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MicroBT Whatsminer M60S vs MicroBT Whatsminer M66S+

Comparing
two miners
Decided by
Efficiency (J/TH, lower is better)
Last reviewed
2026-08-18
MicroBT Whatsminer M60S3.3

MicroBT's entry point to the current generation: 186 TH/s at 18.5 J/TH for $3,800 to $4,500, and a hedge against running an all-Bitmain fleet.

MicroBT Whatsminer M66S+3.5

A water-cooled workhorse for the farm hedging against Bitmain: 318 TH/s at 16.5 J/TH on universal 100-240V input, with no three-phase upgrade required.

Verdict: MicroBT Whatsminer M66S+

MicroBT Whatsminer M66S+ is the more efficient machine: 16.5 J/TH against 18.5 J/TH for MicroBT Whatsminer M60S, on the rated watts and nominal hashrate each maker publishes.

Criterion
Efficiency (J/TH, lower is better)
MicroBT Whatsminer M60S
18.5 J/TH
MicroBT Whatsminer M66S+
16.5 J/TH

MicroBT Whatsminer M60S and MicroBT Whatsminer M66S+, fact by fact

Every row is from the two reviews as of their review dates, with sources on each. A check marks the side a decidable criterion favours; rows without one are information, not a score.

MicroBT Whatsminer M60S and MicroBT Whatsminer M66S+ compared fact by fact from their reviews; a check marks the side a decidable criterion favours.
FactMicroBT Whatsminer M60SMicroBT Whatsminer M66S+
Efficiency18.5 J/TH16.5 J/TH (favoured on this row)
Editorial rating3.33.5
Hashrate170-186 TH/s depending on batch318 TH/s
Power draw3,441 W5,247 W
Street price$3,800 to $4,500$8,000 to $10,500
Price per TH/s (midpoint)$22.31 (favoured on this row)$29.09
CoolingAirHydro (liquid loop)
Noise75 dBLow, water loop only
Released20242025
Made byMicroBTMicroBT
Best forBeginners who want a reputable second manufacturer at a lower entry priceFarms that want a hydro Bitmain alternative on standard 100-240V power
Last reviewed2026-08-182026-08-18

Frequently asked questions

Is MicroBT Whatsminer M60S or MicroBT Whatsminer M66S+ more efficient?

MicroBT Whatsminer M66S+ is the more efficient machine: 16.5 J/TH against 18.5 J/TH for MicroBT Whatsminer M60S, on the rated watts and nominal hashrate each maker publishes. Efficiency is derived from the record's rated watts and nominal hashrate and never stored, so it cannot disagree with the numbers beside it.

Which is better value, MicroBT Whatsminer M60S or MicroBT Whatsminer M66S+?

MicroBT Whatsminer M60S, at $22.31 per TH/s against $29.09, on the midpoint of each street-price band (MicroBT Whatsminer M60S $3,800 to $4,500, MicroBT Whatsminer M66S+ $8,000 to $10,500) as of the review dates. A cheaper terahash that burns more power costs more over a year at most electricity prices.

Which is quieter, MicroBT Whatsminer M60S or MicroBT Whatsminer M66S+?

MicroBT Whatsminer M60S: 75 dB, air cooling. MicroBT Whatsminer M66S+: Low, water loop only, hydro (liquid loop) cooling. Neither belongs in a room people use; the mining hub covers where each can actually run.

Which is newer, MicroBT Whatsminer M60S or MicroBT Whatsminer M66S+?

MicroBT Whatsminer M66S+, released 2025, against 2024 for MicroBT Whatsminer M60S.

The full reviews: MicroBT Whatsminer M60S and MicroBT Whatsminer M66S+, each with its sources, and every miner we review.

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