Trying to decide on which NAS?

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Choosing Synology will simplify your backup solution significantly. They can backup system files of a Windows and they are finishing up their MAC version. But in meantime you can use their Drive app, which very similar to Dropbox but better.You can of course use ARQ software to set up automated backup to your NAS. Alternatively, you can install Timemachine backup on your NAS and do it this way.You can create several network shared folders and mount them on your computers or mobile devices. Then you can offload some of the data which you do not need on a computer but you can always access it when you need it, including access over the internet.You can then cast your media on HDMI sticks on your TV, or if you have a smart TV, then internal apps will have access to your shared folders of videos and pictures.The camera will not be something you can connect, but you can connect a memory card or external drive via USB though.I hope this helps.