SustainHash has 57 used Whatsminer m21s units, all hashing between 50 and 55TH. This is a great price point for entry-level Bitcoin miners. Very reliable machines. Our expert repair team has thoroughly tested all units to ensure maximum efficiency.

$50 USD per unit

M21s - 42TH (1 unit)
M21s - 44TH (5 units)
M21s - 46TH (24 units)
M21s - 48TH (25 units)
M21s - 50TH (19 units)
M21s - 52TH (18 units)
M21s - 54TH (5 units)
M21s - 56TH (1 unit)
M21s - 60TH (1 unit)


Palletized and ready to ship or pick up! Located in Edmonton AB.
For more details, message or:
Phone: 1-780-800-5151
Email: info@sustainhash.com

Specs:
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