First of all, please if this topic is wrong i ask moderator to delete.   Your FIBARO HC2 is under warranty, if you decide to unscrew, maybe lose warranty, so you do this on your risk! For we work, i add another 2 GB of ram, my system boot faster and is more stable after that. I use some old ram from my Synology NAS, some DDR 3 PC 1066.   Step 1. Unscrew all side screws.   Please login or register to see this attachment.   Step 2. Be careful whit ante