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Mantiz Saturn Pro II MZ-03 vs Sonnet eGFX Breakaway Box 850 T5: Comparison

Mantiz Saturn Pro II MZ-03 and Sonnet eGFX Breakaway Box 850 T5 track each other closely enough on paper that the specifications alone will not decide which external gpu enclosure to buy.

Mantiz Saturn Pro II MZ-03 (Thunderbolt 3 eGPU Enclosure / Built-in 2.5" SATA Bay / Full-Length GPU Support / ~$299)
MantizMantiz Saturn Pro II MZ-03
Sonnet eGFX Breakaway Box 850 T5 (Thunderbolt 5 / 850W PSU / 100W Laptop Charging / Triple-Wide GPU up to 345mm / NVIDIA RTX 50/40/30 & AMD RX 9000/7000/6000)
SonnetSonnet eGFX Breakaway Box 850 T5

Specs

These products are in different categories and don't share enough specifications to compare meaningfully.

Verdict

Mantiz Saturn Pro II MZ-03

7 / 10 Expert Rating

A cheaper eGPU box with a storage bay nobody else offers, if you can live with less PSU headroom.

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.

More comparisons in External GPU Enclosures