




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)Guaranteed Safe Checkout
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Tracked deliveryTo all 27 EU countries
Warranty & supportAfter-sales help
Card, bank, cryptoSecure checkout
Calculate profitability
EstimateMiner revenue varies with coin mining difficulty
- Profit / day
- +$4.60
- Profit over 200 days
- 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
Hashrate
Efficiency
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
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Crypto Algorithm: SHA-256 (supports BTC, BCH, BSV)
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Hashrate: 255–270TH/s ±10%
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Power Consumption: 3799.5W
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Power Efficiency: 14.9 J/TH @25°C
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Noise Level: 3–4 dB quieter than standard miners
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Cooling: Advanced air cooling (2× high-performance fans)
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Connectivity: RJ45 Ethernet 10/100M
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Dimensions: 197 × 365 × 292 mm
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Weight: 15.5 kg (17.5 kg packaged)
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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
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1 × SEALMINER A2 Pro Air ASIC Miner
- 1x 4pin to C19 power cable
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Integrated 97% efficient power supply
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Ethernet connection port
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User installation guide
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360-day factory warranty
Miner Classification
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Type: Industrial ASIC miner
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Application: Bitcoin (BTC), Bitcoin Cash (BCH), Bitcoin SV (BSV)
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Cooling: Air-cooled
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Deployment: Mining farms, hosting facilities, or large-scale setups
Profitability Disclaimer
Mining profitability varies depending on:
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Local electricity rates
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Bitcoin market price
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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.
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Mining rig parts come with a 360-day factory warranty.
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Please refer to the manufacturer warranty guidelines for full details.
Terms of Sale
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Payment proof must be provided within 24 hours of placing an order.
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Units are only reserved once payment has been received.
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All sales are final – no refunds will be issued.
Shipping & Delivery
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Dispatch Time: Typically within 7 working days
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Customer Support: Full support before & after purchase
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Courier: All shipments via DHL
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Delivery Times:
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Europe Express: 1–3 days
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Europe Economy: 3–6 days
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USA & Asia: 2–5 days
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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
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