Canaan Avalon A1566HA 2U vs MicroBT Whatsminer M21S
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Canaan Avalon A1566HA 2U | Specification | MicroBT Whatsminer M21S |
|---|---|---|
| 480.0 TH/s | Hashrate | 56.0 TH/s |
| 8,046 W | Power Consumption | 3,360 W |
| 16.8 J/TH | Efficiency | 60.0 J/TH |
| 80 dB | Noise Level | — |
| 20.0 kg | Weight | 12,500.0 kg |
| 27,453 BTU/hr | BTU Output | 11,464 BTU/hr |
| 23/100 | Home Mining Score | 22/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Canaan | Manufacturer | MicroBT |
Profitability Comparison
Canaan Avalon A1566HA 2U
MicroBT Whatsminer M21S
Based on BTC price of $66,355 and current network difficulty as of Mar 29, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Canaan Avalon A1566HA 2U wins on 5 of 6 factors (efficiency, hashrate, home mining score, noise level, price-performance). The MicroBT Whatsminer M21S 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
Canaan Avalon A1566HA 2UScore: 23/100. 80 dB noise level.
Best for Efficiency
Canaan Avalon A1566HA 2U16.8 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Canaan Avalon A1566HA 2U or MicroBT Whatsminer M21S more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Canaan Avalon A1566HA 2U is more profitable at $-4.35/day compared to $-6.32/day for the MicroBT Whatsminer M21S. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Canaan Avalon A1566HA 2U or MicroBT Whatsminer M21S?
The Canaan Avalon A1566HA 2U is quieter at 80 dB compared to the MicroBT Whatsminer M21S at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Canaan Avalon A1566HA 2U or MicroBT Whatsminer M21S?
The Canaan Avalon A1566HA 2U scores 23/100 on our Home Mining Score (vs 22/100 for the MicroBT Whatsminer M21S). 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 Canaan Avalon A1566HA 2U and MicroBT Whatsminer M21S?
The Canaan Avalon A1566HA 2U runs at 16.8 J/TH while the MicroBT Whatsminer M21S runs at 60.0 J/TH — a difference of 43.2 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.