Brand wouldn't matter. Just no half board, I had bad experiences. Be happy about any answer.
What do you want to do with the notebook?
Hp is good so i'm very happy with
Up to 500 there's no way around HP…
https://de-store.acer.com/acer-aspire-3-notebook-a315-42-schwarz
499 euro
Take a look at https://www.dubaro.de/. There you can put together your own laptop. It doesn't have a brand, but like a PC made of different components from different companies. You know what you are getting. With shipping and guarantee
Way too expensive.