Bitmain Antminer S21 Pro 250TH/s 3550W


✓ Model: S21 Pro

✓ Algorithm : SHA256 | BTC/BCH/BSV

✓ Hash Rate: 250TH/s ± 3%

✓ Power on Wall @25°C, Watt: 3550w ± 5%

✓ Power Efficiency on Wall @25°C, J/TH: 14.2 ± 5%

✓ Power Supply AC Input Voltage, Volt: 200~240

✓ Power Supply AC Input Frequency Range, Hz: 47~63

✓ Operation Temperature, °C: 0~40

✓ Operation Humidity (Non-condensing), RH: 10~90%

✓ Warranty: 2 years extended CYCLESAFE Vipera coverage, parts, repair or replacement


This is a preorder for the March 2024 production batch with delivery in late April 2024. All sales final. No returns or cancellations. For bulk inquiries, please consult a live chat agent or call our toll-free number.

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  • The Antminer S21 Pro is the Pro version of the Antminer S21, an innovative bitcoin mining device developed by Bitmain. The Antminer S21 Pro has a hashrate of up to 250TH/s and consumes just 3,550 watt of power.

    Bitmain launched the S21 series with advanced 5nm chips, which can increase the efficiency up to 40% compared to the previous S19 model, and for the S21 Pro, it reaches 14.2 J/T.

    There is no doubt that the Antminer S21 Pro will start a new round of the bitcoin mining arms race.

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    Antminer S21 Pro: Unmatched Power and Efficiency

    Prepare to be astounded by the Antminer S21 Pro, a groundbreaking mining machine that is set to redefine the world of cryptocurrency mining. With a commanding hash rate of 250TH/s ± 3%, this model stands at the forefront of mining technology, promising exceptional performance for the crypto community. Its power efficiency is equally remarkable, boasting a rate of 14.2 J/TH ± 5% at 25°C, ensuring that every watt of energy expended translates into a maximum output. The S21 Pro's power supply includes a PSU, allowing for hassle-free setup, while its networking prowess is demonstrated by its RJ45 Ethernet 10/100M connection mode. Furthermore, the meticulously engineered dimensions of 400195.5290mm (w/o package) and 570316430mm (with package) ensure that the miner fits seamlessly into your mining setup. Prepare to embark on a journey of unparalleled efficiency and power with the Antminer S21 Pro.

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    Efficiency Meets Innovation: Antminer S21 Pro's Cutting-Edge Features

    In the realm of cryptocurrency mining, innovation is the driving force behind progress, and the Antminer S21 Pro exemplifies this philosophy. With a dynamic design that accommodates a power supply AC input voltage of 200~240 Volt and an AC input frequency range of 47~63 Hz, the S21 Pro is equipped to adapt to various power sources, ensuring stability and flexibility. Its operational environment is equally versatile, with an operating temperature range of 0°C to 40°C, and a storage temperature capability of -20°C to 70°C. Whether you're a seasoned miner or new to the world of cryptocurrencies, the Antminer S21 Pro caters to your needs. Weighing 14.2 kg, this miner offers a sturdy build that supports its impressive specifications. From its top-tier hash rate to its sleek networking capabilities, the Antminer S21 Pro merges efficiency and innovation seamlessly, making it a must-have for the modern miner who demands nothing but the best.


Brand Antminer S21 Pro
Model S21 Pro
Algorithm | Cryptocurrency SHA256 | BTC/BCH/BSV
Hash Rate 250TH/s ± 3%
Power on wall @25°C, Watt 3550w ± 5%
Power efficiency on wall @25°C, J/TH 14.2 ± 5%
Power Supply With PSU
Power supply AC Input voltage, Volt(1-1) 200~240
Power supply AC Input Frequency Range, Hz 47~63
Power supply AC Input current, Amp(1-2) 20(1-3)
Networking connection mode RJ45 Ethernet 10/100M
Miner Size (Length*Width*Height, w/o package),mm(2-1) 400*195.5*290
Miner Size (Length*Width*Height, with package),mm 570*316*430
Net weight, kg(2-2) 14.2
Gross weight, kg 16.0
Operation temperature,°C 0~40
Storage temperature,°C -20~70
Operation humidity(non-condensing) , RH 10~90%
Operation altitude, m(3-1) ≤2000



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