It's a problem, replace it. By the way, the Pro version of this AIO is coming soon and it has better fans. Just as an aside....

Hi, in most cases the lack of a GND is not a problem if the appropriate connections are available. Personally, I have connected each fan individually to the motherboard.

Unfortunately not to be answered. It was not for me to buy.

Hello, unfortunately I have no idea what AIO means. I did a search on the internet and found this page.
https://revolutionpi.com/forum...
Unfortunately in English