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SEALMINER A2 Pro Air asic miner

SKU: BITDEER-SEALMINER-A2PRO

 10days Shipping 

  • Hashrate255 TH/s
  • Power3799 W
  • Efficiency14.9 J/TH
  • AlgorithmSHA-256
  • CoinBTC

US$4,152.69

US$3,591.36

(excl.VAT)
1

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Mineshop checkout options

Order confirmed within 24h
  • Tracked deliveryTo all 27 EU countries

  • Warranty & supportAfter-sales help

  • Card, bank, cryptoSecure checkout

Calculate profitability

Estimate

Miner revenue varies with coin mining difficulty

$
Profit / day
+$4.60
Profit over 200 days
+$919
Break-even electricity price
$0.106/kWh
Pays for itself in
≈ 2.1 years≈ 2.6 years

Live daily miner revenue $9.70 Power cost / day $5.11

Revenue and profit per day
  • Revenue
  • Profit at $0.056/kWh

Estimate for 255 TH/s at today’s Bitcoin difficulty, block reward and BTC price (mempool.space, CoinGecko; updated 2026-10-21 17:53 UTC), before pool fees. Power cost = watts × 24 h × your price per kWh.

Specifications: SEALMINER A2 Pro Air asic miner

Coin

BTC

Consumption

3.80 kW

Hashrate

255Th/s

Efficiency

14.9 J/TH

ModelA2 pro

Also Known AsBitdeer Sealminer A2 pro

CoinBTC

Release2025-11-30

Hashrate255Th/s

Noise Level80db

Sizes197x365x292mm

Consume, kWh3799w

Energy Efficiency14.9jTh/s

Fans4

Voltage220–277V

InterfaceRJ45 Ethernet 10/100M

Temperature0-40c

Warranty360days

Description for: SEALMINER A2 Pro Air asic miner

SEALMINER A2 Pro Air – High-Efficiency Bitcoin ASIC Miner (255TH/s | 14.9J/TH)

The SEALMINER A2 Pro Air is a next-generation Bitcoin ASIC miner built for exceptional energy efficiency and stable performance. Featuring the latest SEALMINER chip technology, this air-cooled model achieves 255–270TH/s hashrate while maintaining a power efficiency of just 14.9 J/TH.

With optimized airflow design, quiet operation, and a 97% power supply efficiency, the A2 Pro Air offers a powerful yet cost-effective solution for professional and mid-size crypto mining operations.


Key Features

  • Crypto Algorithm: SHA-256 (supports BTC, BCH, BSV)

  • Hashrate: 255–270TH/s ±10%

  • Power Consumption: 3799.5W

  • Power Efficiency: 14.9 J/TH @25°C

  • Noise Level: 3–4 dB quieter than standard miners

  • Cooling: Advanced air cooling (2× high-performance fans)

  • Connectivity: RJ45 Ethernet 10/100M

  • Dimensions: 197 × 365 × 292 mm

  • Weight: 15.5 kg (17.5 kg packaged)

  • Power Supply Efficiency: 97% optimized PSU included


Technical Specifications

Specification Details
Algorithm SHA256 (BTC/BCH/BSV)
Hashrate Range 255–270TH/s ±10%
Power Efficiency 14.9 J/TH ±5%
Power Consumption 3799.5W
Voltage Input 220–277V
Input Frequency 47–63Hz
Max Input Current 20A
Power Connector PA45-4P-S
Cooling Air cooling with dual fans
Noise Output 3–4 dB lower than mainstream models
Net Weight 15.5 kg
Gross Weight 17.5 kg
Operating Temperature -20°C to 50°C
Humidity Range 10%–90% RH
Altitude Limit ≤2000m
Network RJ45 Ethernet 10/100M

Designed for Performance and Stability

The SEALMINER A2 Pro Air combines powerful performance and refined engineering, achieving superior mining results while keeping energy costs low. Its optimized flow-field structure and custom fan blades ensure stable operation even in demanding conditions, while maintaining low noise levels.


Package Includes

  • 1 × SEALMINER A2 Pro Air ASIC Miner

  • 1x 4pin to C19 power cable
  • Integrated 97% efficient power supply

  • Ethernet connection port

  • User installation guide

  • 360-day factory warranty


Miner Classification

  • Type: Industrial ASIC miner

  • Application: Bitcoin (BTC), Bitcoin Cash (BCH), Bitcoin SV (BSV)

  • Cooling: Air-cooled

  • Deployment: Mining farms, hosting facilities, or large-scale setups


Profitability Disclaimer

Mining profitability varies depending on:

  • Local electricity rates

  • Bitcoin market price

  • Network difficulty

The SEALMINER A2 Pro Air delivers excellent efficiency at 14.9 J/TH, making it ideal for long-term, stable Bitcoin mining operations.


Frequently Asked Questions (FAQ)

Q1: Which coins can this miner mine?
It mines Bitcoin (BTC), Bitcoin Cash (BCH), and BSV using the SHA-256 algorithm.

Q2: How loud is the miner?
It operates 3–4 dB quieter than most mainstream air-cooled miners.

Q3: Is the power supply included?
Yes, the 97% efficient PSU is built-in.

Q4: Can it run in warm environments?
Yes, it operates reliably between -20°C and 50°C.

Q5: What’s the efficiency rating?
The miner achieves 14.9 J/TH, providing a high-performance balance between power and cost.


Warranty

When ordering a mining rig, you agree that it is customized for optimal mining performance.

  • Mining rig parts come with a 360-day factory warranty.

  • Please refer to the manufacturer warranty guidelines for full details.


Terms of Sale

  • Payment proof must be provided within 24 hours of placing an order.

  • Units are only reserved once payment has been received.

  • All sales are final – no refunds will be issued.


Shipping & Delivery

  • Dispatch Time: Typically within 7 working days

  • Customer Support: Full support before & after purchase

  • Courier: All shipments via DHL

  • Delivery Times:

    • Europe Express: 1–3 days

    • Europe Economy: 3–6 days

    • USA & Asia: 2–5 days


Why Choose SEALMINER A2 Pro Air?

The SEALMINER A2 Pro Air redefines efficiency and reliability in Bitcoin mining. With 255–270TH/s hashrate, 14.9 J/TH efficiency, and 97% PSU performance, it’s a powerhouse designed for miners who demand premium performance with lower operational costs.

Warranty

Factory warranty per manufacturer guidelines
Working product delivery guaranteed
Full after-sales support team

Terms of Sale

Payment proof required within 24 hours
Reservation confirmed upon receipt of payment
Industrial ASIC miners: all sales are final. Other products: 14-day return if unopened.

Shipping Information

Express: Europe 1–3 days, US & Asia 2–5 days
Economy: Europe 3–6 days
Dispatch within 7 working days
Ships via DHL, FedEx & UPS

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SEALMINER A2 Pro Air asic miner
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