The Be Quiet! Silent Loop 2 AIO Cooler Review:
 

A familiar presence here at AnandTech, Be Quiet! has settled in to distinct niche for itself in the PC peripherals market over the years by simply living up to the company's name. Tuning their device designs for minimal acoustics, the company successfully expanded into all-in-one (AIO) liquid coolers back in 2016. It's a product segment where, even though the design of closed-loop systems is quite restrictive, the company’s engineers have always been trying to innovate and differ from the competition. A prime example of this approach could be the Pure Loop series that hit the market back in 2020, which had a decoupled liquid pump.

https://www.anandtech.com/show/20037...-cooler-review