When I was looking for coolers I wanted something that wouldn't be too noticeable as it would be visible under my TV and I wanted a passive cooler. As long as it meets the requirements. The Raspberry PI 4 gets pretty hot so you can't use it with every workload and don't have a cooler on it and this one works fine. This cooler doesn't heat up that easily and even stayed under 60°C in some stress tests (results in the test report). It was easy to assemble and all the in/out ports were still accessible. This makes the GPIO pins a little harder to access, but not impossible. The included GPIO adapter is useful if you're using it in a "lab environment" where you need to access it frequently, but you might want to throw it away if your setup is permanent. Overall, this is a solid choice when passive cooling is required.
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