If you're looking for a Wifi 6 card (most likely) - yes, you can replace the existing card.  No, Intel won't be an option -- they make only M.2/NGFF cards in Wifi 6 format, while your system uses the old half-mini PCIe card format.  Others do make them though.

You'd need something like this:

https://www.amazon.com/MPE-AX3000H-802-11ac-Wireless-Express-Network/dp/B091FJXQHH/ref=sr_1_1_sspa?crid=1CYRVWRTHP4UW&keywords=mini+PCIe+wifi+6&qid=1649427697&sprefix=mini+pcie+wifi+6+%2Caps%2C68&sr=8-1-spons&psc=1&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUEyWEpLTVlDMU9LNk9MJmVuY3J5cHRlZElkPUEwMTE3OTIzMjBPUkhDQzRLNDJCMSZlbmNyeXB0ZWRBZElkPUEwMzM1MjQySDNVRUUxVVpYSVUmd2lkZ2V0TmFtZT1zcF9hdGYmYWN0aW9uPWNsaWNrUmVkaXJlY3QmZG9Ob3RMb2dDbGljaz10cnVl

Thank you very much for your answer and the link!

Now i would like to know, where the PCIe card slot is, on the backside of my Vosto.

@The dell Team: could you please send me a link or a vid: with a how-to change the card. 

i already changed my harddrive, the ram and the dvd drive (so i`ve got experience but after i have unbolt every srew on the backside there is lot`s of covering that has to be removed.... (???)

where exactly is the position of the PCIe card ?

Thank you again for your help.

Regards from switzerland

It's under the keyboard/palmrest.  Service manual here:

https://www.dell.com/support/home/en-us/product-support/product/vostro-3560/docs

Thank you very much again for your help!

my final question can i buy this following card, since your link/the card is kind of sold out:

is this one compatible too with my system? 

https://www.amazon.de/MPE-AX3000H-802-11ax-Wireless-Express-Netzwerkadapter-WiFi-6/dp/B091FJXQHH