MicroBT Whatsminer M21

Whatsminer M21 profitability insights powered by real-time data: Discover how much your Whatsminer M21 can earn using our advanced ASIC miner calculator. We use live mining reward data and automatically factor in electricity costs, giving you a clear overview of your potential daily, monthly, and yearly returns.

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Released: August 2019
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Manufactured by
MicroBT
MicroBT Whatsminer M21
Realtime Mining Profit
$-2.17/day
31TH/s
Hashrate
1860W
Power

Profitability Analysis

Live Data

Here you can see a detailed analysis of miner profitability, updated in real-time.

Current BTC Price $101,786.00
Period Income Expense Profit
Daily
$1.40 $3.57
$-2.17
Monthly
$42.04 $107.14
$-65.10
Yearly
$511.44 $1,303.49
$-792.05
No Offer available

About the MicroBT Whatsminer M21 (31TH/s)

Learn more about this ASIC miner, including its specifications, performance, energy consumption, and profitability.

The MicroBT Whatsminer M21 arrives like a precise instrument forged for the alchemy of SHA-256, offering a steady 31 TH/s while drawing about 1860 W from the grid and achieving roughly 0.06 J/GH, a balance of brute hashing and economical energy draw that makes it attractive to solo hobbyists and professional rack operators alike; built-in power supply and robust thermal management simplify installation and lower the barrier to entry, while its ASIC architecture is tailored to mine Bitcoin and allied coins sharing the SHA-256 family-Bitcoin Cash, Bitcoin SV, Namecoin, Ecash, Fractal Bitcoin and Peercoin-so operators can pivot across chains as conditions dictate. In practical terms the M21 rewards careful site planning: reliable mains, ventilation, rack space and monitoring for temperature and uptime will protect hashing continuity and ROI, and using pooled mining, firmware updates and quality cooling will maximize long-term performance. To translate raw hashes into operational decisions, a comprehensive profit calculator that models your hashrate, current network difficulty, block rewards and pool fees alongside electricity consumption and local rates will produce daily, monthly and annual yield projections to help compare setups, optimize energy strategies and decide whether to scale, diversify coin targets, or focus on efficiency improvements that tilt marginal gains into consistent advantage.

Discover Which Coins This Miner Can Mine

Explore the cryptocurrencies that can be mined using MicroBT Whatsminer M21 (31TH/s), including detailed profitability.

Currency Converter

Calculate the mineable coins to any currency.

Rate is for reference only. Updated just now.
Coin Income/Day Profit/Day
$1.31 $
0.00001289 Bitcoin Logo
$-2.26 $
-0.00002220 Bitcoin Logo
$1.30 $
0.00001286 Bitcoin Logo
$-2.27 $
-0.00002241 Bitcoin Logo
$1.28 $
0.00253466 Bitcoin Cash Logo
$-2.29 $
-0.00455161 Bitcoin Cash Logo
$1.40 $
3.49 Fractal Bitcoin Logo
$-2.17 $
-5.41136060 Fractal Bitcoin Logo

Historical Mining Performance

View the performance trends of MicroBT Whatsminer M21 (31TH/s) over weekly, monthly, and yearly timeframes.

Historical Profitability

View the historical income and profit trends for this miner.

SHA-256 Miner Generations

Evolution of cryptocurrency mining hardware throughout the years, with the current generation highlighted for reference.

More Information about the

Learn more about the MicroBT Whatsminer M21 (31TH/s)

The MicroBT WhatsMiner M21 is a purpose-built SHA-256 ASIC that produces a steady 31 TH/s while drawing roughly 1860 W and delivering about 0.06 J/GH, positioning it as a high-throughput, energy-aware choice for mining Bitcoin and SHA-256 siblings such as Bitcoin Cash, Bitcoin SV, Namecoin, Ecash, Fractal Bitcoin and Peercoin; its 12 nm ASIC core, dual high-speed fans and aluminum-alloy shell form a compact thermal-management package, while the integrated power supply simplifies cabling at the cost of demanding a stable incoming feed, and firmware that allows voltage tuning alongside automatic thermal throttling gives experienced operators the levers to tune efficiency versus reliability. Operationally this combination implies clear site requirements: disciplined electrical provisioning and surge protection or conditioning to prevent brownouts, structured airflow and rack spacing to avoid heat recirculation, acoustic mitigation where noise matters, and a maintenance cadence that anticipates fan replacement and PSU health-treat spare parts and firmware rollbacks as inventory items rather than afterthoughts. From a systems-strategy perspective, maximize long-term output by combining pooled mining for steadier revenue, proactive firmware updates that close vulnerabilities and refine power curves, and continuous monitoring of hash rate, temperature and uptime so that automated alerts can trigger rapid intervention; use a profitability model that integrates your measured hashrate, current network difficulty, block rewards, pool fees and actual measured power draw to produce daily, monthly and annual projections and run sensitivity analyses against difficulty shifts and utility rate changes to determine break-even horizons and whether to scale, diversify coin targets, or invest in efficiency upgrades. Consider also site-level optimizations such as grouping units to enable waste-heat capture, negotiating power delivery terms to lower effective energy cost per terahash, and planning for decommissioning or resale paths as network economics evolve. Above the metrics and checklists, treat the miner as a body at the threshold between life and silence: every watt sustains its work, every compromised connection risks the void, and the disciplined interplay of cooling, power stability and operational governance is what separates resilient, long-term hash production from intermittent, costly downtime.

Where to Buy?

