Synology Inc.
Depends
Confidence: High
Buy if you want self-hosted storage, backup, or surveillance and have someone to patch and run it.
Comparison
Synology Inc. and Backblaze B2 Cloud Storage both land on Depends.
Buy if you want self-hosted storage, backup, or surveillance and have someone to patch and run it.
Buy it if you're a developer or AI team moving terabytes and want S3 compatibility at a fraction of AWS prices.
| Compare | Synology Inc. | Backblaze B2 Cloud Storage |
|---|---|---|
| Verdict | Depends | Depends |
| Best for | IT-comfortable SMBs self-hosting files and backups | AI/ML teams training on large datasets |
| Who it's not for | Teams wanting zero-maintenance managed cloud storage | Non-technical users wanting simple file sync or sharing |
| Privacy | Active CVE program and published advisories, but internet-exposed Synology NAS units have been recurring ransomware targets.⁵ | No known public vulnerabilities found in the sources reviewed; UpGuard shows hardened TLS with no FREAK exposure. |
| Support quality | Community-first; 24/7 premium support costs extra | No evidence in sources |
| Public sentiment | Enthusiastic owner community and strong ratings, but growing grumbling about upgrade costs, branded drives, and software restrictions.³ | Users consistently praise B2's price, simplicity, and reliability, especially as a backup target.12 |
| Biggest gotcha | Exposed NAS units get brute-forced and ransomware-encrypted; patch DSM CVEs fast, never expose carelessly | 'Fifth of S3 cost' and 'free egress' are vendor claims . validate against your own workload15 |