MicroBT Whatsminer M21S SHA-256 Miner

SKU: M21s Categories: Asic Miners, SHA-256 Miner

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US$3,599.00

Rated 4.00 out of 5 based on 1 customer rating

(1 customer review)

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Model Whatsminer M21S from MicroBT mining SHA-256 algorithm with a maximum hashrate of 56Th/s for a power consumption of 3360W.

Specifications

Manufacturer	MicroBT
Model	Whatsminer M21S
Release	June 2019
Size	155 x 240 x 390mm
Weight	12500g
Chip name	TSMC
Chip size	12nm
Noise level	75db
Fan(s)	2
Power	3360W
Interface	Ethernet
Temperature	5 – 45 °C
Humidity	5 – 95 %

MicroBT Whatsminer M21s

Algorithm
SHA256
Hashrate
56Th/s
Consumption
3360W

Minable coins with Whatsminer M21s

Bitcoin
BitcoinCash

Minable pools for Whatsminer M21s

NiceHash
Antpool
SlushPool
Poolin
ViaBTC

Bitcoin Miner

MicroBT Whatsminer M21S mining the SHA 256 algorithm has a maximum hash rate of 56Th/s at a power consumption of 3360W. Weighing 12.5 kgs, Whatsminer M21S gives an efficiency of 60j/Th. The recommended temperature for Whatsminer M21S is 5 – 45 °C and the humidity is 5 – 95 %.

Launched in June 2019 by the popular mining hardware company, MicroBT, Whatsminer M21S is an innovative Bitcoin miner that is widely used. Equipped with two high-speed fans, Whatsminer M21S dissipates heat instantly while delivering an optimal performance. Built with an air-cooling system, Whatsminer M21S generates a noise level of 75db.

Order Processing: All orders are processed and dispatched within 48 hours after verified full payment, unless otherwise stated. Bulk orders may require an additional 1–2 business days for handling.
Shipping Carriers: We ship exclusively via reputable international carriers such as DHL Express, UPS, FedEx, ARAMEX, and TNT. Bank transfer clearing times vary by bank and location. Cryptocurrency payments are typically confirmed within 1 business day.
Estimated Delivery: Standard international shipping usually takes 4–7 business days to arrive after dispatch. Actual delivery may be affected by customs clearance and local carrier conditions, with total delivery time ranging from 8–10 business days.

Accepted Payments: We accept payments by Bank Transfer (Wire) and cryptocurrencies supported at checkout. All prices are displayed in U.S. Dollars (USD).
Cryptocurrency Payments: Due to market volatility, cryptocurrency payments are calculated at the current exchange rate displayed at checkout. The final payable amount is confirmed at the time of payment.

Customs & Delivery: Shipments are managed through DHL, UPS, FedEx, ARAMEX, and TNT for most international destinations.
DDP Option: We offer Delivery Duty Paid (DDP) service in select countries, which covers customs, duties, and taxes in the purchase price. Advance arrangement is required - please contact info@cryptominerbros.com for details.
Returns to Hong Kong: If a product must be returned to Hong Kong, the customer is responsible for all related shipping fees as outlined in our Returns & Refund Policy.

1 review for MicroBT Whatsminer M21S SHA-256 Miner

Rated 4 out of 5

Gilbert Glisson – November 26, 2025

The information about the equipment made deciding what to buy much simpler. I only had to check a few specs on the manufacturers’ websites, but overall everything was very informative. Plus, the prices were hard to beat.

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