RAM & Memory Upgrades
A-Tech 16GB RAM Replacement for Synology D4ECSO-2666-16G & D4ES01-16G | DDR4 2666 MHz PC4-21300 SODIMM ECC Unbuffered Memory Compatible for NAS & NVR Servers
Memory RAM Replacement for Synology D4ECSO-2666-16G & D4ES01-16G Compatible for Synology RackStation, FlashStation, DiskStation, and Deep Learning Video Analytics NVR NAS Server Models: FS1018, RS1221RP+, RS1221+, DS1821+, DS1621xs+, DS1621+,...
https://www.bizrate.co.uk/ram_memoryupgrades/a-tech-16gb-ram-replacement-for-oid32839342168.html
