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Mantiz Venus MZ-02 vs OWC Mercury Helios 3: Comparison
Mantiz Venus MZ-02 and OWC Mercury Helios 3 separate most on psu wattage: Mantiz Venus MZ-02 at 500, OWC Mercury Helios 3 at 400, 20% in favour of Mantiz Venus MZ-02. Max GPU Length splits them by another 10%, again favouring Mantiz Venus MZ-02. They match on connection standard and cooling type.
Specs
| Specification |  |  |
|---|---|---|
| Connection Standard | Thunderbolt 3 | Thunderbolt 3 |
| Brand | Mantiz | OWC |
| Extra Ports | 3x USB 3.0 Type-A, 1x Gigabit Ethernet, 1x SD card reader, DisplayPort passthrough | None onboard beyond the GPU's own outputs |
| PSU Wattage | 500 | 400-20% |
| Host Power Delivery | 87 | 85-2% |
| Max GPU Length | 324 | 290-10% |
| Cooling Type | Active Fan | Active Fan |
| Model | Venus MZ-02 | Mercury Helios 3 |
| GPU Compatibility | GTX 10-series through RTX 20-series and equivalent AMD cards | GTX 10-series through RTX 20-series, dual-slot cards |
| Price | Launched around $399 (2017) | Launched around $299 (2018) |
Price comparison
| Retailer | Mantiz Venus MZ-02 | OWC Mercury Helios 3 |
|---|---|---|
| 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
Mantiz Venus MZ-02
7 / 10 Expert Rating
Great port selection for a dock-and-eGPU combo, just don't expect current-gen bandwidth.
OWC Mercury Helios 3
6 / 10 Expert Rating
Solid basic Mac eGPU box, superseded by the Helios FX which OWC still actively sells.