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

Bulk order? Call/Text US at 209-210-2872‬ or email


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

For credit card payments, please select credit card pricing.

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

Take 5% off your order use code at checkout: YoutubeALBox

Payment type:Wire transfer/Crypto
Available for purchase!


All orders are DDP, which means we pay all of the customs, duties, AND taxes for you.

For bulk orders or questions please contact us at or call us at 209-210-2872

 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%
Goldshell KAS Miners




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