asrock b550 phantom gaming itx/ac

I have my heart set on AMD 5900X. I am going to be using it for occasional 4k video editing. I am not big on gaming but I might want to play a couple of games that my old AMD RX570 GPU would allow. The question I am faced with is - Is Asrock B550 Phantom Gaming going to be bottleneck for...

Recently, I upgraded my CPU which required a mobo + ram upgrade as well (was running ddr3 prior). I took out the hard drives and SSD setup I have. On my old computer, I had 1 SSD (256GB) with the OS and other useful applications, and 3 TB worth of HDDs. I have an ASRock b550 phantom gaming...

(Note: I am going to post this in both PSU and Motherboard, because at this point I am uncertain which is the cause of this problem) I recenty built a PC with the specs: Mobo: ASRock B550 Phantom Gaming ITX/ac PSU: Cooler Master V650 SFX CPU: Ryzen 7 5800x RAM: 16x2GB Team VulcanZ DDR4 Storage...