Bitmain Antminer S21 Pro 234T — Bitcoin ASIC miner at Minenity

Bitmain · Antminer· SHA-256

Antminer S21 Pro 234 TH/s

Variant:

The Bitmain Antminer S21 Pro 234T belongs to the latest generation of high-efficiency Bitcoin ASIC miners. With 234 TH/s hashrate at only 3,800 W draw and an energy efficiency of 16.2 J/TH — ideal for professional mining hosting with low electricity costs.

234 TH/s16.2 J/THAirHosting includedEuropean contractNo setup fee

Price incl. hosting & setup (net)

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Asia hosting
from €0.062/kWh · hydropower

€2,499

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USA hosting
from €0.066/kWh · 97% uptime

€2,499

We get back to you personally within 24 hours.

Technical data

Full specifications

Algorithm	SHA-256
Hashrate	234 TH/s
Power consumption	3.800 W
Efficiency	16,2 J/TH
Cooling	Air
Connectors	4x 6-Pin
Dimensions	400 x 195 x 290 mm
Weight	15,0 kg

Profitability 2026

Antminer S21 Pro 234T: running costs & ROI

Power consumption per month (24/7)	~2,736 kWh
Power cost in Asia hosting (€0.062/kWh)	~170 € / month
Power cost in US hosting (€0.066/kWh)	~181 € / month
Reference BTC production (difficulty ~110T, mid-2026)	~0.0027 BTC / month
Same miner at home (€0.35/kWh residential)	~958 € / month — not profitable

BTC output and euro returns move with network difficulty and the bitcoin price. For live numbers with your parameters — including break-even and the 2028 halving — use the bitcoin mining calculator.

Buy Antminer S21 Pro 234T — Is the Investment Worth It?

The Antminer S21 Pro is Bitmain's Pro line within the S21 series, available in three hashrate variants: 220T, 225T, and 234T. This page represents the top variant, the Antminer S21 Pro 234T, with the highest hashrate in the Pro line and effectively at S21 XP level — in a different price segment. The Pro series is built for stability in continuous operation: Bitmain has optimized firmware and thermal management specifically for 24/7 use in professional data centers. For operators who value reliability and high hashrate within the Antminer S21 Pro family, the 234T is the logical choice.

Profitability with hosting power rates

The S21 Pro 234T draws 3,800 W — a bit more than other models in its class. At hosting power costs of €0.062/kWh, daily costs are roughly €5.65. On European home power at €0.30/kWh that would be €27.36 per day. The €21+ daily gap shows clearly that this unit only operates economically in a professional hosting environment.

Versus the S21+ 235T, the Pro 234T offers comparable hashrate but draws 300 W more. Its advantage lies in the Pro firmware with extended thermal management and a higher continuous-operation rating. Compared to the cheaper Pro 225T, it delivers 9 TH/s more at moderate extra power draw.

Why buy at Minenity?

Professional hosting in USA or Asia included
No setup fees — installation, cabling, and commissioning free of charge
Online in 48–72 hours after order
European contracts with 21 Strategy GmbH (Berlin)
24/7 monitoring and maintenance by data center technicians
Payouts directly to your own wallet (operation via the ViaBTC pool)

Host this miner directly with us — or use our bitcoin mining calculator to simulate your scenario with the live BTC price and current network difficulty.

FAQ

Frequently asked questions about the Antminer S21 Pro 234T

The Pro series ships with optimized firmware for 24/7 operation, improved thermal management with tighter fan control, and stricter chip selection during quality control. The result is higher stability under continuous load and lower failure rates — important for professional mining operations.

The Pro 234T delivers 9 TH/s more hashrate at only 87 W extra draw. Per terahash, the price premium is moderate, and the higher hashrate boosts daily revenue directly. For operators who want maximum performance within the Pro series, the 234T is the right call.

The Pro 234T is available at both hosting locations for €2,499. As the high-end Pro model demand is high — for larger quantities we recommend an early inquiry.

The S21 Pro 234T comes with a 12-month manufacturer warranty, like every new unit in our shop. Within Minenity hosting, our data center technicians handle full maintenance and can often fix defects on-site, so you don't have to handle returns yourself.

In principle yes, though we recommend the original Bitmain firmware for the Pro series. Custom firmwares like BraiinsOS are compatible but may affect manufacturer warranty. Reach out if you have specific firmware requirements.

Yes, the power supply (PSU) is integrated. No separate PSU needed — the miner connects directly to the data center power supply.

About 75 dB — comparable to a vacuum cleaner running. Not suitable for home use, which is why we offer professional hosting: your miner runs in the data center and you have no noise at home.

The miner uses the SHA-256 algorithm and can mine Bitcoin (BTC), Bitcoin Cash (BCH), and Bitcoin SV (BSV). Most professional miners choose Bitcoin as the most profitable option.

Yes, as a self-employed individual or business you can depreciate ASIC hardware over 3 years. Consult your tax advisor for your specific situation. For US-based businesses, Section 179 deductions and bonus depreciation may apply to qualifying mining equipment.

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