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
| Seller | Ships from | Availability | 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
| Income | Electricity | Profit | |
|---|---|---|---|
| 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.
Similar miners
| Model | Hashrate | Power | Profit |
|---|---|---|---|
| 245 TH/s | 3,675 W | $6.09 | |
| 234 TH/s | 3,510 W | $5.82 | |
| 226 TH/s | 3,600 W | $5.44 | |
| 226 TH/s | 3,730 W | $5.32 | |
| 225 TH/s | 3,712 W | $5.30 | |
| 221 TH/s | 3,662 W | $5.19 |




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