Overview
The Bitmain Antminer S21+ 235T by Bitmain is a professional-grade cryptocurrency mining machine utilizing the SHA-256 algorithm to mine Bitcoin (BTC). Delivering an impressive hashrate of 235 Th/s while consuming 3877W of power at 16.498 j/Th efficiency, this miner offers excellent performance for both mining farms and individual miners.
Key Features
- High Hashrate: 235 Th/s for maximum mining output
- Power Efficiency: Optimized 3877W power consumption for cost-effective mining
- Energy Efficiency: 16.498 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+ 235T |
| Algorithm | SHA-256 |
| Minable Coin | Bitcoin (BTC) |
| Hashrate | 235 Th/s |
| Power Consumption | 3877W |
| Energy Efficiency | 16.498 j/Th |
| Condition | Brand New / Factory Sealed |
Mining Profitability
The Bitmain Antminer S21+ 235T with its 235 Th/s hashrate and 3877W power draw offers a strong efficiency ratio of 16.498 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+ 235T 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

nina385 (verified owner) –
Reliable unit. My Bitmain Antminer S21+ 235T has been running for 6 months. Running smoothly on the included power supply. took a little time to find the right pool settings but nothing major.
Giovanni L. (verified owner) –
Best purchase I’ve made this year. The Bitmain Antminer S21+ 235T Runs quiet for a miner of this caliber. BullMiners support team helped me with the initial setup. The warranty and support give me peace of mind.
michael499 (verified owner) –
Reliable and efficient. The Bitmain Antminer S21+ 235T Getting stable performance numbers around the clock. BullMiners delivered on time. initial setup required some troubleshooting.