Whatsminer M56S vs Whatsminer M66S
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Whatsminer M56S | Specification | Whatsminer M66S |
|---|---|---|
| 212.0 TH/s | Taux de hachage | 298.0 TH/s |
| 5,550 W | Consommation électrique | 5,518 W |
| 26.2 J/TH | Efficiency | 18.5 J/TH |
| 50 dB | Niveau de bruit | 50 dB |
| 13.0 kg | Weight | 13.5 kg |
| 18,937 BTU/hr | BTU Output | 18,827 BTU/hr |
| 44/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| MicroBT | Manufacturer | MicroBT |
Profitability Comparison
Whatsminer M56S
Whatsminer M66S
Based on BTC price of $74,317 and current network difficulty as of Mar 17, 2026. Actual results vary.
Verdict
MicroBT's hydro-cooled miners across two generations. The M56S served the previous era while the M66S brings current-gen technology to liquid cooling.
The M66S delivers improved efficiency from newer chips through the same proven liquid cooling approach. For operations with existing hydro infrastructure, the upgrade is worthwhile.
Best For...
Best for Profitability
TieBoth miners produce similar daily profit.
Best for Home Mining
TieBoth miners are equally suitable for home use.
Best for Efficiency
Whatsminer M66S18.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Are MicroBT's hydro units compatible with Bitmain's cooling loops?
Cooling connections may differ between manufacturers. Verify connector types and flow rate requirements before integrating into an existing loop.
Does D-Central repair hydro-cooled Whatsminers?
Yes. D-Central provides repair services for both air-cooled and hydro-cooled Whatsminer models.