“Fantastic - I would say essential - addition to a Pi4. Very easy to put together and install. My one concern before getting it was that it would be annoyingly noisy. However, in reality, even with two fan shims (on 2 PI4s) sitting under my monitor on my desk, they are effectively inadible. Even with my ear right next to them, the sound is almost inaudible - and what there is, importantly, is a rather pleasant low frequency, rather than an annoying high pitched whine that I had been expecting.
An essential purchaser if you have a Pi4.”
