The Whatsminer P221B Power Supply Unit (PSU) is a high-quality, original replacement PSU designed specifically for the Whatsminer M31s series. Engineered for stable and efficient power delivery, it ensures your miner maintains optimal performance and uptime during continuous 24/7 operation.

Built with industrial-grade components, the P221B provides durability, thermal stability, and advanced protection features, including over-voltage, over-current, and short-circuit protection. This makes it an ideal choice for professional mining farms and home miners looking for reliable performance.

Key Features

• Compatibility: Whatsminer M31s series

• High Efficiency: Optimized for stable, continuous mining

• Durability: Industrial-grade components for long-term reliability

• Safety Features: Over-voltage, over-current, and short-circuit protection

• Stable Power Delivery: Ensures maximum hash rate and performance

• Easy Replacement: Plug-and-play design for quick installation

Why Choose Whatsminer P221B?

✅ Original Bitmain PSU for guaranteed quality
✅ Provides stable and reliable power for M31s miners
✅ Designed for continuous 24/7 operation
✅ Ensures optimal performance and miner longevity