Network Attached Storage (NAS) for a small organization?

Question

NAS

Maybe someone will be able to decide on the choice of network storage for a small organization, the requirements are as follows:
- Creating users with their own login and password to access personal directories;
- Adding users to groups (departments of the organization);
- Differentiation of access by groups (users of some groups should not see directories of other groups);
- Gaining access to some folders only within the local network, complete prohibition of some directories from outside;
- Desktop client, mobile application for iOS and Android and web access;
- Convenient client for setting up the entire environment;
- Gigabit interface;
- Budget up to 70 thousand rubles. (without hard drives).
Who, what can advise under these requirements?

Answer 1

HP miccroserver gen 8. And make your dream storage.

Answer 2

https://market.yandex.ru/product/1726890814?text=d...
Do not forget to take a UPS to it.
For example
https://market.yandex.ru/product/1582931?show-uid=...
With a margin, enough for about an hour of work.

Answer 3

Synology, QNAP
Depending on the type of case and the number of seats for disks, you can find up to 70 tyrs.

- Creating users...
- Adding users...
- Differentiating access by groups...

Built-in tools (if you know linux - samba)
Theoretically, it can be done through samba, but for this you will have to edit the config manually, the web muzzle does not contain such settings
DS Cloud. BUT - this is only a file-exchange client!
Web muzzle. Not that it was very convenient, but it solves the main tasks. And for those who want to climb "under the hood" - there is entware
Depends on the model. Available with multiple interfaces and LACP support