The Synology DS420+ is a four-bay NAS built around an Intel Celeron J4025 with 2GB of DDR4 RAM, aimed at home users and small offices who want centralized storage, backups and media serving. This configuration ships with four 2TB Seagate IronWolf drives, giving 8TB raw capacity, and Synology's DiskStation Manager software handles RAID, snapshots, file sync and Docker containers. It has two M.2 NVMe slots for SSD caching, two Gigabit LAN ports and one USB 3.0 port, but no 10GbE and no PCIe expansion slot. Compared with the DS920+, it gives up the eSATA expansion port and the ability to add a DX517, so it is a starter box rather than a grow-with-you one. Owners rate it highly for setup ease and DSM, while critics note the modest CPU and RAM ceiling for heavy virtualization.
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Owners rate the DS420+ very highly, praising quick setup, the breadth of DSM and reliable RAID storage. Complaints center on the small stock RAM and the CPU struggling with Plex transcoding and virtual machines.
K/DS420++8TB 4x2TB Seagate IW
