Synology DS218+ A Look Inside , RAM change, upgrade - part 1 - YouTube
DS218+ RAM upgrade – NAS Compares
A-Tech 4GB RAM Replacement for Synology D3NS1866L-4G | DDR3/DDR3L 1866 MHz PC3L-14900 SODIMM Non-ECC Unbuffered Memory Compatible for DS620slim, DS918+, DS718+, DS418play, DS218+ at Amazon.com
Amazon.com: A-Tech Kit de memoria RAM compatible con Synology NAS DiskStation DS218+, DS718+, DS918+ | DDR3/DDR3L 1866MHz PC3L-14900 no ECC sin búfer (reemplazo para D3NS1866L-4G) : Electrónica
Synology DS218+ Unboxing and 8GB RAM upgrade – Poyu
A-Tech 4GB RAM Replacement for Synology D3NS1866L-4G | DDR3/DDR3L 1866 MHz PC3L-14900 SODIMM Non-ECC Unbuffered Memory Compatible for DS620slim, DS918+, DS718+, DS418play, DS218+ at Amazon.com