Overview
The Bitmain Antminer S21 Immersion (301Th) by Bitmain is a professional-grade cryptocurrency mining machine utilizing the SHA-256 algorithm to mine Bitcoin (BTC). Delivering an impressive hashrate of 301 Th/s while consuming 5569W of power at 18.5 J/TH efficiency, this miner offers excellent performance for both mining farms and individual miners.
Key Features
- High Hashrate: 301 Th/s for maximum mining output
- Power Efficiency: Optimized 5569W power consumption for cost-effective mining
- Energy Efficiency: 18.5 J/TH — industry-leading efficiency ratio
- SHA-256 Algorithm: Purpose-built for Bitcoin (BTC)
- Bitmain Quality: Built by a trusted manufacturer with proven reliability
- Plug & Play Setup: Quick and easy installation for immediate mining operation
- 24/7 Operation: Industrial-grade components designed for continuous mining
Technical Specifications
| Manufacturer | Bitmain |
| Model | Bitmain Antminer S21 Immersion (301Th) |
| Algorithm | SHA-256 |
| Minable Coin | Bitcoin (BTC) |
| Hashrate | 301 Th/s |
| Power Consumption | 5569W |
| Energy Efficiency | 18.5 J/TH |
| Condition | Brand New / Factory Sealed |
Mining Profitability
The Bitmain Antminer S21 Immersion (301Th) with its 301 Th/s hashrate and 5569W power draw offers a strong efficiency ratio of 18.5 J/TH. Actual mining profitability depends on factors including electricity costs, network difficulty, and cryptocurrency market prices. We recommend using online mining calculators to estimate your potential returns based on your local electricity rates.
What’s in the Box
- Bitmain Antminer S21 Immersion (301Th) Mining Unit
- Power Supply Unit (PSU) — where applicable
- Power Cables
- User Manual / Quick Start Guide
Why Buy from BullMiners?
- Authorized Dealer: Genuine products sourced directly from manufacturers
- Fast EU Shipping: Quick delivery across Europe from our warehouse
- Expert Support: Dedicated mining support team to help with setup and optimization
- Secure Payment: Multiple payment options including crypto payments
- Warranty Included: Full manufacturer warranty on all products
hugo24 (verified owner) –
The Bitmain Antminer S21 Immersion (301Th) joined my mining operation 1 months ago. Output has been steady since day one. Best mining equipment shopping experience I’ve had. A++ seller and product.
Ryan (verified owner) –
Ordered the Bitmain Antminer S21 Immersion (301Th) after a friend recommended BullMiners. Running strong around the clock. Delivery was a bit slow but the product is fine. It works, that’s what matters.
Johan (verified owner) –
The Bitmain Antminer S21 Immersion (301Th) was well packaged and arrived on time. Hash rate is stable and matches the specs. Packaging was professional and secure. Five stars, no hesitation.
Daniel Z. (verified owner) –
Finally got my hands on the Bitmain Antminer S21 Immersion (301Th) through BullMiners. Performance is solid for this price point. Arrived in good shape though tracking could improve. Four stars — good but room for small improvement.
benjamin78 (verified owner) –
Finally got my hands on the Bitmain Antminer S21 Immersion (301Th) through BullMiners. Delivers exactly what’s on the spec sheet. Delivery to Romania was reasonable at 5 days. Happy with my decision to go with BullMiners.