On 08/10/2012 01:30 AM, John H. Reinhardt wrote: All were fairly noisy for their size. Maybe not noticeable in a computer center, but definitely in a home setting. Well, this is definitely a size/noise tradeoff, at least in many cases. For low noise, you generally want large-diameter, low-speed fans. For fans small enough to fit into a 1U enclosure, neither of those are attainable, so you end up with the little screamers. -Dave -- Dave McGuire, AK4HZ New Kensington, PA