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Plugable Thunderbolt 5 AI eGPU Enclosure & Dock vs Sonnet eGFX Breakaway Box 850 T5: Comparison
Plugable Thunderbolt 5 AI eGPU Enclosure & Dock and Sonnet eGFX Breakaway Box 850 T5 separate most on host power delivery: Plugable Thunderbolt 5 AI eGPU Enclosure & Dock at 96, Sonnet eGFX Breakaway Box 850 T5 at 100, 4% in favour of Sonnet eGFX Breakaway Box 850 T5. Max GPU Length splits them by another 0%, this time favouring Plugable Thunderbolt 5 AI eGPU Enclosure & Dock.
Specs
| Specification |  |  |
|---|---|---|
| Connection Standard | Thunderbolt 5, 80Gbps (backward compatible with Thunderbolt 4 / USB4); internal PCIe Gen 4 x4 slot | Thunderbolt 5 |
| Brand | Plugable | Sonnet |
| PSU Wattage | 850 | 850 |
| Host Power Delivery | 96-4% | 100 |
| Max GPU Length | 346 | 3450% |
| Model | TBT5-AI | eGFX Breakaway Box 850 T5 |
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 850 T5
9 / 10 Expert Rating
The Thunderbolt 5 performance leader — 92% of desktop GPU performance, triple-wide support up to 345mm, and single-cable 100W charging.
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