What are the operating temperature limits and key environmental safety requirements for the PRIME B660-PLUS D4?

The motherboard should only be used in environments with ambient temperatures between 0°C and 40°C. Avoid dust, humidity, and temperature extremes, and do not place the product in any area where it may be exposed to moisture. Always place the product on a stable surface, and disconnect the power cable from the electrical outlet before relocating the system to prevent electrical shock hazard.