WhatsMiner M66S vs. Bitmain Antminer U3S21EXPH

Which one is better in 2026? In-depth comparison of WhatsMiner M66S and Bitmain Antminer U3S21EXPH

WhatsMiner M66S and Bitmain Antminer U3S21EXPH are two popular asic miners with different costs, ease of use, and compatibility.

We've compared WhatsMiner M66S head-to-head with Bitmain Antminer U3S21EXPH to help you decide which is best for your needs.

	Select a product	Select a product
	WhatsMiner M66S Request for quote	Bitmain Antminer U3S21EXPH Request for quote
Algorithm	SHA256	SHA256
Hash Rate	286 TH/s	860 TH/s
Unit Power	18.5 J/TH	13 J/TH
Power Consumption	5291 W	11180 W
Cooling	Air	Air
Coins	Bitcoin (BTC) Bitcoin Cash (BCH) Bitcoin SV (BSV)	Bitcoin (BTC) Bitcoin Cash (BCH) Bitcoin SV (BSV)