Energy efficiency
17.0 J/TH
5,406 W ÷ 318 TH/s
#54 of 99 in the catalog
ASIC miner · MicroBT
MicroBT Whatsminer M66S+
An immersion-cooled Bitcoin ASIC with 318 TH/s at 5,406 W — 17.0 J/TH.
About Whatsminer M66S+
The Whatsminer M66S+ is MicroBT's immersion-cooled model, released in July 2024. At 17.0 J/TH it ranks #54 of 99 in the catalog by efficiency, and 8th of 11 among immersion-cooled machines.
With immersion cooling and 5.4 kW it needs a hosting site or a data center. It comes in hashrate variants from 280 to 318 TH/s; this page uses the manufacturer's nominal 318 TH/s.
What the specs add up to
Derived from the specs below, with the formula on every card. Estimates, not a forecast
Electricity used per day
129.7 kWh
5.41 kW × 24 h
47.4 MWh a year
Electricity cost per day
$12.97
129.7 kWh × $0.10 per kWh
Break-even electricity price
$0.074 / kWh
Estimated daily reward ÷ electricity used per day
As of 13 Nov 2026
Built for
Data center
5.41 kW of heat
Home class: up to 50 dB and 1.4 kW, air cooling
Hashrate per kW
58.8 TH/s
318 TH/s ÷ 5.41 kW
Whatsminer M66S+ or a digital miner with the same 318 TH/s
Same hashrate, side by side. Scenario: you run the machine yourself, on household electricity. Numbers follow our reward calculator and update daily
BTC price · 13 Nov 2026$70,780
Whatsminer M66S+
Your own machine · 318 TH/s · 17.0 J/TH
- Upfront cost
- Not shownNot in the catalog yet — see the manufacturer's store
- Reward per day (est.)
- 0.00014 BTC≈ $9.58 at the same hashrate
- Running cost per day
- $12.975.41 kW × 24 h × $0.10 per kWh
- Net per day (est.)
- −$3.40At your electricity price
- Delivery and setup
- Shipping, customs, pool setup
- Noise and heat
- 5.41 kW of heat at your place
GoMining digital miner
318 TH/s · 15 J/TH · runs in our data centers
- Upfront cost
- $3,628318 TH × $11.41 per TH
- Reward per day (est.)
- 0.00014 BTC≈ $9.58
- Running cost per day
- $8.55Daily maintenance fee: electricity and service
- Net per day (est.)
- $1.02After the maintenance fee
- Delivery and setup
- Nothing to ship — runs in the app
- Noise and heat
- Nothing at your place
Break-even electricity price for this model: $0.074 per kWh. Above it, electricity costs more than the estimated reward
Estimates, not a forecast. Based on the BTC price, network difficulty and GoMining fees as of 13 Nov 2026; specs as published by the manufacturer. Assumes the machine runs 24/7 with no pool fee; industrial hosting is a different calculation. The digital miner's fee is shown before discounts. Mining rewards vary and are not guaranteed; they may fall below fees. Not investment advice. See terms
Whatsminer M66S+ specifications
16 characteristics, each with its source and the date we checked it. Values are nominal, as published by the manufacturer
- Published spec
- Calculated by GoMining
- Not found
- Manufacturer
- MicroBT
- Model
- Whatsminer M66S+
- Algorithm
- SHA-256 (Bitcoin)
- Energy efficiency
- 17.0 J/TH
- Calculated
- Sold by manufacturer
- —
- Not found · 16 Oct 2026
- Noise level
- Not applicable
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