Buyer rule
Start with the actual network path
Start with the number of wired devices, current router ports, required speeds, NAS path, dock path, cable runs, and whether fan noise matters.

Ethernet switch prices
A switch is often the practical upgrade after the router runs out of ports. Use these lanes to compare port count, speed mix, cooling, power, cable needs, and NAS or workstation fit.
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Buyer rule
Start with the number of wired devices, current router ports, required speeds, NAS path, dock path, cable runs, and whether fan noise matters.
Risk
The common mistake is buying a fast switch without matching adapters, cables, router ports, NAS ports, and desk power.
Amazon network lanes
Use these lanes after the router, modem, switch, adapter, cable, NAS, dock, and room-layout questions are specific. Amazon has the live listing details, seller terms, shipping, returns, and exact product specifications.
Main multi-gig lane for desktops, NAS boxes, docks, and upgraded router LAN ports.
Workstation lane for heavy NAS transfers, creator projects, and home-lab racks.
Simple port-expansion lane for gaming desks, routers, consoles, and smart TVs.
Storage lane for moving large game libraries, project files, backups, and local AI data.
Desktop adapter lane for adding faster wired networking to a tower.
Patch lane for router, switch, NAS, dock, and workstation runs.