Used Antminer S21 Pro (234Th) | ASICMinersEurope
Used - Fully Tested Efficiency: 21.6J/Th

Antminer S21 Pro (234Th)

Ultimate Bitcoin mining performance with industry-leading efficiency

In Stock - Ready to Ship
7-10 Day Delivery to EU
6-Month Warranty
Secure Payment
Price: €3,346
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🔥 Limited Stock Used Bitmain Antminer S21 Pro 234Th mining device

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Profitability Estimate

Hashrate Power Cost Daily Profit* Monthly Profit*
234Th/s €6.07/day (5060W @ €0.12/kWh) €25-€35 €750-€1,050
Note: Based on current BTC prices. Used units are fully tested and perform like new.

Why Choose Used S21 Pro

Flagship performance at significantly reduced cost

234Th/s Hashrate

Massive processing power for BTC mining

21.6J/Th Efficiency

Industry-leading energy efficiency

Fully Tested

Professionally inspected and warrantied

Used Antminer S21 Pro 234Th technical specifications

Technical Specifications

Model Bitmain Antminer S21 Pro (234Th)
Condition Used - Fully Tested
Algorithm SHA-256 (BTC)
Hashrate 234Th/s ±5%
Power Consumption 5060W
Power Efficiency 21.6 J/Th
Noise Level 75dB
Dimensions 195 × 290 × 430mm
Warranty 6 Months

Used vs New

Model Condition Hashrate Price Warranty Value
S21 Pro (234Th) Used 234Th/s €3,346 6 Months Best Value
S21 Pro (234Th) New 234Th/s €6,500+ 1 Year Premium

Used Miner Reviews

"My used S21 Pro performs like new at 238Th/s! Saved over €3000 compared to new."

Michael R.

Verified Buyer

"The efficiency is incredible - ROI in under 12 months at current BTC prices."

Sarah K.

Verified Buyer

"Bought 2 units for my farm - both performing above spec with warranty coverage."

Thomas W.

Verified Buyer

Ready for Ultimate Bitcoin Mining Performance?

Get flagship hashrate at used equipment prices

Secure checkout · 6-month warranty · EU stock

Frequently Asked Questions

Our used miners undergo:
• Complete diagnostic testing
• Performance verification at full load
• Component inspection and cleaning
• 6-month performance warranty

Our used S21 Pro units maintain original specifications:
• Same 234Th/s hashrate
• Same 21.6J/Th efficiency
• We reject any units that can't meet factory specs

• 220-240V circuit required
• 30A+ breaker recommended
• C19/C20 power connection
• Proper ventilation (5060W heat output)

Yes! We offer professional hosting solutions:
• €0.09/kWh all-inclusive hosting
• Remote monitoring and maintenance
• Bulk discounts available
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