Just last week I replaced my Synology DS412+ to with a Synology DS1815+, which has twice the drive bays with the addition of supporting two expansion units, a much more powerful CPU, and 2GB RAM out of the box. I’ve seen some people mention with very mixed results that both the Synology DS1515+ and Synology DS1815+ can be upgraded to 16GB of RAM, the biggest issue seems to be around what memory modules to use. So I figured I’d document…