This is a great miner and works flawlessly! I ran this for several months until just recently when I pulled this from service. It has been lightly cleaned and is ready to ship. 

While I don't allow returns, please read my feedback and purchase with confidence that you will receive a unit that is exactly as described. 

Additional Product information:

Antminer S21 Is Manufactured By Bitmain And it’s mining SHA-256 algorithm which running maximum hashrate of 195Th/s with a power consumption of only 3412W.

Specifications

ManufacturerBitmain
ModelAntminer S21 195Th/s
ReleaseMarch 2024
Size w/o400 X 195 X 290mm
Size with570 X 316 X 430mm
Weight Net15400g
Weight Gross17100g
Noise level75db
Fan(s)4
Power3412W
Voltage220-277
InterfaceEthernet
Storage Temp.-20-70
Temperature0 – 45 °C
Humidity10 – 90 %

More About Bitmain Antminer S21 Bitcoin Miner (195Th/s)

Brilliant Bitcoin Miner

Known for its high-quality hardware, Bitmain launches its recent innovative Bitcoin Miner, Antminer S21. It has an excellent hash rate of 195Th/s at a power consumption of only 3412W, enabling miners to mine Bitcoin efficiently. The recommended atmospheric temperature for Bitmain Antminer S21 is 0 – 45 °C.

Bitmain Antminer S21, mining the SHA-256 algorithm, is a brilliant Bitcoin miner with an excellent air cooling system. Equipped with two high-speed fans, the noise level of Bitmain Antminer S21 is 75db. Thus, placing your Bitmain Antminer S21 in an aerated place is highly advisable for a comfortable mining experience.