Is a 2.5GbE switch worth it for a home network?

It depends on your gear. Across r/HomeNetworking threads, the recurring point is that 2.5GbE only helps if you have a NAS, multi-gig router LAN ports, or devices with 2.5G NICs; otherwise you'll see no benefit over gigabit. For NAS and large file transfers, reviewers and the servethehome 2.5GbE roundup consider models like the TP-Link TL-SG108S-M2 and NETGEAR MS308 the sweet spot.