
Bitmain · SHA-256
Bitmain Antminer S21+ Hyd (338Th)
- Hashrate338 TH/s
- Power5,070 W
- Efficiency15.0 J/TH
- AlgorithmSHA-256
- ReleaseAug 2025
Daily profit$6.84at $0.0335/kWh
Payback307 daysBest price $2,099
Income / day$10.92at today's BTC price and difficulty
Electricity / day−$4.08121.7 kWh a day
Income vs electricity · Mines BTC
from $2,099
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 | 307 days | $2,099 | $2,099View offer → |
Profit
| Income | Electricity | Profit | |
|---|---|---|---|
| Day | $10.92 | −$4.08 | $6.84 |
| Week | $76.43 | −$28.53 | $47.90 |
| Month | $327.57 | −$122.29 | $205.28 |
| Year | $3,985 | −$1,488 | $2,498 |
Price history
Average priceLowest price
Specifications
ManufacturerBitmain
ModelBitmain Antminer S21+ Hyd (338Th)
ReleaseAug 2025
AlgorithmSHA-256
Hashrate338 TH/s
Power5,070 W
Efficiency15.0 J/TH
Noise50 dB
Size410 × 170 × 209 mm
InterfaceEthernet
Temperature5–45 °C
Humidity5–95 %
About this miner
The Bitmain Antminer S21+ Hyd (338Th) is an ASIC miner by Bitmain for the SHA-256 algorithm, rated at 338 TH/s on 5,070 W. It came out in August 2025. At 15.0 J/TH it is 26% more efficient than the median SHA-256 miner we track (20.4 J/TH). At $0.034/kWh it ranks #53 of 299 SHA-256 miners by daily profit, earning about $6.84 a day mining BTC. The best price on MinerPrices is $2,099. At today's rates it would pay for itself in about 307 days. It is water-cooled (hydro), so it needs a cooling loop and a dry cooler instead of fans.
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