Energy efficiency
13.5 J/TH
3,348 W ÷ 248 TH/s
#20 of 99 in the catalog
ASIC miner · MicroBT Sold by manufacturer: yes
An air-cooled Bitcoin ASIC with 248 TH/s at 3,348 W — 13.5 J/TH, among the most efficient air-cooled models in the catalog.
The Whatsminer M70S is MicroBT's air-cooled model, released in December 2025. At 13.5 J/TH it ranks #20 of 99 in the catalog by efficiency, and 6th of 48 among air-cooled machines.
At 3.3 kW it needs a data center or a dedicated ventilated room, not a living room. It comes in hashrate variants from 226 to 258 TH/s; this page uses the manufacturer's nominal 248 TH/s.
Derived from the specs below, with the formula on every card. Estimates, not a forecast
13.5 J/TH
3,348 W ÷ 248 TH/s
#20 of 99 in the catalog
80.4 kWh
3.35 kW × 24 h
29.3 MWh a year
$8.04
80.4 kWh × $0.10 per kWh
$0.093 / kWh
Estimated daily reward ÷ electricity used per day
As of 13 Nov 2026
Data center
3.35 kW of heat
Home class: up to 50 dB and 1.4 kW, air cooling
74.1 TH/s
248 TH/s ÷ 3.35 kW
Same hashrate, side by side. Scenario: you run the machine yourself, on household electricity. Numbers follow our reward calculator and update daily
Your own machine · 248 TH/s · 13.5 J/TH
248 TH/s · 15 J/TH · runs in our data centers
Break-even electricity price for this model: $0.093 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
16 characteristics, each with its source and the date we checked it. Values are nominal, as published by the manufacturer
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*The bonus miner is subject to vesting and requires a qualifying transaction. Rewards vary and are not guaranteed. See full terms
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