- Review -
NH-L9a
So what advantage does this cooler have over the bundled stock heatsink? For one, the unit is virtually inaudible and extremely quiet. By default, the included fan operates at 2500 rpm and contains an Acoustical Noise level of 23.6 db(A). When you attach the Low Noise Adapter, this limits the fan speed to 1800 rpm and dramatically reduced the noise rating to 14.8 db(A).
"The Noctua NH-L9i is undoubtedly the coolest and quietest ITX heatsink I’ve tested. Noctua have performed miracles when you consider the high-airflow and reasonable temperatures given its limiting size." (John Williamson, TruePCGaming.com)
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