Backblaze B2 vs Proton Drive: which Cloud storage wins in 2026?
We tested Backblaze B2 and Proton Drive head-to-head on every criterion in our cloud storage methodology. Here's the verdict.
Verdict
Proton Drive wins overall
Based on 5 cloud storage criteria: Backblaze B2 wins 1, Proton Drive wins 2, 2 tied.
Backblaze B2
1
criteria won
Proton Drive
Winner2
criteria won
Feature-by-feature
| Criterion | Backblaze B2 | Proton Drive | Winner |
|---|---|---|---|
| Effective $/TB/mo | 6 | 19.95 | Proton Drive |
| E2E by default? | No (server-side only) | Default | โ |
| Open-source client | No | Yes | Proton Drive |
| Jurisdiction | USA (5 Eyes) | Switzerland (none) | โ |
| Free tier (GB) | 10 | 5 | Backblaze B2 |
Total cost of ownership
| Horizon | Backblaze B2 | Proton Drive | Cheaper |
|---|---|---|---|
| 12 months | $144 | $48 | Proton Drive |
| 36 months | $432 | $144 | Proton Drive |
| 120 months | $1,440 | $479 | Proton Drive |