Capture card records too few fps?

My capture card is the following product: https://www.otto.de/p/decome-4k-hdmi-to-usb3-0-1080p-recording-box-hd-video-capture-geraet-video-adapter-S004S0PO/#variationId=S004S0POKHAR I'd like to record my PS5 and Switch gameplay, but instead of the promised 60 fps, my laptop is only outputting 30 fps (maximum). I use OBS for recording and have already configured everything correctly in the program. I've already disabled HDCP and the resolution is set…

What kind of computer and capture card do you need for streaming?

Have a wonderful good day! I've been thinking about starting streaming and doing let's plays, but I have no idea about computers etc. This should happen on my PS4 and eventually PS5. Unfortunately, I have no idea which setup would be best for editing the videos properly. That's why it would be helpful if someone…