Bitmain Antminer S21+ (225Th)
$3.18
Daily profit
$8.25
Income / dayat today's BTC price and difficulty
−$5.08
Electricity / day89.1 kWh a day · $0.057/kWh
$1,305
Best price · ROI 411 days
Income vs electricity · Mines BTC · 225 TH/s · 3,712 W · SHA-256
| Income | Electricity | Profit | |
|---|---|---|---|
| Day | $8.25 | −$5.08 | $3.18 |
| Week | $57.78 | −$35.55 | $22.24 |
| Month | $247.64 | −$152.34 | $95.30 |
| Year | $3,013 | −$1,853 | $1,159 |
Where to buy
| Seller | Ships from | Availability | ROI | Price | |
|---|---|---|---|---|---|
| China | In stock | 411 days | $1,305 | $1,305View offer → | |
| United States | In stock | 426 days | $1,352 | $1,352View offer → | |
| United Kingdom | In stock | 453 days | $1,437 | $1,437View offer → | |
| China | In stock | 461 days | $1,463 | $1,463View offer → | |
| Spain | In stock | 627 days | $1,992 1,779 EUR |
$1,992View offer → | |
| United Arab Emirates | In stock | 660 days | $2,095 | $2,095View offer → | |
| China | In stock | 992 days | $3,150 | $3,150View offer → |
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Price history
━ Average price ━ Lowest price
Specifications
ManufacturerBitmain
ModelBitmain Antminer S21+ (225Th)
ReleaseJun 2025
AlgorithmSHA-256
Hashrate225 TH/s
Power3,712 W
Efficiency16.5 J/TH
Noise75 dB
Size400 × 195 × 290 mm
InterfaceEthernet
Temperature10–40 °C
Humidity5–95 %
Mineable coins
BCH
BSV
BTC
FB
NMC
PPC
QUAI
XECAbout this miner
The Bitmain Antminer S21+ (225Th) is an ASIC miner by Bitmain for the SHA-256 algorithm, rated at 225 TH/s on 3,712 W. It came out in June 2025. At 16.5 J/TH it is 38% more efficient than the median SHA-256 miner we track (26.4 J/TH). At $0.057/kWh it ranks #68 of 247 SHA-256 miners by daily profit, earning about $3.18 a day mining BTC. The best price on AsicProfit is $1,305. At today's rates it would pay for itself in about 411 days. At 75 dB it belongs in a dedicated mining site or hosting facility.
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