Synology DS224+ vs DS220+ NAS - New vs Old?

Synology DiskStation DS220+, made for a variety of server roles such as backup, file storage, email servers, and domain controllers! Celeron J4025

Synology DiskStation DS220+ NAS Server for Business with Celeron CPU, 6GB Memory, 4TB SSD Storage, DSM Operating System

NAS Compares - Synology DS723+ NAS Unofficial Memory Upgrades – Crucial, Kingston, Sabrent, 64GB?

Synology 2 bay NAS DiskStation DS220+ (Diskless),Black : Electronics

Synology DS224+ NAS – Should You Buy (Short Review) – NAS Compares

Synology DiskStation DS220j Review

Couldn't decide between DS923+ and the DS423+ : r/synology

Memory Express] [Black Friday] Synology NAS DS224+ - $350 - RedFlagDeals.com Forums

Synology DiskStation DS220+ vs. DS220j: Which NAS is better?

Synology DS224+ vs DS220+ NAS – Which Should You Buy? – NAS Compares

Synology DiskStation DS224+ vs. TerraMaster F2-223: Which NAS is best?

Synology DS223 Review: An Excellent Server

Synology 2 Bay DiskStation DS224+ with 2 x HAT3300-4T : Electronics

Is this good value for the money or DS220+ is already dated? : r/synology