Subscribe to TG channel 
Login
Shipping in 2 - 5 working days 
BTC 
Bitmain Antminer S21 Pro(234Th) 3510W BTC Miner
Get the latest high-performance Bitmain Antminer S21+ 234T 3510W Btc miner with a hash rate of 235 terahashes per second and efficient energy usage. Maximize your mining profitability today!
Because the mining machine market changes too fast, the price of mining machine may change in a short time, so please confirm the price again with our sales before placing an order
Get a VIP Price
Verified Vendor on ASICPrices Global warehouse stock in CN / US / UAE
Direct manufacturer sourcing, no reseller markups
Warranty & support handled by our own tech team
.svg){kind=icon}
Description
Bitmain Antminer S21 Pro (234Th) is an ASIC miner designed for SHA-256 algorithm, specifically targeting BTC (Bitcoin) . It delivers a maximum hashrate of 234Th/s while consuming 3510W of power, resulting in an energy efficiency of 15j/Th.
Specification
| Model | S21 Pro |
| Algorithm | Cryptocurrency | SHA256 | BTC/BCH |
| Hashrate, TH/s | 234 |
| Power on wall @25°C, Watt | 3510 |
| Power efficiency on wall @25°C, J/TH | 15 |
| Detailed Characteristics | |
| Power supply | |
| Power supply AC input voltage, Volt(1-1) | 220~277 |
| Power supply AC input frequency range, Hz | 50~60 |
| Power supply AC input current, Amp(1-2) | 20(1-3) |
| Adapted AC output power requirement, W(2-3) | 4000 |
| Hardware Configuration | |
| Network connection mode | RJ45 Ethernet 10/100M |
| Miner size (length*width*height, w/o package),mm(2-1) | 450*219*293 |
| Miner size (length*width*height, with package),mm | 680*390*450 |
| Net weight, kg(2-2) | 20 |
| Gross weight, kg(2-2) | 22 |
| Noise@25℃(2-4)，dBA | 76 |
| Environment requirements | |
| Operation temperature,°C | -20~45 |
| Storage temperature,°C | -20~70 |
| Operation humidity(non-condensing) , RH | 10%~90% |
| Warranty | 180days |
Mining Pools
Next-Gen BTC Mining with SHA-256 Power Efficiency
The Bitmain Antminer S21 Pro pushes SHA-256 mining further with a hashrate of 234Th/s and power consumption of just 3510W. Delivering an improved performance-to-watt ratio, it represents a new generation of ASIC design optimized for Bitcoin mining scalability and profitability. The Pro variant introduces enhanced thermal control, chipset tuning, and a higher operational ceiling under load.
Designed for mining farms that demand consistent output with energy-conscious planning, the S21 Pro maintains stable performance over long sessions. Its upgraded circuitry minimizes electrical loss, while dynamic power adjustment adapts to varying grid loads and workload intensity.
Engineered for Scalable Mining and Energy Optimization
- Reaches 234Th/s SHA-256 hashrate for BTC operations
- Operates at 3510W with optimized 15J/Th energy ratio
- Supports continuous uptime in power-regulated environments
- Reinforced chipboard design ensures long-term durability
- Compatible with low-voltage, high-efficiency power strategies
The Bitmain Antminer S21 Pro incorporates intelligent firmware that balances speed, power, and heat based on real-time mining loads. This prevents unnecessary throttling and improves total output consistency. Its compact frame also allows for dense horizontal scaling, making it ideal for professional farms planning efficient rack utilization.
For miners expanding SHA-256 operations with strict power budgets, the S21 Pro offers a high-efficiency architecture without sacrificing performance. Its smart control systems and proven build quality deliver reliable BTC mining under evolving energy conditions.
Which Miner Should You Buy?
Choosing the right miner depends on your target coin, electricity cost, and expected ROI.
To help you decide, we’ve ranked the latest ASIC miners by profitability based on real-time market data. Whether you’re mining Bitcoin, Kaspa, or Alephium, our ranking table helps you find the most profitable mining hardware for your setup.
- Miner
- Coin
- Price
- Hashrate
- Power
- Efficiency
- Algorithm
- Profitability
- Payback
FAQs
You May Also Like
-
Bitaxe Gamma 601 1.2T (Upgrade to the Silent Model) SOLO BTC Miner
$82.00$89.00 -0.82%BTC
BCH
Analysis Report of the Hot-selling Aleo Mining Machine in July 2025
ASLMiner Team Joined the Mining Disrupt 2025 in Miami USA
Let’s Welcome Kilo Sponsor ASL Miner
Join us on Telegram
Don’t miss special promotions and priority access to bulk-order offers.
