnet eGFX Breakaway Box 650
7 / 10 Expert Rating
The right-sized Sonnet box for mid-range Thunderbolt 3 cards, officially Mac-certified.




