Will ECC RAM fix my Plex server reliability?

Probably not—your CPU and motherboard are the real gatekeepers for ECC support. Consumer gaming platforms rarely support it, and even if the slots fit, the chipset or BIOS often ignores ECC functionality, so you’ve wasted money. For a Plex server, ECC is overkill unless you’re storing irreplaceable data; a simple nightly backup is more practical. Save the cash for a bigger hard drive.