My NAS has 8GB standard, and there is no official upgrade for the RAM, though it needs it-- for all the stuff the NAS can do, Synology sure is under-RAMming. Anyway, I read online somewhere that it was straightforward, as the motherboard inside the NAS can support up to 16GB, and I was able to find this bit of RAM. It installed in a couple of minutes, and that was that.Even Synology (whose support people deserve an award) saw that I had added RAM, violating their ToS, and mentioned it, and then See full review