Antminer S21 Pro 234T – Efficient SHA-256 Mining for Professional Bitcoin Operations
The Antminer S21 Pro 234T is a high-performance ASIC miner designed for efficient Bitcoin mining. Built for professional miners and large-scale operations, this model combines 234 TH/s of hashrate, 3,510 W power consumption, and 15.0 J/TH energy efficiency to support stable 24/7 operation and long-term mining performance.
It is designed for mining Bitcoin (BTC), Bitcoin Cash (BCH), and Bitcoin SV (BSV) and uses a proven air-cooled architecture for straightforward deployment. That makes it a solid choice for operators who want reliable performance, standard network connectivity, and efficient day-to-day operation without specialized cooling infrastructure.
Built for Stable 24/7 Mining
The Antminer S21 Pro 234T is built to deliver dependable SHA-256 performance for operators targeting Bitcoin and related SHA-256 coins. Whether deployed as a single unit or as part of a larger farm, it is positioned as hardware for miners who value consistency, efficiency, and operational stability.
Technical Specifications
- Brand: Antminer
- Model: S21 Pro
- Algorithm: SHA-256
- Hashrate: 234 TH/s
- Power consumption: 3,510 W
- Energy efficiency: 15.0 J/TH
- Supported coins: BCH, BSV, BTC
- Cooling system: Air cooling
- Noise level: 75 dB
- Connectivity: Ethernet
- Dimensions: 400 x 195 x 290 mm
- Weight: 14.2 kg
- Release: 2025 / 8th Gen
Key Benefits
- Competitive hashrate: up to 234 TH/s for algorithm-specific mining performance.
- Efficiency-focused design: rated at 15.0 J/TH to help manage operating costs over time.
- Straightforward setup: air cooling and Ethernet connectivity make integration simpler in many mining environments.
- 24/7 operation: built for miners who need stable day-to-day performance and dependable long-term uptime.
Who Is the Antminer S21 Pro 234T For?
The Antminer S21 Pro 234T is well suited for professional Bitcoin miners, hosting clients, and farm operators who want dedicated SHA-256 hardware with a strong balance of output, efficiency, and operational stability.

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