recommendations for replacing N600 WNDR3400V3?

[KRJ5]

new unit needed for multiple devices connected, laptops, smartphones, kindles, streamimg, gaming, reoperations.

[FURRYe38]

Some like NGs R, XR or RAX series of routers. If your a gamer, XR series are gaming routers. RAX is wifi 6 supporting. You may want to check into Orbi MESH as well. 

Please be sure you post in the correct forum for additional questions and information:

https://community.netgear.com/t5/Home-Networking/ct-p/home-networking

Good Luck