ASK NC

I'm considering the DS224+ and adding Crucial 4GB RAM CT4G4SFS8266.
For UPS, I'm considering CyberPower CP850AVRLCD.
Is this a good combination? Any alternatives or suggestions?

Yes, it looks good.
Here is a longer list of RAM https://nascompares.com/answer/synology-...tible-ram/
UPS has USB port which also is necessary https://amzn.to/3LYc3vD