Used whatsminer M21S(54T,56T,58T), 20 units each! All Sales are final.

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Pricing includes ALL duties, taxes & delivery in the USA.

Bulk order? Call/Text Darren (415) 480-9295 or email

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Due to the volatile nature of cryptocurrency, all sales are final.

Payment type:Wire transfer/Crypto
Available for purchase!



PLEASE READ, each order contains 20 units.  These items are USED and are NOT returnable, and are sold AS IS without a warranty.  

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

Device Specifications:

  • Manufacturer: MicroBT
  • Model: Whatsminer M21S
  • Release Date: June 2019
  • Dimensions: 6.1 x 9.45 x 15.35 inches (155 x 240 x 390mm)
  • Weight: 27.56 pounds (12500g)
  • Chip Name: TSMC
  • Chip Size: 12nm
  • Noise Level: 75db
  • Number of Fans: 2
  • Power Consumption: 3360W
  • Connection Type: Ethernet
  • Operating Temperature Range: 41 - 113 °F (5 - 45 °C)
  • Humidity Range: 5 - 95%

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