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Sonnet eGFX Breakaway Box 850 T5 vs UGREEN LinkStation eGPU Dock: Comparison
Sonnet eGFX Breakaway Box 850 T5 and UGREEN LinkStation eGPU Dock separate most on host power delivery: Sonnet eGFX Breakaway Box 850 T5 at 100, UGREEN LinkStation eGPU Dock at 4, 96% in favour of Sonnet eGFX Breakaway Box 850 T5. Max GPU Length splits them by another 92%, this time favouring UGREEN LinkStation eGPU Dock.
Specs
| Specification |  |  |
|---|---|---|
| Connection Standard | Thunderbolt 5 | OCuLink (64 Gbps) and USB4 (40 Gbps) dual connectivity |
| Brand | Sonnet | UGREEN |
| PSU Wattage | 850 | 850 |
| Host Power Delivery | 100 | 4-96% |
| Max GPU Length | 345-92% | 4090 |
| Model | eGFX Breakaway Box 850 T5 | CM980 LinkStation eGPU Dock |
Verdict
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.
UGREEN LinkStation eGPU Dock
7.5 / 10 Expert Rating
A strong-value, high-wattage dual-connectivity dock from a large, well-established accessories brand — a serious new competitor in the OCuLink space.
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