10gbe switch or not?

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To match the upgraded network speeds of your new NAS/server with 10GbE ports, you'll want to ensure that your network infrastructure can handle the increased throughput. Since your Asus AX11000 router already has a 10GbE port, you can directly connect one of the 10GbE ports from your new NAS/server to the router for high-speed access. However, if you have multiple devices that need to communicate at 10GbE speeds, investing in a 10GbE switch would be beneficial. This would allow you to connect multiple devices, like your NAS/server and any other devices requiring high-speed connectivity, to the switch and benefit from fast data transfers between them. Additionally, for your laptop that you connect wired to the AX11000 router, you should still experience improved speeds even without a 10GbE connection, as the router's 2.5GbE port should provide faster speeds compared to traditional 1GbE connections.