I have several podcast-making friends who are switching to the iMac Pro. I prefer having the headroom the iMac Pro provides than running a system that sure seems like it could use a second fan.
In the i7 2017 iMac, I had the fastest computer ever coupled to its cooling system. In the base-model iMac Pro, I have the slowest computer that will ever be fitted to this cooling system. With my microphone less than a foot away, I don't have any fan noise in my recordings. Like Snell wrote on Six Colors, the fans seem to spin all the time, but Apple has the machine tuned in such a way that they don't really ever speed up the exhaust air just gets a little warmer.
Thanks to the 8-core Xeon CPU, it destroys my old iMac when it comes operations like podcast MP3 encoding and running my noise cancellation application, iZotope.Įven under load, this iMac Pro is silent. It doesn't blow away other iMacs in single-core tasks, but most of what I do is multi-threaded. At $4,999, it is the most expensive computer I have ever owned by a healthy margin, but in the week or so I've had it, I have been very happy with my purchase. So at the very end of the year, I returned my 2017 iMac and walked out of my local Apple Store with the standard configuration iMac Pro. I found myself popping into Activity Monitor to find some system process using 50% of the CPU, making the fan spin up. I needed a computer that would only be loud when I pushed the CPU the 2017 would spin its fan up with no obvious reason. I felt as if I couldn't trust the machine to stay quiet when I was recording podcasts or shooting video in my small studio. When HandBrake was running at full speed, the iMac Pro sounded pretty much the same-but the air coming out of the vents on the back was definitely warmer! In my normal office environment, I can't hear it-only when I spun the iMac Pro around and listened with all other devices off could I hear it, faintly blowing. So far as I can tell, the iMac Pro's fan may always be running, but it's amazingly quiet. When running HandBrake, the fan on my 5K iMac would always crank up and was quite audible when it did so. I was thinking about this, wondering if I should return the 2017 iMac when I read Jason Snell's first impressions of his entry-level iMac Pro:
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