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AOOSTAR EG02 TB5 OCuLink eGPU Dock vs Sonnet eGFX Breakaway Box 650: Comparison
AOOSTAR EG02 TB5 OCuLink eGPU Dock and Sonnet eGFX Breakaway Box 650 separate most on host power delivery: AOOSTAR EG02 TB5 OCuLink eGPU Dock at 140, Sonnet eGFX Breakaway Box 650 at 87, 38% in favour of AOOSTAR EG02 TB5 OCuLink eGPU Dock. PSU Wattage splits them by another 19%, again favouring AOOSTAR EG02 TB5 OCuLink eGPU Dock.
Specs
| Specification |  |  |
|---|---|---|
| Connection Standard | Dual Thunderbolt 5 ports plus OCuLink (PCIe 4.0 x4) | Thunderbolt 3 |
| Brand | AOOSTAR | Sonnet |
| Extra Ports | No integrated Ethernet or M.2 slot on this model | None onboard beyond the GPU's own outputs |
| PSU Wattage | 800 | 650-19% |
| Host Power Delivery | 140 | 87-38% |
| Cooling Type | Open-frame, relies on installed card's own cooler plus chassis airflow | Active Fan |
| Model | EG02 | eGFX Breakaway Box 650 |
| Price | Launched at $219 (2025) | Launched around $449 (2018) |
Price comparison
| Retailer | AOOSTAR EG02 TB5 OCuLink eGPU Dock | Sonnet eGFX Breakaway Box 650 |
|---|---|---|
| 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
AOOSTAR EG02 TB5 OCuLink eGPU Dock
7 / 10 Expert Rating
An aggressively priced early Thunderbolt 5 dock for enthusiasts willing to source their own PSU, though it lacks the built-in convenience of AOOSTAR's AG-series.
Sonnet eGFX Breakaway Box 650
7 / 10 Expert Rating
The right-sized Sonnet box for mid-range Thunderbolt 3 cards, officially Mac-certified.
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