Whatsminer P463B / P663B Power Supply for M56 & M66 Immersion Cooling Miners
High-Efficiency PSU Built for Liquid-Cooled Mining Systems

The Whatsminer P463B and P663B Power Supply Units are purpose-built for the Whatsminer M56 and M66 ASIC miners using oil immersion cooling. Designed to operate reliably under intense heat and high-load conditions, these PSUs ensure consistent and efficient power delivery for demanding mining environments.

Reliable Power Delivery for Peak Mining Performance

Delivering a powerful 8000W main output along with a 14W auxiliary output, these PSUs provide stable performance with optimized thermal management. The integrated liquid cooling system improves heat dissipation, while I2C communication support enhances system monitoring and control.

With their durable construction and performance-focused design, the P463B and P663B are essential for maintaining uptime and maximizing efficiency in immersion-cooled crypto mining setups.