In stock
Antminer S21 Pro
BTC
6.47 $
Daily profit
22.7 mo
Payback period

SKU: ANTS21.218 Antminer S21 Pro - 234 TH/s

Hashrate, TH/s
Quantity
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+
Min: 1 item
4 330 USDT (with VAT)
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Manufacturer Bitmain
Model S21 Pro
Version 10
Hashrate 234.0 TH/s ± 3%
Size w/o package 450 x 219 x 293 mm
Size with package 640 x 360 x 450 mm
Weight Net 18500 g
Weight Gross 21500 g
Cooling system Air
Noise level 76 dB
Power 3510 W ± 5%
Voltage 220 - 277 V
Interface RJ45 Ethernet 10/100M
Storage Temp. -20 - 70 °C
Temperature -20 - 45 °C
Humidity 10 - 90 %
Power efficiency 15 W/TH ± 5%

The model utilizes the SHA-256 algorithm, which is optimized for Bitcoin and various other cryptocurrencies. Operating at 3510 W, the Antminer S21 Pro strikes a balance between high performance and manageable energy usage. The S21 Pro ASIC miner demonstrates remarkable power efficiency with an energy consumption rate of 15 J/TH while boasting an impressive hashrate of 234 TH/s. This means you get more mining power for less electricity consumption


Antminer S21 (234TH/s) model from Bitmain, SHA-256 mining algorithm with 3510W power consumption and 17.5 ±5% efficiency. The new S21 model offers 66% higher hashing speed – S21 234TH/s versus 141TH/s on S19j XP.

High-quality waterproof and dustproof components are used for protection, which creates ideal working conditions and ensures long-term operation.

International deliveries

- From the warehouse: from 7 to 10 days (depending on customs and the volume of your order).

- From the factory: within 8 days.



1. A 365-day warranty is provided starting from the shipping date from Uminers warehouse. 

2. The warranty only applies to the original purchaser who purchased the machine directly from Uminers. Once the miner is resold, warranty coverage becomes the responsibility of the re-seller.

3. If the user fails to use the product per the given instructions, specifications, and conditions provided or changes the function settings of the unit, Uminers will not be liable for any damage arising therefrom.

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Warranty up
to 12 months
Since all our equipment comes directly from manufacturers, you will have an official warranty
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Even if we don’t have the items you need right now, we will deliver them within 1-2 weeks
Full documentation. 100% legal
You are purchasing equipment legally in compliance with the law and customs regulations.

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