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Sonnet eGFX Breakaway Box 850 T5 vs Sonnet eGFX Breakaway Box 550: Comparison
Sonnet eGFX Breakaway Box 850 T5 and Sonnet eGFX Breakaway Box 550 separate most on psu wattage: Sonnet eGFX Breakaway Box 850 T5 at 850, Sonnet eGFX Breakaway Box 550 at 550, 35% in favour of Sonnet eGFX Breakaway Box 850 T5. Max GPU Length splits them by another 13%, again favouring Sonnet eGFX Breakaway Box 850 T5.
Specs
| Specification |  |  |
|---|---|---|
| Connection Standard | Thunderbolt 5 | Thunderbolt 3 |
| Brand | Sonnet | Sonnet |
| PSU Wattage | 850 | 550-35% |
| Host Power Delivery | 100 | 87-13% |
| Max GPU Length | 345 | 300-13% |
| Model | eGFX Breakaway Box 850 T5 | eGFX Breakaway Box 550 |
| GPU Compatibility | NVIDIA RTX 50/40/30-series, AMD RX 9000/7000/6000-series | GTX 10-series through RTX 20-series and equivalent AMD cards, double-wide |
Price comparison
| Retailer | Sonnet eGFX Breakaway Box 850 T5 | Sonnet eGFX Breakaway Box 550 |
|---|---|---|
| Amazon | 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
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.
Sonnet eGFX Breakaway Box 550
6 / 10 Expert Rating
A solid early Sonnet box, but the 650 offers more headroom for little extra cost.
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