Miners
Bitmain Antminer S21 (188Th)
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

SellerShips fromAvailability ROIPriceView offer
OneMiners★ Featured✓ Verified seller
Extended warrantyPay in instalmentsIn stock, fast delivery
United States In stock 324 days $1,111 $1,111View offer →

Profit

IncomeElectricityProfit
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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