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A rear exhaust is a good idea, I am running a Noctua NH-U9S with a Redux fan pointing to the rear exhaust and the standard 92mm fan that came with the cooler as an exhaust.The Redux shifts less air than the standard 'Coffee N Cream' fan, but does look better. If I was doing a higher CPU OC or had a hotter OC, I would only use standard Noctuas as the cool better than the Reduxes.I have no idea if the NH-L9X64 will be sufficient to cool your forthcoming Ryzen 5, but I do know that the NH-U9S is a tried and tested solution in the M1.
A rear exhaust is a good idea, I am running a Noctua NH-U9S with a Redux fan pointing to the rear exhaust and the standard 92mm fan that came with the cooler as an exhaust.
The Redux shifts less air than the standard 'Coffee N Cream' fan, but does look better. If I was doing a higher CPU OC or had a hotter OC, I would only use standard Noctuas as the cool better than the Reduxes.
I have no idea if the NH-L9X64 will be sufficient to cool your forthcoming Ryzen 5, but I do know that the NH-U9S is a tried and tested solution in the M1.
