Miners
Bitmain · SHA-256

Bitmain Antminer S21+ (235Th)

Bitmain's air-cooled Antminer S21+ in its 235 TH/s version mines SHA-256 coins such as BTC, BCH and BSV. Released in June 2025, it consumes 3877 W at 16.5 J/TH.

Daily profit$5.53
Income / day$8.92at today's BTC price and difficulty
Electricity / day−$3.3993.0 kWh a day · $0.0364/kWh

Income vs electricity · Mines BTC

Where to buy 12

SellerShips fromAvailability ROI Price
LeedMiner ✓ Verified seller
China In stock 262 days $1,445 $1,445View offer →
Yesmining ✓ Verified seller
China In stock 264 days $1,457 $1,457View offer →
HSASICMINER
China In stock 289 days $1,598 $1,598View offer →
X-ON Mining Used
China In stock 299 days $1,650 $1,650View offer →
OneMiners ✓ Verified seller
United States In stock 307 days $1,699 $1,699View offer →
Cryptoware ✓ Verified seller
United Kingdom In stock 338 days $1,869 $1,869View offer →
MiningEquipment
Spain In stock 381 days $2,104
1,879 EUR
$2,104View offer →
BitHash
United Arab Emirates In stock 399 days $2,204 $2,204View offer →
NexMine
Germany In stock 401 days $2,215
1,975 EUR
$2,215View offer →
Jingle Mining
China In stock 407 days $2,250 $2,250View offer →
DCE Miner ✓ Verified seller
China In stock 595 days $3,290 $3,290View offer →
PCPraha ✓ Verified seller
Czechia Out of stock 844 days $4,670
101,599 CZK
$4,670View offer →

Profit

IncomeElectricityProfit
Day$8.92−$3.39$5.53
Week$62.45−$23.71$38.74
Month$267.66−$101.61$166.05
Year$3,256−$1,236$2,020

Price history

━ Average price   ━ Lowest price

Specifications

ManufacturerBitmain
ModelBitmain Antminer S21+ (235Th)
ReleaseJun 2025
AlgorithmSHA-256
Hashrate235 TH/s
Power3,877 W
Efficiency16.5 J/TH
Noise75 dB
Size400 × 195 × 290 mm
InterfaceEthernet
Temperature10–40 °C
Humidity10–90 %

About this miner

The Bitmain Antminer S21+ (235Th) is an ASIC miner by Bitmain for the SHA-256 algorithm, rated at 235 TH/s on 3,877 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 $0.036/kWh it ranks #69 of 247 SHA-256 miners by daily profit, earning about $5.53 a day mining BTC. The best price on MinerPrices is $1,445. At today's rates it would pay for itself in about 262 days. At 75 dB it belongs in a dedicated mining site or hosting facility.

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