MicroBT Whatsminer M21 vs Whatsminer M50S++
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| MicroBT Whatsminer M21 | Specification | Whatsminer M50S++ |
|---|---|---|
| 31.0 TH/s | Hashrate | 160.0 TH/s |
| 1,860 W | Power Consumption | 3,520 W |
| 60.0 J/TH | Efficiency | 22.0 J/TH |
| — | Noise Level | 75 dB |
| 7,150.0 kg | Weight | 13.5 kg |
| 6,346 BTU/hr | BTU Output | 12,010 BTU/hr |
| 28/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| MicroBT | Manufacturer | MicroBT |
Profitability Comparison
MicroBT Whatsminer M21
Whatsminer M50S++
Based on BTC price of $74,054 and current network difficulty as of Mar 17, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Whatsminer M50S++ wins on 4 of 5 factors (efficiency, hashrate, home mining score, noise level). The MicroBT Whatsminer M21 holds the edge in power consumption. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Best For...
Best for Profitability
TieBoth miners produce similar daily profit.
Best for Home Mining
Whatsminer M50S++Score: 30/100. 75 dB noise level.
Best for Efficiency
Whatsminer M50S++22.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the MicroBT Whatsminer M21 or Whatsminer M50S++ more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Whatsminer M50S++ is more profitable at $-3.31/day compared to $-3.47/day for the MicroBT Whatsminer M21. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the MicroBT Whatsminer M21 or Whatsminer M50S++?
The Whatsminer M50S++ is quieter at 75 dB compared to the MicroBT Whatsminer M21 at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the MicroBT Whatsminer M21 or Whatsminer M50S++?
The Whatsminer M50S++ scores 30/100 on our Home Mining Score (vs 28/100 for the MicroBT Whatsminer M21). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
What is the efficiency difference between MicroBT Whatsminer M21 and Whatsminer M50S++?
The MicroBT Whatsminer M21 runs at 60.0 J/TH while the Whatsminer M50S++ runs at 22.0 J/TH — a difference of 38.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.