The immersion-only top-bin of the older 5 nm M50 generation - noticeably less efficient (~22 J/TH) than the newer M60-series units. Fans removed, submerged in dielectric fluid; three-phase power. MARA's fleet runs these in the ~262-268 TH/s top-bin range.
Troubleshooting
Every Whatsminer fault code for the M30 / M50 / M60 Series family.
7 codesComponents, tools, and firmware for the M30 / M50 / M60 Series family.