Consumercarts is reader-supported. Learn more
AOOSTAR AG02 vs OWC Mercury Helios 3: Comparison
AOOSTAR AG02 and OWC Mercury Helios 3 separate most on psu wattage: AOOSTAR AG02 at 800, OWC Mercury Helios 3 at 400, 50% in favour of AOOSTAR AG02.
Specs
| Specification | ![]() | ![]() |
|---|---|---|
| Connection Standard | OCuLink | Thunderbolt 3 |
| Brand | AOOSTAR | OWC |
| PSU Wattage | 800 | 400-50% |
| Cooling Type | Open-Air | Active Fan |
| GPU Compatibility | GTX 10-Series Through RTX 4090 | GTX 10-series through RTX 20-series, dual-slot cards |
| Price | Under $200 | Launched around $299 (2018) |
Price comparison
| Retailer | AOOSTAR AG02 | OWC Mercury Helios 3 |
|---|---|---|
| Amazon | View on 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 AG02
7 / 10 Expert Rating
The fastest eGPU link you can buy for under $200, with a power button that does not work.
OWC Mercury Helios 3
6 / 10 Expert Rating
Solid basic Mac eGPU box, superseded by the Helios FX which OWC still actively sells.




