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Whatsminer M21 28T – USED

(1 customer review)


Second-hand products.
Minimum order 10PCS

28T Whatsminer

Out Of Stock!


SomeWhatminer M21 28T Miner

Whatsminer M21 28T from MicroBT mining SHA-256 algorithm with a maximum hashrate of 31Th/s for a power consumption of 1860W.

Second-hand products.
Minimum order 10PCS


Manufacturer MicroBT
Model Whatsminer M21
Release August 2019
Size 200 x 300 x 440mm
Weight 7150g
Chip name TSMC
Chip size 12nm
Noise level 75db
Power 1860W
Interface Ethernet
Temperature -5 – 40 °C
Humidity 5 – 95 %

Turning to mining fundamentals, the BTC network is secured by the SHA-256 consensus algorithm.

The most profitable SHA-256 ASIC miners currently available are; the ASICminer 8 Nano Pro, Bitfury Tardis, Bitmain Antminer S17, and MicroBT Whatsminer M215.

There is Two NEW SHA-256 ASIC miners are set to be released later this year, one of them being the StrongU STU-U8, and the other being the MicroBT Whatsminer M21.

Some manufacturers have been known to run new miners on the network prior to shipping.

Network factors that influence mining profitability include; price, block times, difficulty, block reward, and transaction fees.

Looking into electricity costs is also a significant factor when determining profitability for various ASICs.

During the flood season from April to October every year in the Chinese province of Sichuan, electricity drops to a cost of US$0.04 cents/KWh due to the abundance of hydroelectric power.

At this electricity price, all ASICs are currently profitable except the Bitmain Antminer S3.

Additional information

Weight 10 kg

1 review for Whatsminer M21 28T – USED

  1. Cihan

    Kargo Ve PCU fiyatları içinde mi vergi olayı nasıl olur gümrük koşuları nedir bilgi verebilirmisiniz

    • admin

      The price of the goods does not include customs duties.
      We can define this value to customs.

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