WhatsMiner M66S vs WhatsMiner M69S++

We are comparing two devices from MicroBT — models WhatsMiner M66S (November 2023) and WhatsMiner M69S++ (December 2025). The unified algorithm (SHA-256) allows switching between coins (Bitcoin, Fractal Bitcoin, Bitcoin Cash, BitcoinSV, Terracoin, Namecoin) on both ASICs, but maximum profit is currently achieved when mining Bitcoin, Fractal Bitcoin. The MicroBT WhatsMiner M66S lineup includes 16 modifications: starting performance is 270Th, while top solutions reach 300Th. MicroBT WhatsMiner M69S++ has several versions, with hashrate starting from 818Th and going up to 906Th. The difference in 606 Th shows the advantage of one model, but it's also worth paying attention to the efficiency of the models. Model WhatsMiner M66S has an efficiency of 18.5 j/Th and WhatsMiner M69S++ has 15.5 j/Th. The power consumption of MicroBT WhatsMiner M66S 300Th is 5550 Watts. MicroBT WhatsMiner M69S++ 906Th, in turn, consumes 14043 Watts. Miner WhatsMiner M66S (Immersion) will significantly differ in noise level from WhatsMiner M69S++ (Hydro). Compare 2 offers for MicroBT WhatsMiner M66S from verified suppliers. Right now, the 300Th configuration can be purchased at the minimum price of 239000 RUB. Currently, there are no MicroBT WhatsMiner M69S++ offers on the platform. If you are interested in this model, you can contact us or one of the verified companies listed on our platform.