After some further investiations I found out, that the problem was not caused by the Dell DA20 Adapter but by the second SSD (a 2TB Cruical Corsair MP510). This type of SSD doesn't seem to work properly in the RAID mode, so I switched to the AHCI mode in the BIOS and reinstalled Windows. I started with Windows 10 Home and upgraded later to Windows 11 Home. In this AHCI mode the SSD seems to work perfectly together with the built-in Hynix 1TB SSD. I didn't have any blue screen since that change... Also the power consumption in sleep mode improved after switching to AHCI mode. In "Network Disconnected" state ([URL]#M89588) the laptop now only need approx. 2.5 W in sleep mode (if no network addapter is connected).
My few weeks old XPS 17 9710 (Windows 11 Home) has sometimes problems resuming from the modern standby mode if the sleep mode lasts longer than approx. 1 hour. I have no problems resuming from the modern standby mode if the notebook stays less than one hour in sleep mode, but if the seep time goes above one hour I get sporadic (but with a rate higher than 50%) Windows blue screens (DPC_WATCHDOG_VIOLATION). I tried all suggestions given as solution for this issue which I found in appropriate channels: The BlueScreenViewer shows, that the problem occured in the iaStorVD.sys driver (Intel RTS VMD Controller).My XPS 17 has the latest Window 11 updates, the latest Dell drivers and uses the modern standby mode S0 with network disconnected. It has the original Dell 1 TB SSD (SK Hynix PC711) and an additional 2 TB SSD (Corsair MP510, which was running without problems for more than two years in my old XPS 15 9550 with Windows 10 Home).Any help to solve this problem is welcome!!!I would also be glad about suggestions for workarounds:* Are there possibilities to change the behaviour of the modern standby mode?* Is there a way to go automatically into hibernate mode after some time in the modern standby mode? This was possible in Windows 10 but I could not find a possibility to enable this behaviour in Windows 11.
XPS 17 9710 Sporadic BSOD (DPC_WATCHDOG_VIOLATION) after resuming from modern 
standby mode