Name: Antminer S21 Pro
Brand: Bitmain
Availability: InStock
Rating: 4.95 (41 reviews)

Antminer S21 Pro

Antminer S21 Pro — 234 TH/s High-Efficiency Miner

The Bitmain Antminer S21 Pro delivers a powerful 234 TH/s hashrate at about 3,510 W, achieving approximately 15 J/TH efficiency. Built as an advanced air-cooled SHA-256 unit, it’s designed for stable 24/7 operation in professional farms with a robust four-fan thermal system and a rack-friendly chassis.

Highlights

234 TH/s hashrate with ~3,510 W power and ~15 J/TH efficiency
Air-cooled design with four high-speed fans for continuous stability
Compact, rack-compatible footprint for dense deployments
Compatible with 220–277 V industrial power environments

shop now

Factory

Bitmain

Hashrate

234Th/s

warranty

Full Factory

Minable coins

BTC,BTH | SHA-256

Brand

New

Antminer S21 Pro Specifications

Technical Details

Model / Algorithm: Antminer S21 Pro / SHA-256
Hashrate: 234 TH/s (±5%)
Power Consumption: ~3,510 W
Power Efficiency: ~15 J/TH
Input Voltage: 220–277 V AC, 50/60 Hz (three-phase recommended)
Cooling / Noise: Air-cooled, 4 fans; ~76 dB under typical load
Dimensions: 450 × 219 × 293 mm
Weight: ~18.5 kg (batch dependent)
Operating Temperature: 0–45 °C with adequate airflow
Network: RJ45 Ethernet (wired)
Note on Variation: Actual performance may fluctuate within ±5% depending on environment and batch.

Setup Tips

Use a stable 220–277 V line with proper grounding and surge protection.
Maintain clean intake and exhaust paths; avoid dust and humidity.
Use wired Ethernet and a reliable pool for consistent performance.

Free Consultation

Purchase & Shipping

Condition: 100 % brand-new (factory-sealed)
Warranty: Official Bitmain manufacturer warranty
Payment Methods: Bank transfer, USDT, BTC, or USDC
Shipping: Worldwide from UAE via DHL, FedEx, or cargo (3–7 business days).
Based in Dubai, UAE — trusted international supplier
Fast global shipping to GCC, Africa and Asia
Expert consultation before and after purchase
Transparent pricing and real-time availability

⚠️ Important Notice:

Mining regulations vary by country. Please contact our support team before purchase so we can verify compliance and select the most reliable delivery method for your region.

Get today’s best price

⚠️ We don’t display prices on our website to make sure you get the best possible deal directly from our sales team.