Bitmain · Antminer· SHA-256
Antminer S21+ 235 TH/s
The Bitmain Antminer S21+ 235T belongs to the latest generation of high-efficiency bitcoin ASIC miners. With 235 TH/s hashrate and only 3,500 W power draw, it reaches an energy efficiency of 14.9 J/TH — ideal for professional mining hosting with cheap industrial power.
235 TH/s14.9 J/THAirHosting includedEuropean contractNo setup fees
Price including hosting & setup (net)
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Hosting Asia
from €0.062/kWh · hydropower
from €0.062/kWh · hydropower
On request
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Hosting USA
from €0.066/kWh · 99.2% uptime
from €0.066/kWh · 99.2% uptime
On request
We get back to you personally within 24 hours.
Technical data
Full specifications
| Algorithm | SHA-256 |
| Hashrate | 235 TH/s |
| Power consumption | 3.500 W |
| Efficiency | 14,9 J/TH |
| Cooling | Air |
| Connectors | 4x 6-Pin |
| Dimensions | 400 x 195 x 290 mm |
| Weight | 14,5 kg |
Buy Antminer S21+ 235T — Is the Investment Worth It?
The Antminer S21+ 235T offers the best price-performance ratio in Bitmain's current product line. With 235 TH/s hashrate and 14.9 J/TH efficiency, it sits between the premium S21 XP segment and the Pro series — at a much more attractive entry price. This miner suits buyers who want solid hashrate with good efficiency without paying the premium for the absolute flagship. Combined with professional hosting, the S21+ unlocks its full potential as a high-yield mining investment.
Profitability with hosting power rates
Daily power costs of the S21+ at hosting rates of €0.062/kWh are around €5.21. Running the same miner at home in Europe at €0.30/kWh would cost roughly €25.20 per day. The €20 daily delta shows why professional hosting is essential for profitable mining — for the S21+ it adds up to over €7,000 per year.
Compared directly to the Sealminer A2 224T, the S21+ delivers 11 TH/s more hashrate at almost identical efficiency (14.9 vs. 14.7 J/TH). Versus the Whatsminer M60S+ it provides 29 TH/s more — the S21+ hits the sweet spot between price and performance.
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
- Full control over pool, wallet, and configuration
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+ 235T
The S21+ combines a high 235 TH/s hashrate with a comparatively low entry price from €2,495 (Asia hosting). At 14.9 J/TH it reaches efficiency only marginally behind the much more expensive S21 XP. The ratio of acquisition cost to daily mining output is unmatched in any other Bitmain model.
Although both deliver similar hashrates (235 vs. 234 TH/s), the S21+ at 3,500 W draws less power than the Pro 234T at 3,800 W. That gives a better efficiency of 14.9 vs. 16.2 J/TH. The S21+ is therefore the more economical choice for cost-conscious buyers.
At €0.062/kWh hosting power, monthly power costs run about €156 (€5.21 × 30 days). There's no separate hosting fee — power is the only recurring cost beyond the purchase price in Minenity's hosting model.
Yes, the S21+ is excellent as a first ASIC miner. The attractive price lowers the entry barrier while high efficiency delivers solid returns. Combined with Minenity hosting, all technical hurdles disappear — you only need to manage pool and wallet.
Yes, bulk orders are possible and often come with tiered discounts. For larger orders we prepare individual offers. Contact us for a custom quote starting at 5 units.
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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