resolution on Windows 7: 1920 × 1088 pixels for both software and DXVA decoding resolution: 4096 × 2304 pixels (currently any resolution higher than Full HD will be cropped) Chroma Formats: 4:2:0 chroma or monochrome are supported.

Baseline, Main, and High profiles up to level 5.1 are supported.

H.263 is not supported with ATI graphic cards.

Video Decoder for Avid DNxHD® does not yet support Apple silicon, but can be used on Macs with Apple CPU if the host application is launched in Rosetta mode. The license for Video Decoder for Avid DNxHD® requires a USB-eLicenser. Import and playback of videos encoded with Avid DNxHD or Avid DNxHR requires Video Decoder for Avid DNxHD® licensed by Avid, which is available in our online shop. *'Video Decoder for Avid DNxHD®' license required (see below) Avid DNxHD and Avid DNxHR

Recommended codecs and encoding settings.

Supported embedded audio formats for 'Extract Audio From Video File'.

(Video was not a feature in older WaveLab versions and Dorico 1.) Content overview Information on video support in older Cubase and Nuendo versions can be found here. So I would check the configuration of your interface or it’s driver for that matter.Please note that this article refers to Nuendo 8 or later, Cubase 9.0.30 or later, WaveLab 10 or later, Dorico 2 or later and VST Live. When something uses its internal clock that should be refelcted in Cubase’s Asio settings as well. Now I don’t know that interface from personal experience, but that looks odd. In your ASIO settings in Cubase it reads “external clocked”. The iostation 24c setup shows the clock source as “internal”. I notice one thing in your configuration though:

You should still have a really good performance. While the Ryzen performs not quite as good, in my experience the difference is not to big. You should be able to get a similar performance. It also uses more than 100 VSTs (FX, Channel strips, etc.) and it runs flawlessly samples. Over here the current project I am working on makes uses 18 VSTis (among them 2x Kontakt, 2x Superior Drummer 3, 2x Repro-5, 2x Zebra, The Legend, etc.). Your Computer should be roughly as fast as my 12900k. But on cubase 12 pro its a pain with just three libraries. The issue is not Kontakt, I recreated the same track in Studio One and it works perfectly.

Cubase 11 vs nuendo 11