Bitmain
Antminer S21 Pro
🔥 Get a Bitcoin-Backed Loan with Firefish
Firefish lets you borrow cash or USDC using Bitcoin as collateral.
Simply register, complete KYC, and choose between two loan options.
Your Bitcoin is securely locked in escrow until repayment, and you can get liquidity without selling your BTC.
Set your own terms and get matched with an investor for lower loan amounts in fiat. Once funded, receive cash directly to your bank account. Ideal for flexible borrowing options.
Get USDC instantly with no waiting. Deposit your Bitcoin into escrow and receive funds directly in your wallet. Best for quick access to stablecoins.
Once funded, receive cash directly to your bank account or USDC to your wallet.
PLEASE NOTE THAT THE PRICES OF ASIC MINERS ARE VERY VOLATILE. WE STRONGLY ADVISE TO CONTACT US VIA THE GET A QUOTE BUTTON ABOVE.
Antminer S21 Pro is an energy-efficient mining machine that provides high hash rates while keeping electricity costs low. Designed for professional and industrial mining farms, it includes a sophisticated cooling system for prolonged operation. The miner features upgraded firmware for improved security and mining optimization. It is built with high-quality materials, ensuring a long lifespan and maximum profitability. With a balance between energy consumption and processing power, the S21 Pro remains a top-tier choice for bitcoin miners. Its durable design ensures consistent performance with minimal maintenance.
| Specification | Details |
| Release Date | April 2024 |
| Algorithm | Cryptocurrency | SHA256 | BTC/BCH |
| Hashrate | 234 TH/s ±3% |
| Power Consumption | 3510W ±5% |
| Power Efficiency | 15.0 J/TH ±5% |
| Power Supply AC Input Voltage | 220~277V AC |
| Power Supply AC Input Frequency Range | 50~60 Hz |
| Power Supply AC Input Current | 20A |
| Networking Connection Mode | RJ45 Ethernet 10/100M |
| Miner Size (Length x Width x Height, without package) | 450 x 219 x 293 mm |
| Miner Size (Length x Width x Height, with package) | 680 x 390 x 450 mm |
| Net Weight | 20 kg |
| Gross Weight | 22 kg |
| Noise Level | 76 dB |
| Operating Temperature | -20~45 °C |
| Storage Temperature | -20~70 °C |
| Operating Humidity (non-condensing) | 10~90% RH |
| Operating Altitude | ≤2000 m |
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