Bitcoin Miner U3S21EXPH – 860 TH/s Hydro Miner

The Bitcoin Miner U3S21EXPH offers 860 TH/s at 13 J/TH efficiency with hydro cooling, SPOT shipping in February 2026, and a 365-day warranty.

Bitcoin Miner U3S21EXPH Overview

The Bitmain Antminer U3S21EXPH is a hydro‑cooled SHA‑256 miner designed for Bitcoin, BCH, and BSV. With a hashrate of 860 TH/s and energy efficiency of 13 J/TH, it delivers industrial‑scale mining performance with stable cooling and reduced noise.

Key Specifications

• Hashrate: 860 TH/s
• Power Consumption: 11,180W
• Efficiency: 13 J/TH
• Algorithm: SHA‑256 (BTC/BCH/BSV)
• Cooling: Hydro‑cooling system
• Dimensions (unit): 900 × 482.6 × 130 mm
• Dimensions (packaged): 1150 × 640 × 260 mm
• Weight: 42.7 kg net / 48.6 kg gross
• Voltage: 380–415V AC, 3‑phase
• Interface: RJ45 Ethernet
• Coolant Requirements: Antifreeze, pure water, or deionized water; flow 16–20 L/min; pressure ≤3.5 bar

🛒 Purchasing Guidelines

• Price: $7,197.88 per unit (~$21.5 per TH)
• Payment Methods: USD, BTC, ETH, USDC (ERC20), USDT (ERC20/TRC20)
• Availability: SPOT shipping from February 2026
• Customs: Buyers must prepare proper documentation; cancellations or refunds are not accepted after order submission
• Images: Product photos are for reference only; final shipment version may differ

🚚 Shipping Details

• Dispatch: First‑paid, first‑shipped basis
• Responsibility: Buyer must handle customs clearance and documentation
• Certificates: Certificates of conformity are available for download

🛡 Warranty

• Coverage: 365 days from shipping date
• Includes: Replacement shipping costs covered by Bitmain within warranty period
• Exclusions: Resold units, improper installation, unauthorized modifications

⚠️ Buyer Considerations

• Requires 380–415V AC 3‑phase industrial power
• Hydro‑cooling setup needed — not suitable for home use
• Profitability depends on Bitcoin difficulty and electricity rates
• Ensure proper coolant setup and maintenance per Bitmain’s guidelines