NAS buy advise

[Enquiries]

Hi, I like the synology NAS.
I like to buy a 4 bay NAS with RAID5
- I need itunes server for al the music
- 2-4 TB storage Fileserver
- Printserver
- VPN for remote access
- Cloudbackup, Backblaze??

Can you advise me witch wan to buy please?

Regards,
Roland Selders
The Netherlands

[ed]

Synology have discontinued Printserver function. But otherwise DS423+ will tick all other boxes.
Cloud backup can be C2 or Backblaze. Or even a second NAS in friend's house.