Description

🐧 SEALMINER A3 Pro Air – High-Efficiency Bitcoin ASIC Miner (290TH/s | 12.5J/TH) The SEALMINER A3 Pro Air is a next-generation SHA-256 ASIC miner engineered for Bitcoin (BTC), Bitcoin Cash (BCH), and BSV mining. Built with the SEAL03 chip, it achieves a powerful 290 TH/s hashrate while maintaining an industry-leading efficiency of 12.5 J/TH. Designed for air-cooled deployments, the A3 Pro Air combines compact design, powerful cooling, and quiet operation—making it a scalable mining hardware solution for both mid-sized farms and professional operations. ✅ Key Features Crypto Algorithm: SHA-256 (BTC / BCH / BSV) Hashrate: 260–320 TH/s (standard 290 TH/s) Power Efficiency: 12.5 J/TH ± 5% Power Consumption: 3250–4000W (typical: 3625W) Cooling: Advanced air cooling system with dual-fan design Noise Level: 3–4 dB quieter than mainstream miners (~≤75 dB) Power Supply: Built-in PSU with 97% power efficiency Connectivity: RJ45 Ethernet 10/100M Dimensions: 197 × 365 × 292 mm Net Weight: 15.5 kg (17.5 kg gross) 📦 What’s Included in the Package 1 × SEALMINER A3 Pro Air ASIC miner Integrated 97% efficient PSU Ethernet connection port (RJ45) User manual & quick-start guide 6-month manufacturer warranty ⚙️ Technical Specifications Specification Details Algorithm SHA-256 Supported Coins BTC / BCH / BSV Hashrate 260–320 TH/s (290 TH/s standard) Efficiency 12.5 J/TH ±5% Power Consumption 3250–4000W (typ. 3625W) Max Input Power 4400W Voltage Range 220–277V AC Input Current 20A max Frequency Range 47–63 Hz Dimensions (Net) 197 × 365 × 292 mm Weight (Net) 15.5 kg Cooling System Air cooled, enhanced airflow design Operating Temp -20°C to 45°C Operating Humidity 10%–90% RH Altitude ≤2000 m ⚡ Miner Classification Category: Industrial ASIC Bitcoin miner Intended Use: Mid to large-scale crypto mining operations Cooling Type: Air cooled (efficient fan system) Not: Hydro or immersion cooled 💡 Profitability Disclaimer Mining profitability depends on multiple factors: ⚡ Electricity rates in your location 📈 Bitcoin market price ⛏️ Mining difficulty adjustments With 12.5 J/TH efficiency, the SEALMINER A3 Pro Air is among the most efficient miners available, but always calculate ROI based on local conditions. ❓ Frequently Asked Questions (FAQ) Q1: What coins can the SEALMINER A3 Pro Air mine?It mines Bitcoin (BTC), Bitcoin Cash (BCH), and BSV—all SHA-256 coins. Q2: Is this a home miner or industrial miner?It is an industrial air-cooled miner designed for farms, though quieter than typical large ASICs. Q3: How efficient is the power supply?It includes a 97% efficient PSU, reducing energy loss. Q4: How loud is it?It runs 3–4 dB quieter than mainstream models, but still best suited for mining facilities. Q5: What’s the standard hashrate?It operates at a stable 290 TH/s, with a range between 260–320 TH/s. 🎯 Why Choose SEALMINER A3 Pro Air? The SEALMINER A3 Pro Air sets new standards in Bitcoin mining efficiency with 12.5 J/TH power performance, quiet operation, and robust air cooling. Perfect for miners who demand scalable, reliable, and power-efficient mining hardware. Warranty When ordering mining rig, you agree that it is customized for most optimal mining. Mining rig parts comes with 180 days factory warranty. Please see manufacturer guidelines for the warranty HERE.  TERMS OF SALE Please provide payment proof within 24 hours of your order being placed A unit can only be reserved once payment has been received, not when an order is placed online All sales are final, no refunds will be granted Shipping : Typical dispatch time within 7 working days Full customer support before and after purchase Europe express delivery 1-3 days , economy shipping 3-6 days. US and Asia shipping 2-5 days to deliver to your door. All items shipped with DHL.