Upgrade (part of) netwerk to 2.5 Gb/s

Not really a Openwrt question.

My network looks something like this:

ISP modem-----RT3200(router)-----RT3200(AP)-----PC
|------NAS(Asustor 6202T connected to RT3200router)

The RT3200(router) serves the ground floor and the other RT3200 the upper floor.
All is wired and connected via copper as 1 Gb/s (>=cat 5E).

The goal is to "upgrade" the connection from the PC to the NAS to 2.5 Gb/s. The ethernet port on the PC is already 2.5 Gb/s. All other ports are 1 Gb/s.
The NAS is equipped with 2 USB 3 port capable of 5 Gb/s.

I would like some input as to how to achieve this (or maybe its almost impossible). I was thinking of getting an 2.5 Gb/s to USB3 adapter (like Asus USB-C2500) to make the NAS 2.5 Gb/s capable.
And also get 2 simple 2.5 Gb/s switches (like Netgear MS105) to replace the connection between the 2 RT3200's.

Advice on how to do this or equipment is welcome.

What is the throughput of the USB3 interface? Will that limit things? What is the throughput limit of your storage devices?

The USB3 interface on the NAS is rated to 5 Gb/s.
Currently the NAS saturates the whole 1 Gb/s bandwidth. So there should be some head room.

Unless you are looking for an ethernet switch that can run OpenWrt, this really does not seem related to OpenWrt -- it is more of a general networking request.

These forums are intended for OpenWrt focused discussions as well as reasonably closely related topics such as configuring a managed switch to carry the VLANs defined on an OpenWrt router (or used for an OpenWrt AP).

Please feel free to clarify, though, if this is indeed directly related to OpenWrt.

You are right, I will inquire elsewhere.

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