Bitmain Antminer S21 Pro 234TH/s ASIC Miner
The Bitmain Antminer S21 Pro 234TH/s is a SHA-256 ASIC cryptocurrency miner designed for Bitcoin mining. Manufactured by Bitmain, it delivers a stated maximum hashrate of 234 TH/s with a power consumption of 3,510W.
Featuring a calculated energy efficiency of approximately 15 J/TH, four cooling fans and Ethernet connectivity, the Antminer S21 Pro is designed for dedicated cryptocurrency mining environments. According to the supplied product description, the unit includes a power supply and comes with a 365-day warranty.
Bitmain Antminer S21 Pro Key Features
- Manufacturer: Bitmain
- Model: Antminer S21 Pro
- Algorithm: SHA-256
- Maximum hashrate: 234 TH/s
- Power consumption: 3,510W
- Calculated energy efficiency: 15 J/TH
- Cooling system: Four fans
- Noise level: 76 dB
- Connectivity: Ethernet
- Operating voltage: 220–277V
- Power supply: PSU included (as supplied)
- Warranty: 365 days (as supplied)
Bitmain Antminer S21 Pro Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | Bitmain |
| Model | Antminer S21 Pro |
| Algorithm | SHA-256 |
| Maximum hashrate | 234 TH/s |
| Power consumption | 3,510W |
| Calculated efficiency | 15 J/TH |
| Dimensions (without packaging) | 450 × 219 × 293 mm |
| Dimensions (with packaging) | 680 × 390 × 450 mm |
| Net weight | 20 kg |
| Noise level | 76 dB |
| Fan count | 4 |
| Storage temperature | -20–70°C (verify) |
| Voltage | 220–277V |
| Interface | Ethernet |
| Operating temperature | -20–45°C |
| Humidity | 10–90% |
| Warranty | 365 days (as supplied) |
Mining Performance and Energy Efficiency
The Bitmain Antminer S21 Pro delivers a stated maximum hashrate of 234 TH/s using the SHA-256 algorithm. With a power consumption of 3,510W, its calculated energy efficiency is approximately 15 joules per terahash (J/TH).
Actual mining performance and electricity consumption may vary depending on firmware, operating conditions, power supply and equipment condition.
Cooling and Operating Environment
The Antminer S21 Pro is equipped with four cooling fans designed to manage heat during mining operation. It has a listed noise level of 76 dB and an operating temperature range of -20–45°C.
The specified humidity range is 10–90%. A well-ventilated installation area with adequate airflow is recommended.
SHA-256 Bitcoin Mining
Designed for the SHA-256 algorithm, the Bitmain Antminer S21 Pro is suitable for Bitcoin mining and other compatible SHA-256 proof-of-work networks. Its 234 TH/s hashrate and calculated energy efficiency of 15 J/TH make it an option for dedicated mining operations.
Power Supply and Warranty
According to the supplied product information, the Antminer S21 Pro comes with a power supply unit (PSU) included and a 365-day warranty. Confirm the PSU specifications and applicable warranty terms before purchase.
Availability and Worldwide Shipping
The supplied product information lists the Antminer S21 Pro as available from the Mine Your Wealth warehouse in Hong Kong, with international delivery options. Contact our sales team to confirm current stock availability, shipping arrangements and estimated delivery times.
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