@Jonas1122 Start with this FAQ document: General questions about Ethernet Backhaul feature on your Deco

@Soluna This is an interesting idea and it will work, but as an owner of Synology NAS I would leave it as a last resort. Factory reset will wipe out all user data and files on NAS, which is not very...

@MPP55 In this case Deco X50 and Deco X55 will be the best addition to your X50-5G Deco router. X50/X55 are very similar, choose set that is sold for less (or on sale). If you want Deco units that do...

@MPP55 I may be able to help with Deco model selection, but I need a bit more info from you: 1. Is your home LAN gigabit or 2.5Gigabit? 2. If your home LAN is gigabit, do you plan to upgrade it to...

@Russ1669 For your network, Deco PX50 would be better choice than P9.

@Bruno74 The answer to both your Scenarios is "yes, this is correct."