Bitmain Antminer S21+ (225Th)
The 225 TH/s edition of the Bitmain Antminer S21+ is an air-cooled SHA-256 miner released in June 2025. It targets BTC, BCH and BSV and draws 3712 W, or 16.5 J/TH.
Daily profit$5.30
Income / day$8.54at today's BTC price and difficulty
Electricity / day−$3.2489.1 kWh a day · $0.0364/kWh
Income vs electricity · Mines BTC
Where to buy 10
| Seller | Ships from | Availability | ROI | Price | |
|---|---|---|---|---|---|
 LeedMiner
✓ Verified seller
|
China | In stock | 247 days | $1,305 | $1,305View offer → |
OneMiners
✓ Verified seller
|
United States | In stock | 247 days | $1,307 | $1,307View offer → |
 Yesmining
✓ Verified seller
|
China | In stock | 251 days | $1,328 | $1,328View offer → |
 Cryptoware
✓ Verified seller
|
United Kingdom | In stock | 272 days | $1,437 | $1,437View offer → |
 HSASICMINER
|
China | In stock | 276 days | $1,463 | $1,463View offer → |
 MiningEquipment
|
Spain | In stock | 376 days | $1,992 1,779 EUR |
$1,992View offer → |
 NexMine
|
Germany | In stock | 380 days | $2,009 1,791 EUR |
$2,009View offer → |
 BitHash
|
United Arab Emirates | In stock | 396 days | $2,095 | $2,095View offer → |
 X-ON Mining
Used
|
China | In stock | 548 days | $2,900 | $2,900View offer → |
 DCE Miner
✓ Verified seller
|
China | In stock | 595 days | $3,150 | $3,150View offer → |
Profit
| Income | Electricity | Profit | |
|---|---|---|---|
| Day | $8.54 | −$3.24 | $5.30 |
| Week | $59.80 | −$22.70 | $37.10 |
| Month | $256.27 | −$97.28 | $158.98 |
| Year | $3,118 | −$1,184 | $1,934 |
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 %
About 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 $0.036/kWh it ranks #73 of 247 SHA-256 miners by daily profit, earning about $5.30 a day mining BTC. The best price on MinerPrices is $1,305. At today's rates it would pay for itself in about 247 days. At 75 dB it belongs in a dedicated mining site or hosting facility.
BCH
BSV
BTC
FB
NMC
PPC
QUAI
XECSimilar miners
| Model | Hashrate | Power | Profit |
|---|---|---|---|
 Bitmain Antminer S21+ (235Th) | 235 TH/s | 3,877 W | $5.53 |
 MicroBT WhatsMiner M60S++ | 226 TH/s | 3,600 W | $5.44 |
 Bitdeer SealMiner A2 | 226 TH/s | 3,730 W | $5.32 |
 Canaan Avalon A15Pro-221T | 221 TH/s | 3,662 W | $5.19 |
 Bitmain Antminer S21+ (216Th) | 216 TH/s | 3,564 W | $5.09 |
 Canaan Avalon A15Pro-218T | 218 TH/s | 3,662 W | $5.08 |