@Thomassss OK, I found the issue that probably many have, that posted to this forum. The Traffic-Monitor is causing the issue! As soon as I deactivate the traffic monitor, the speed goes up to...

I am using a TP-LINK Archer VR2100v and I noticed the Lan Speed is very slow. I am using a Windows based server with a SSD Cache and the Write Speed form Desktop PC SSD to Server SSD is only...