Bitdeer SealMiner A3 Pro Air
Bitdeer SealMiner A3 Pro Air is an air-cooled SHA-256 ASIC for BTC and BCH, producing 290 TH/s at 3625 W, an efficiency of 12.5 J/TH. It was released in September 2025.

Income vs electricity · Mines BTC · 290 TH/s · 3,625 W · SHA-256
| Income | Electricity | Profit | |
|---|---|---|---|
| Day | $11.04 | −$3.17 | $7.87 |
| Week | $77.25 | −$22.17 | $55.09 |
| Month | $331.09 | −$95.00 | $236.08 |
| Year | $4,028 | −$1,156 | $2,872 |
Where to buy
| Seller | Ships from | Availability | ROI | Price | |
|---|---|---|---|---|---|
![]() Yesmining
✓ Verified seller
|
China | In stock | 566 days | $4,450 | $4,450View offer → |
OneMiners
✓ Verified seller
|
United States | In stock | 1208 days | $9,499 | $9,499View offer → |
Cryptoware
✓ Verified seller
|
United Kingdom | In stock | 1328 days | $10,449 | $10,449View offer → |
Price history
━ Average price ━ Lowest price
Specifications
Mineable coins
About this miner
The Bitdeer SealMiner A3 Pro Air is an ASIC miner by Bitdeer for the SHA-256 algorithm, rated at 290 TH/s on 3,625 W. It came out in September 2025. At 12.5 J/TH it is 53% more efficient than the median SHA-256 miner we track (26.4 J/TH). At $0.036/kWh it ranks #46 of 247 SHA-256 miners by daily profit, earning about $7.87 a day mining BTC. The best price on MinerPrices is $4,450. At today's rates it would pay for itself in about 566 days. At 75 dB it belongs in a dedicated mining site or hosting facility.
Similar miners
| Bitmain Antminer S23 (318Th) | 318 TH/s | 3,498 W | $9.05 |
| Canaan Avalon A16XP-300T | 300 TH/s | 3,850 W | $8.05 |
| Canaan Avalon A16-282T | 282 TH/s | 3,900 W | $7.32 |
| Bitmain Antminer S21 XP (270Th) | 270 TH/s | 3,645 W | $7.09 |
| Bitdeer SealMiner A3 Air | 260 TH/s | 3,640 W | $6.71 |
| MicroBT WhatsMiner M72S | 264 TH/s | 4,000 W | $6.55 |

FB
QUAI