Synology DS423 4 Bay 1.7GHz Quad Core 2GB RAM NAS

DS420j is a 4-bay desktop NAS designed for home data backup, file syncing, and sharing.
Realtek RTD1619B 4 Core 1.7GHz processor, 2GB DDR4, USB 3.2 x2, Gigabit x2, 4 drive bays.