Most reliable backup NAS for Linux Mac and Windows

I like to have advise for my new NAS, the Synology DS918+ or the Qnap TS-435B unless you have a better suggestion.
1-Most important is prevent data loss.

A very solid way to install a replaced faulty drive and copy the data to it has my highest priority.

How can I access my data if 1 drive fails and what if the NAS itself fails?

2- It must be able to make backups from shared computers/folders which use Linux Mac and Windows Oses.
It must manage such -weekly- backups so that the client computers don’t need to run backup software, only share their particular folders.

3-Video Surveillance accessible from Internet and all devices, computers regardless the OS, cell phones Android Iphone, anything.

4- store and stream ( make it accessible for my media-players ) my high-quality music files like FLAC 192kHz/24bit

5- Store and stream ( make it accessible for my media-players) my video files including 4K

6- Data accessible from Internet, FTP-server will be fine.
My ISP might be a deal-breaker here, no support at all and I did not manage to connect to my home network from the Internet yet.

For video surveillance, it seems we need licenses and Qnap provides more licenses
then Synology? More licenses can be bought but is this a one time fee or
is it per year? Of course, more camera’s provide more security so more is better.
More control -zoom pan tilt is preferable.

Disk usage!
8 TB will be enough (for now) but that 8 TB must be as save as reasonably possible.
So planning to buy 2 X 8 or 10 TB drives for this and use my existing 4TB drives for extra space which contains less important data.
Does the Synology and the Qnap have such an option?

You probably knew that I will suggest getting a DS918+. It is geared for high-quality things like 4K HDR streaming and Flac lossless audio. Also, a new DSM operating system will decrease RAID rebuild time down to 80% in some cases. And that is not enough, Synology will predict which drive is about to fail and will copy all data from it to the spare drive and disconnect the dodgy drive automatically. This will mean no drive failure at all.

If Synology NAS itself fails, you can slide old drives out and put them into a replacement NAS and it will work. Or if you want to – you connect to your Linux PC and get data out if necessary.

If that is not enough – you can back your NAS up to Synology C2 cloud or unlimited NAS cloud backup – BackBlaze.

Instructions for backing up different platforms without a third-party software:

Linux link

Mac link

Windows link

Synology will let you connect to your cameras using internet browser as well as mobile apps, so you can use any platform (You get 3 free licences but once you purchase more licenses – it is one-off payment and can be transferred later to your new NAS). There will be also a multi-platform way of connecting to your data using browser or app or FTP and other. Synology QuickConnect feature will often help you get through your router without configuring port forwarding and other things.

Find regulary updated NAS offers here
Of course I would prefer you choose AMAZON UK AMAZON USA to buy your perfect solution, however, if you would rather buy locally, please use the links used above to take you to your local Amazon store and help support this free advice service with ad revenue. More ways of supporting the blog are described HERE  

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For backing up your NAS do consider BackBlaze. You can try it for 15 days free if you don't believe its good. But the main reason is unlimited backup size. Everyone else like Dropbox, Amazon, and others charge per gigabyte. But  with this one there is no price difference either you backup 2 bay or 8 bay NAS. The other great feature is version control. So even if you get hit by ransomware type of virus or simply deleted or mistakenly changed few files. You can restore your data from historical backup versions and get all data back.
You can get it for free here and try:
Comparison with other service providers:






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