Tomorrorw 1 June, 2021, Google Photo will end up their offer for free backup photo from the users' phone. Well, I have used Google Photo to backup for more than 4 years. Actually, I thik that is fair, in the world, there is no such things calls "Free Lunch". It gave me some monmentums to buy my own NAS to backup. After some researches and listened a number of podcasts, I believe Synology is my best option. It has Moments which is a replacement of Google Photo, moreover, it has Synology Drive which is very similar with Google Drive. You can sync your local folder with NAS. The major benefit is to have Synology, it has QuickConnect technology. It will do all sort of things such as router by pass. Thus, you can access your NAS from internet. It makes my phone can access all data in Synology Drive and photos in Moments from outside. Also, I won't need to download the data into my phone, I need to access the data I want from the app, that is very handy. Now, I don't need to keep a lot of data in my phone. At the end I bought the basic two bays version of NAS DS220j. That is because of my limited budget. If I have more money, I will buy a 3 bays version and running RAID 5, which is more effective to use the hard disk. Anyway, it is good enough. I uploaded all of photos to Moments, that is very useful, although the AI is not as good as Google Photo, I cannot do the photo search as good as Google Photo. For Synology Drive, that is exactly did what Google drive can do. Lastly, I installed USB Copy Plug-in, so it will copy the NAS data into the external hard disk as another layer of backup