Synology Inc.
Depends
Confidence: High
Buy if you want self-hosted storage, backup, or surveillance and have someone to patch and run it.
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Comparison
Synology Inc. vs Backblaze B2 Cloud Storage
Synology Inc. and Backblaze B2 Cloud Storage both land on Depends.
Backblaze B2 Cloud Storage
Depends
Confidence: Medium
Buy it if you're a developer or AI team moving terabytes and want S3 compatibility at a fraction of AWS prices.
| Compare | ||
|---|---|---|
| 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 |
Pick Synology Inc. when
- IT-comfortable SMBs self-hosting files and backups
- Home labs and media hoarders
- Surveillance camera deployments
- Teams cutting Dropbox/cloud sync bills
When Synology Inc. is not a fit
- Teams wanting zero-maintenance managed cloud storage
- Anyone unwilling to patch firmware and administer hardware
- Buyers who won't pay add-on subscriptions or branded drive prices
- Hyperscale or SAN-grade datacenter workloads
Pick Backblaze B2 Cloud Storage when
- AI/ML teams training on large datasets
- Backup targets for servers and NAS
- Budget S3 replacement for developers
- Neocloud infrastructure builders
When Backblaze B2 Cloud Storage is not a fit
- Non-technical users wanting simple file sync or sharing
- Small projects that fit in Dropbox or Google Drive
- Buyers needing verified support SLAs and compliance docs up front
- Anyone unwilling to work with S3 APIs and tooling
Sources
- Synology Inc. official sitesynology.comofficial
- 329 Synology Inc. Customer Reviews & Referencesfeaturedcustomers.comreview
review
security
- Synology-SA-26:06 DSM advisorysynology.comsecurity
- CVE-2025-1021 - NIST NVDnvd.nist.govsecurity
- Synology brand SSD's and crazy pricescommunity.synology.comreview
news
- Synology NAS Solutions - StorageReview.comstoragereview.comnews
- Backblaze homepagebackblaze.comofficial
review
- Backblaze B2 . Capterracapterra.comreview
- Backblaze B2 Reviews . TrustRadiustrustradius.comreview
- Backblaze offers low-cost, fast B2 cloud storage tierblocksandfiles.comnews
news