Synology NAS RackStation RS1221+ RACK 2U 8-bay 3.5"/2.5" SATA - YUSYRS1221PLUS

NAS Synology DS423 0/4HDD 4-bay (Hot Swappable), CPU Realtek RTD1619B Quad-core 1,7GHz, 2GB DDR4, 2xRJ45 1GbE Lan port, 2 x USB 3.2, Black

Synology Rail Kit RKS-02 - YUSYRKS02

NAS Synology DS223 0/2HDD 2-bay (Hot Swappable), CPU Quad-core 1.7GHz, 2GB DDR4, RJ45 1GbE Lan port, 3 x USB 3.2, Black