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Whatsminer M66S
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Whatsminer M66S (300Th)

$3,210.00
Hashrate
300 TH/S
Power
5400 W
Daily Profit
$4.82
ROI
55%
1

Profitability Calculator

Estimate your mining returns based on current market conditions

$/kWh
5400W = 129.6 kWh/day
Daily Profit$4.82
Annual ROI55%
Break-even667 days
Yearly Profit$1,757.82
PeriodRevenueElectricity CostNet ProfitBTC Mined
Daily$10.65$5.83$4.820.000140 BTC
Weekly$74.54$40.82$33.710.000978 BTC
Monthly$319.44$174.96$144.480.0042 BTC
Yearly$3,886.50$2,128.68$1,757.820.0510 BTC

Historical Profitability

Daily profit trends for Bitcoin

Current Daily $4.77
30-Day Average$3.27
Best Day$15.59
Price Change (24h)+0.50%

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Mineable Coins

Cryptocurrencies you can mine with SHA-256

7 coins available
CoinAlgorithmDaily RevenueDaily ProfitDaily Reward
FB
Fractal BitcoinFB
SHA-256$11.22$5.3924.13 FB
DGB
DigiByteDGB
SHA-256$10.99$5.152593.68 DGB
XEC
eCashXEC
SHA-256$10.92$5.091527569.34 XEC
BTC
BitcoinBTC
SHA-256$10.65$4.820.000140 BTC
BCH
Bitcoin CashBCH
SHA-256$10.47$4.640.0233 BCH
PPC
PeercoinPPC
SHA-256$0.00-$5.8338.51 PPC
UNO
UnobtaniumUNO
SHA-256$0.00-$5.833.3355e-7 UNO

Mining Pools for BTC

0.0050.010.0515
FPPS4%
PPLNS2%
0.001
PPS+3%
0.001
PPS+4%
PPLNS2%

Which miner is better for you?

Compare BTC miners with similar hashrate or price

View All BTC Miners →
MinerHashratePowerEfficiencyDaily ProfitPayback PeriodPriceAction
Whatsminer M66S
Whatsminer M66S
MicroBT
Current
300 TH/S5400 W18 J/Th $4.82667 days
$3,210.00
Viewing
Antminer S19 XP+ Hyd
Antminer S19 XP+ Hyd
Bitmain
293 TH/S5567 W19 J/Th $4.39201 days
$879.00-73%
View
Whatsminer M76
Whatsminer M76
MicroBT
354 TH/S5133 W14.5 J/Th $7.02481 days
$3,372.50 - $5,595.00+5%
View
Whatsminer M65S+
Whatsminer M65S+
MicroBT
-17 W- $0.02N/A
$3,385.20 - $3,432.00+5%
View
Whatsminer M72S(282Th)
Whatsminer M72S(282Th)
MicroBT
282 TH/S3807 W13.5 J/Th $5.90880 days
$5,189.00 - $5,190.00+62%
View
Whatsminer M66S

Whatsminer M66S

MicroBT

Current Product
Hashrate

300 TH/S

Power

5400 W

Efficiency

18 J/Th

Daily Profit

$4.82

Antminer S19 XP+ Hyd

Antminer S19 XP+ Hyd

Bitmain

Hashrate

293 TH/S

Power

5567 W

Efficiency

19 J/Th

Daily Profit

$4.39

Whatsminer M76

Whatsminer M76

MicroBT

Hashrate

354 TH/S

Power

5133 W

Efficiency

14.5 J/Th

Daily Profit

$7.02

Whatsminer M65S+

Whatsminer M65S+

MicroBT

Hashrate

-

Power

17 W

Efficiency

-

Daily Profit

$0.02

Whatsminer M72S(282Th)

Whatsminer M72S(282Th)

MicroBT

Hashrate

282 TH/S

Power

3807 W

Efficiency

13.5 J/Th

Daily Profit

$5.90

Better Value Alternative: Antminer S19 XP+ Hyd

Shorter payback period by 466 days at lower price point

Check it out →

Technical Specifications

Performance
ManufacturerMicroBT
ModelWhatsminer M66S (300Th)
Release DateMarch 2024
AlgorithmSHA-256
Hashrate300 TH/S
Power Consumption5400 W
Efficiency18 J/Th
Physical
Weight15.4 kg
Dimensions267x147x401(mm)
Noise Level75 dB
CoolingHydro
Power Requirements
Power Interface2x C19, 20A minimum
Input Voltage380 - 480V
Frequency50/60 Hz
Recommended PSU4000W+
Environment
Operating Temperature0°C ~ 40°C
Storage Temperature-20°C ~ 70°C
Operating Humidity10 - 90 %
Altitude≤2000m

Detailed Overview

Model M66S from MicroBT mining SHA-256 algorithm with a maximum hashrate of 300 TH/S for a power consumption of 5400 W

Key Features

  • 18 J/Th efficiency
  • 300 TH/S hashrate
  • 5400 W power consumption
  • SHA-256 algorithm

Why choose Whatsminer M66S?

The Whatsminer M66S from MicroBT offers exceptional efficiency at 18 J/Th, making it one of the most profitable miners in its class. With a hashrate of 300 TH/S, power consumption of 5400 W, and support for SHA-256 algorithm, it delivers impressive returns. Backed by manufacturer warranty and our professional support team.

Frequently Asked Questions

Get answers to common questions about this miner

На Apr 22, 2026, учитывая стоимость электроэнергии $0.045/KWh, результат расчета для Whatsminer M66S (300Th) следующий:

• Ежедневный доход: $10.599
• Ежедневные затраты на электроэнергию: $5.83
• Ежедневный чистый доход: $4.77

Прогнозируемый доход:
• Ежемесячный чистый доход: $143.01
• Ежегодный чистый доход: $1739.96