Buy Bitmain Antminer S21 Hyd (335 TH/s) | MiningGear Co
Welcome to the frontier of high-efficiency Bitcoin mining. The Bitmain Antminer S21 Hyd (335 TH/s) is the most powerful hydro-cooled SHA-256 miner in Bitmain’s arsenal — designed for industrial mining farms, colocation facilities, and advanced operators who demand the highest hashrate with the lowest thermal stress.
With a staggering 335 TH/s output and energy efficiency near 17.5 J/TH, the S21 Hyd is optimized for large-scale deployment in water-cooled environments. Forget noisy fans and temperature throttling — this machine is engineered to run at peak levels 24/7 with minimal fluctuation, thanks to its closed-loop hydro architecture.
If you’re building a next-gen mining farm or upgrading to long-term profitability, this is your tool.
🧊 S21 Hyd – Full Technical Specifications
| Model | Bitmain Antminer S21 Hyd |
|---|---|
| Hashrate | 335 TH/s ±3% |
| Power Consumption | 5860W ±10% |
| Energy Efficiency | ~17.5 J/TH |
| Cooling Type | Water-cooled (liquid loop required) |
| Noise Level | <50 dB (fanless operation) |
| Algorithm | SHA-256 (BTC, BCH, BSV) |
| Manufacturer | Bitmain |
| Release Date | Mid 2024 |
| Connectivity | Ethernet (RJ45) |
| Voltage Input | 220–277V AC |
| Dimensions | 412 × 197 × 209 mm |
| Weight | ~13.7 kg |
| Operating Environment | Hydro/Immersion-cooled facilities |
| Warranty | 6–12 months (official Bitmain) |
🧠 Why the S21 Hyd Dominates the Mining Game
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🔹 Highest TH/s output of any S21 variant
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🔹 Minimal heat generation, ideal for 24/7 uptime
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🔹 Lower mechanical failure risks (no fans)
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🔹 Built for silent, high-density deployments
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🔹 Perfect for sustainable energy operations
Whether you’re building a hydro-cooled warehouse, managing modular immersion tanks, or integrating into colocation sites, this unit makes ROI not just possible — but predictable.
🛡️ Get It Right with MiningGear Co.com
At this performance tier, details matter. That’s why MiningGear Co.com offers:
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🧪 Pre-tested miners with complete hashboard validation
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📦 Custom-packed for hydro unit protection in transit
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📞 Integration support for immersion and loop systems
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🌍 Global shipping with insurance & tracking
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🔄 Volume pricing for facility builds or replacements
We’re more than a supplier — we’re a mining solutions partner.
Buy the Bitmain Antminer S21 Hyd (335 TH/s) at MiningGear Co
Every Bitmain Antminer S21 Hyd (335 TH/s) ships brand-new, factory-tested, and Delivered-Duty-Paid with fully insured worldwide shipping. Pay securely by bank wire or cryptocurrency (BTC, ETH or USDT), and get genuine warranty support plus global repair service from our team. Not sure the Bitmain Antminer S21 Hyd (335 TH/s) fits your power budget? Run the numbers first with our Bitcoin profitability calculator, then compare it against the full line-up in our ASIC miner shop. New to mining hardware? Learn how ASIC chips power modern crypto mining.
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