Antminer S21 (200TH) – Air‑Cooled Bitcoin Miner

Antminer S21 (200TH) provides efficient air‑cooled Bitcoin mining, combining strong hashrate, reliability, and warranty coverage.

Antminer S21 (200TH) Overview

The Antminer S21 (200TH) is Bitmain’s latest air‑cooled Bitcoin miner. Unlike hydro‑cooled models, this version uses traditional airflow systems, making it easier to deploy in smaller setups. Consequently, miners benefit from lower infrastructure requirements while still achieving strong performance. Moreover, its 17.5 J/TH efficiency makes it a competitive choice for SHA‑256 mining.

Key Specifications

• Hashrate: 200 TH/s (±3%)
• Power Consumption: 3,500 W (±5%)
• Power Efficiency: 17.5 J/TH
• Algorithm/Coins: SHA‑256 | BTC, BCH, BSV
• Cooling: Air‑cooled fans
• Noise Level: ~75 dB
• Networking: RJ45 Ethernet 10/100M
• Dimensions: 400 × 195 × 290 mm (unit)
• Weight: ~15.4 kg net / 17.2 kg gross
• Voltage: 220–277 V AC
• Operating Temperature: 0–45 °C

🛒 Purchasing Guidelines

The Antminer S21 (200TH) typically costs $3,000–$4,000 per unit, depending on batch and market demand. In addition, Bitmain accepts payments in USD, BTC, ETC, and USDT. Orders ship on a SPOT basis within 10–30 working days, ensuring timely deployment. However, buyers must prepare customs documentation because Bitmain does not allow cancellations or refunds after submission.

🚚 Shipping Details

Bitmain dispatches Antminer S21 units on a first‑paid, first‑shipped basis, rewarding early payment with priority delivery. Furthermore, customers handle customs clearance, while Bitmain provides Certificates of Conformity for compliance.

🛡 Warranty

Each Antminer S21 (200TH) carries a 365‑day warranty. Bitmain covers replacement shipping costs during this period. Nevertheless, improper installation, unauthorized modifications, or resale void the warranty.

⚠️ Buyer Considerations

• Air‑cooled design suits smaller farms or mixed setups.
• Profitability depends not only on Bitcoin’s price but also on network difficulty and electricity rates.
• Noise levels (~75 dB) require proper ventilation and sound management.