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No Offers Available

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Technical Specifications

Detailed hardware specifications and mining capabilities for MicroBT Whatsminer M21

Basic Information

Brand
MicroBT
Model
Whatsminer M21
Release Date
August 2019
Algorithm
SHA-256

Performance

Hashrate
31 TH/s
Power Consumption
1860W
Noise Level
75dbdB
Voltage
100-240VV

Physical Dimensions

Size
200 x 300 x 440mmmm
Weight
7150gkg
Interface
Ethernet
Humidity
5 - 90 %%
Cooling
Air

Mineable Cryptocurrencies

Bitcoin
BTC
Bitcoin
Bitcoin Cash
BCH
Bitcoin Cash
Fractal Bitcoin
FB
Fractal Bitcoin

Algorithm Information: SHA-256

Learn more about the SHA-256 algorithm and how it works.

SHA-256 is a cryptographic hash function that serves as the backbone of Fractal Bitcoin proof-of-work consensus mechanism. This algorithm processes input data of any length and produces a fixed hash value, ensuring security and integrity in the mining process.

Crypto Mining Pools

Connect to the most reliable mining pools and maximize your crypto mining efficiency with optimized uptime and profitability.

Pool Fee & Payment Connect
NiceHash pool logo
Reseller
F2Pool pool logo
4% FPPS 2% PPLNS
ViaBTC pool logo
4% PPS+ 2% PPLNS
AntPool pool logo
4% FPPS 2% PPLNS
EMCD pool logo
1.5% FPPS
Kryptex pool logo
3% PPS+
BinancePool pool logo
2.5%

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Frequently Asked Questions

Everything you need to know about the MicroBT Whatsminer M21

How efficient is the MicroBT Whatsminer M21 31TH/s?

The efficiency of the MicroBT Whatsminer M21 31TH/s is 60.00 J/TH with a hashrate of 31TH/s and power consumption of 1860W.

What are the electricity costs for the MicroBT Whatsminer M21 31TH/s (USD)?

The MicroBT Whatsminer M21 31TH/s consumes $3.57 daily, $107.14 monthly, and $1,303.49 yearly in electricity costs.

How much power does the MicroBT Whatsminer M21 31TH/s use?

The MicroBT Whatsminer M21 31TH/s uses 1860W of electricity.

Who manufactures the Whatsminer M21?

The Whatsminer M21 is manufactured by MicroBT.

What is the hashrate of the MicroBT Whatsminer M21?

The MicroBT Whatsminer M21 has a hashrate of 31TH/s using the SHA-256 algorithm.

Which cryptocurrencies can be mined with the MicroBT Whatsminer M21 31TH/s?

The MicroBT Whatsminer M21 31TH/s can mine the following cryptocurrencies:

NiceHash NiceHash (BTC) Bitcoin Bitcoin (BTC) Bitcoin Cash Bitcoin Cash (BCH) Fractal Bitcoin Fractal Bitcoin (FB)

Is the MicroBT Whatsminer M21 31TH/s a profitable miner?

As of November 12, 2025 with an electricity cost of $0.08 the MicroBT Whatsminer M21 31TH/s generates $-2.17 daily, $-65.10 monthly, and $-792.05 yearly.
BTC $101,250.00 ↘1.95%
ALPH $0.138700 ↗6.22%
KAS $0.048320 ↗0.07%
ETC $15.22 ↘1.19%
LTC $97.85 ↘0.57%
DOGE $0.169100 ↘0.4%
RXD $0.000171 ↗0.76%
BCH $503.96 ↗0.33%
CKB $0.003153 ↘1.32%
HNS $0.003381 ↘0.67%
KDA $0.040390 ↗22.35%
SC $0.001940 ↘1.01%
ALEO $0.223500 ↘2.22%
FB $0.401100 ↗0.93%
XMR $384.76 ↗3.49%
SCP $0.028080 ↘4.96%
BELLS $0.179100 ↘1.94%
XTM $0.003997 ↗3.59%
ZEC $491.36 ↗6.82%
BTC $101,250.00 ↘1.95%
ALPH $0.138700 ↗6.22%
KAS $0.048320 ↗0.07%
ETC $15.22 ↘1.19%
LTC $97.85 ↘0.57%
DOGE $0.169100 ↘0.4%
RXD $0.000171 ↗0.76%
BCH $503.96 ↗0.33%
CKB $0.003153 ↘1.32%
HNS $0.003381 ↘0.67%
KDA $0.040390 ↗22.35%
SC $0.001940 ↘1.01%
ALEO $0.223500 ↘2.22%
FB $0.401100 ↗0.93%
XMR $384.76 ↗3.49%
SCP $0.028080 ↘4.96%
BELLS $0.179100 ↘1.94%
XTM $0.003997 ↗3.59%
ZEC $491.36 ↗6.82%
BTC $101,250.00 ↘1.95%
ALPH $0.138700 ↗6.22%
KAS $0.048320 ↗0.07%
ETC $15.22 ↘1.19%
LTC $97.85 ↘0.57%
DOGE $0.169100 ↘0.4%
RXD $0.000171 ↗0.76%
BCH $503.96 ↗0.33%
CKB $0.003153 ↘1.32%
HNS $0.003381 ↘0.67%
KDA $0.040390 ↗22.35%
SC $0.001940 ↘1.01%
ALEO $0.223500 ↘2.22%
FB $0.401100 ↗0.93%
XMR $384.76 ↗3.49%
SCP $0.028080 ↘4.96%
BELLS $0.179100 ↘1.94%
XTM $0.003997 ↗3.59%
ZEC $491.36 ↗6.82%