ASUS ROG Ryujin II 360 AIO Cooler Review

We highlight VRM temperatures when using each cooler on our Gigabyte B550 Aorus Master motherboard with the overclocked Ryzen 9 5950X. Do note that the results are heavily influenced by the specific layout of the Gigabyte B550 Aorus Master test motherboard with respect to top-side or rear IO-side VRM components. So your findings may vary if you have a different motherboard VRM layout and heatsink design.

VRM cooling is where the ROG Ryujin II 360 really excels, all thanks to that 60mm 4800 RPM embedded fan.

Positioned close to the actual VRM components, the ability of the small blower to provide direct airflow to MOSFETs proves highly beneficial for cooling proficiency. Even air coolers such as the Noctua NH-D15 cannot compete in terms of VRM cooling.

With the embedded fan speed reduced to a more tolerable noise level, though, VRM cooling suffers accordingly. The result with reduced fan speeds is still good, but it’s not nearly as impressive as the full speed performance.

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