Overview
The Bitmain Antminer S21+ (235Th) 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 3,820W of power at 16.25 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 3,820W power consumption for cost-effective mining
- Energy Efficiency: 16.25 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+ (235Th) |
| Algorithm | SHA-256 |
| Minable Coin | Bitcoin (BTC) |
| Hashrate | 235 Th/s |
| Power Consumption | 3,820W |
| Energy Efficiency | 16.25 J/TH |
| Condition | Brand New / Factory Sealed |
Mining Profitability
The Bitmain Antminer S21+ (235Th) with its 235 Th/s hashrate and 3,820W power draw offers a strong efficiency ratio of 16.25 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+ (235Th) 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
dylan877 (verified owner) –
It does the job. Bitmain Antminer S21+ (235Th) Hitting the advertised hashrate consistently. the noise level is higher than I anticipated — need a dedicated room for it. BullMiners was responsive when I reached out about it.
matteo681 (verified owner) –
Average experience overall. Bitmain Antminer S21+ (235Th) Energy efficiency is solid for this class of miner. I had to contact support twice before getting a response, but they were helpful when they replied. Support team could be faster to respond.
dylan322 (verified owner) –
Nice miner from BullMiners. The Bitmain Antminer S21+ (235Th) Hashrate is exactly what was promised. the power cable was a bit short but customer service responded quickly.
Mike O. (verified owner) –
Amazing mining performance from this Bitmain Antminer S21+ (235Th). Quality construction and reliable operation. Shipping to Denmark was quick and everything arrived in perfect condition.