Bitdeer SealMiner A3 Pro Air 290Th/s 3625W Bitcoin Miner

Bitdeer SealMiner A3 Pro Air | 290Th/s Bitcoin Miner | 12.5 J/Th | Most Efficient Air-Cooled ASIC
The Bitdeer SealMiner A3 Pro Air redefines efficiency in air-cooled Bitcoin mining, delivering a staggering 290Th/s hashrate at just 3625W—achieving a groundbreaking 12.5 J/Th. Engineered for the SHA-256 algorithm, this miner maximizes BTC profitability with industry-leading performance in a compact, air-cooled design. Ideal for home enthusiasts and scaling farms, it combines elite efficiency with enterprise-grade reliability.
Performance Highlights


Unmatched Efficiency: At 12.5 J/Th, it outperforms most hydro-cooled miners, slashing electricity costs by 25–40% vs. previous-gen air-cooled models.


Compact Powerhouse: Identical footprint to the standard A3 Air (197 × 365 × 292mm) but delivers 11.5% higher hashrate (290Th/s vs. 260Th/s).


Global Ready: 220–277V input voltage supports residential and industrial deployments worldwide.


Enterprise Management: Ethernet interface enables seamless integration into mining pools and remote monitoring systems.


Rugged Design: Operates reliably in environments from 5–45°C and 5–95% humidity.


Why Choose the Bitdeer A3 Pro Air?


Record-Breaking Value: Highest hashrate and efficiency in its class for maximum BTC/day per watt.


Bitdeer’s Innovation: Backed by a globally trusted name in blockchain infrastructure.


Plug-and-Play Setup: Ethernet connectivity for effortless deployment and management.


Target Audience: Profit-focused home miners, farm operators, and investors seeking peak efficiency without hydro complexity.
Specifications of Bitdeer SealMiner A3 Pro Air



Manufacturer
Bitdeer


Model
Sealminer A3 Pro Air


Also known as
A3 Pro Air Bitcoin Miner


Release
Sep 2025


Hashrate, Gh/s
290Th/s


Power on wall @25°C, Watt
3625W


Power efficiency on wall @25°C, J/Mh
12.5j/Th


Noise Level
75dB


Weight Net
15.5Kg


Gross Weight Including Packaging, kg
17.5Kg


Cooling
Fans (2)


Algorithm | Cryptocurrency
SHA-256 | BTC | NMC | BCH | BSV  | PPC



Detailed Characteristics
Power Supply



Power supply AC Input voltage range V
220-277V AC


Power supply AC Input Frequency Range, Hz
47-63


Coolant pressure, bar
≤3.5


Power supply AC Input current, Amp
20



Hardware Configuration



Max Current
12A


Maximum Input Power, W
4,400


Power Connector Type
PA45-4P-S


Networking connection mode
RJ45 Ethernet 10/100M


Miner Size (Length*Width*Height, w/o package),mm
197*365*292mm


Size with
308*482*423mm



Environment Requirements



Operation temperature,°C
5 – 45 °C


Storage temperature,°C
-20~70


Operation humidity(non-condensing) , RH
5~95%







Additional Information
丨Buying guide
1. Website prices do not include shipping, customs fees, and taxes, for some countries, we can provide low-price declaration as well as DDP service.
2. Product display is for reference only, the actual shipping version may change due to manufacturer updates.
3. X-ON MINING protects customer information, ensures the safety of customer transactions, and has cooperated with asicminervalue, asicminercompare, asicprices and other brands, with a high degree of reliability.
丨Shipping details
1. We will arrange the delivery of full payment orders according to the principle of payment order.
2. For pre-order orders, subject to the factory delivery date, X-ON MINING will inform the customer in time and follow up on the order at any time.
3. Need to buy additional power supply, chassis, water cooling air cooling system, please contact our salesman for detailed communication.
4. We provide verified video before delivery to ensure the normal operation of the machine.
丨Warranty
1. For different mining machines, Bitmain offers different warranty periods, which can be viewed in the repair guide.
2. In warranty time, the customer bears the postage to send back, Bitmain bears the postage to send back to the customer;
For machines outside the warranty, the customer needs to pay for maintenance and postage, machines paid on arrival will be rejected.
3. Do not assemble the faulty computing plate of multiple mining machines into one mining machine for maintenance.
4. Under normal circumstances, the maintenance cycle is about one week to complete the repair and return.
5. See the full list of terms at https://service.bitmain.com/support/terms