Good afternoon Bruce,   The R430 does support Windows Server 2019. You can find the list of other OS the server supports linked below, if it's of use.   [URL]   As for your second question, I'm not entirely certain what information you're looking for exactly. We are hosting drivers for the R430 that support Server 2019, if that is your concern. You can find the page linked below. Apologies if that's not quite what you're looking for.   [URL]
Hello All, I have PowerEdge R430, Is this model compatible with Windows server 2019? Is Dell deisnger driver for Windows server 2019?
Dell PowerEdge R430