The M60-generation IMMERSION unit - often mislabeled 'hydro' by retailers, but it is submerged with no fans. Rated 270-298 TH/s at ~18.5 J/TH; MARA runs these de-tuned to ~260-268 TH/s for efficiency. Three-phase, dielectric-fluid tank. Node not officially confirmed (5 nm-class).

Troubleshooting
Every Whatsminer fault code for the M30 / M50 / M60 Series family.
7 codesComponents, tools, and firmware for the M30 / M50 / M60 Series family.