BITMAIN Antminer Bitcoin Miner S21 Pro 245T with PSU Product Details
As a flagship air-cooled Bitcoin mining machine launched by Bitmain, the Antminer S21 Pro 245T redefines the benchmark for high-efficiency mining with its leading hashrate, excellent energy efficiency ratio and reliable stable performance. Equipped with a matched power supply unit (PSU), it realizes one-stop deployment, making it an ideal choice for medium and small-scale mining farms and professional miners pursuing high returns.
Core Performance: Unmatched Hashrate & Energy Efficiency
The Antminer S21 Pro 245T is tailored for the SHA-256 algorithm, which is perfectly compatible with Bitcoin (BTC), Bitcoin Cash (BCH) and other cryptocurrencies based on the same algorithm. Its core highlight lies in the 245TH/s high hashrate, with a hash rate fluctuation range controlled within ±3% and a daily average volatility of less than 3%, ensuring stable mining output and maximizing mining revenue.
In terms of energy efficiency, this model achieves an industry-leading 15 J/TH. Even in a high-temperature working environment of 40℃, it can still maintain this excellent energy efficiency level, greatly reducing power consumption per unit hashrate compared with previous-generation products. Under the condition of an electricity price of $0.06 per kilowatt-hour, it can bring considerable daily profits to miners, showing strong competitiveness in the post-halving era of Bitcoin where mining difficulty is increasing.
Hardware Specifications: Solid & Reliable Design
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Specification Item
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Details
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Model
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Antminer S21 Pro 245T
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Supported Algorithm
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SHA-256
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Hashrate
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245TH/s (±3%)
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Energy Efficiency Ratio
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15 J/TH (at 25℃)
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Voltage Range
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220-277V
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Cooling Method
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Air cooling (4 fans + dual air ducts)
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Noise Level
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75-76 dB (at 25℃)
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Dimensions (L×W×H)
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450×219×293 mm (including interface protrusions)
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Net Weight (Bare Machine)
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15.4 kg
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Packaged Weight
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20-24 kg
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Interface Type
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RJ45 Ethernet Port (10/100M)
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Key Advantages: Efficient, Stable & Easy to Deploy
Optimized Heat Dissipation System
Adopting an air-cooled design with 4 fans and a dual air duct structure, the mining machine forms efficient air circulation through multiple air inlets, which can quickly discharge the heat generated during high-load operation. It can operate stably in the ambient temperature range of 0-45℃, and even in the extreme environment of -20-45℃, it can withstand the test, adapting to different mining site environments.
Convenient Deployment & Management
The product comes with a matched PSU, eliminating the trouble of users purchasing and matching power supplies separately, and realizing plug-and-play one-stop deployment. It supports 10/100M network speed through the RJ45 Ethernet interface, which is compatible with remote monitoring and batch management functions, facilitating miners to grasp the operation status of the mining machine in real time and improve management efficiency.
Durable & Long-Lasting
The fuselage is made of high-quality metal materials, with a solid structure and strong durability. The optimized hardware design and strict quality control ensure that the mining machine can maintain stable operation for a long time under high-load working conditions, extending the service life of the chip and reducing maintenance costs.
Applicable Scenarios
Due to its excellent performance and stable operation characteristics, the Antminer S21 Pro 245T is especially suitable for medium and small-scale mining farms, areas with moderate electricity costs, and environments with a certain tolerance for noise. It should be noted that when deployed at an altitude above 900m, the maximum working temperature of the equipment needs to be reduced by 1℃ for every 300m increase in altitude to avoid the impact of low-pressure environment on heat dissipation efficiency.
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