
Bitmain · SHA-256
Bitmain Antminer S21 (188Th)
- Hashrate188 TH/s
- Power3,290 W
- Efficiency17.5 J/TH
- AlgorithmSHA-256
- ReleaseFeb 2024
Daily profit$3.43at $0.0335/kWh
Payback324 daysBest price $1,111
Income / day$6.07at today's BTC price and difficulty
Electricity / day−$2.6579.0 kWh a day
Income vs electricity · Mines BTC
from $1,111
Compare 1 offer
Where to buy 1
| Seller | Ships from | Availability | ROI | Price | View offer |
|---|---|---|---|---|---|
Extended warrantyPay in instalmentsIn stock, fast delivery
|
United States | In stock | 324 days | $1,111 | $1,111View offer → |
Profit
| Income | Electricity | Profit | |
|---|---|---|---|
| Day | $6.07 | −$2.65 | $3.43 |
| Week | $42.51 | −$18.52 | $24.00 |
| Month | $182.20 | −$79.35 | $102.84 |
| Year | $2,217 | −$965.48 | $1,251 |
Price history
Average priceLowest price
Specifications
ManufacturerBitmain
ModelBitmain Antminer S21 (188Th)
ReleaseFeb 2024
AlgorithmSHA-256
Hashrate188 TH/s
Power3,290 W
Efficiency17.5 J/TH
Noise75 dB
Size400 × 195 × 290 mm
InterfaceEthernet
Temperature5–40 °C
Humidity5–95 %
About this miner
The Bitmain Antminer S21 (188Th) is an ASIC miner by Bitmain for the SHA-256 algorithm, rated at 188 TH/s on 3,290 W. It came out in February 2024. At 17.5 J/TH it is 14% more efficient than the median SHA-256 miner we track (20.4 J/TH). At $0.034/kWh it ranks #119 of 299 SHA-256 miners by daily profit, earning about $3.43 a day mining BTC. The best price on MinerPrices is $1,111. At today's rates it would pay for itself in about 324 days. At 75 dB it belongs in a dedicated mining site or hosting facility.
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