msi b550 gaming gen 3

I have a MSI B550 Gaming Gen3 motherboard which only have 4-pin JRGB headers. However my fans have 4-pin blocks, but only have 3 pins (one pin space is blank (not hollowed out)). I am trying to sync my lights together, and have tried hubs but either the hubs are not compatible or they are 4-pin...

I have a crucial 2280 1tb p3 m.2 SSD with a b550 gaming gen3 am4 motherboard. My problem is that I cant use the SSD it shows up in bios but when I try to enable it or set it as the boot drive its not possible, I also cant set it up in disk management and it doesn't show up in file explorer but...

Hello there! Iam here to ask you for some technical advices on an issue im having on my new (and first) pc build. Here are the specs: MOBO: MSI B550 Gaming GEN3 CPU: Ryzen 5 5600 GPU: XFX Radeon RX 6600 Memory: Lexar thor 2x8GB DDR4 3200MHz Storage: crucial ssd 1tb PSU: MSI MAG A660BN WIFI...