Amazon.com: Synology 2 bay NAS DiskStation DS220j (Diskless), 2-bay; 512MB DDR4, White, Grey
DS220+] Preinstalled RAM is now soldered. So much for upgrading to 8GB of DDR4 RAM. : r/synology
Amazon.com: Synology DiskStation DS220j NAS Server for Business with Quad Core CPU, 512MB RAM Memory, 8TB HDD Storage, DSM Operating System : Electronics
Synology DS220j im Test - ComputerBase
Synology Unveils DiskStation DS220j Dual-Bay NAS: A Basic NAS For the Home
Original Synology DS220j 2 bay NAS DiskStation 512MB DDR4 64-bit 4-core 1.4 GHz (Diskless) New - AliExpress