System vendors struggle to find components just like we do.

Looking at PC makers who can actually sell you a whole PC with a hard to get RTX 30-3080, Ryzen 5900X or RX 6800XT, you may think it’s a far rosier supply situation than what consumers face.

On the contrary, half a dozen PC vendors who spoke to PCWorld about the supply issues they face say the situation is as dire, if not more dire, than what DIY buyers face today. 
…
Continue here:
https://www.pcworld.com/article/3600115/ryzen-5000-rtx-30-series-and-radeon-6000-shortages-hit-system-builders-too.html