Updated October 17, 2026 · DeployCue Editorial Team
Open Telekom Cloud / T Cloud Public vs Proton Drive
Compare Open Telekom Cloud / T Cloud Public and Proton Drive using recorded catalog facts and pricing.
Where Open Telekom Cloud / T Cloud Public and Proton Drive differ
| Fact | Open Telekom Cloud / T Cloud Public | Proton Drive |
|---|---|---|
| Compliance certifications | ISO 27001, ISO 27017, ISO 27018, BSI C5:2020, TISAX, GAIA XCovers more | ISO 27001 |
| Price per GB per month | €0.046 | Not confirmed |
| Free egress | 1 GB outbound transfer per month free of charge | Not confirmed |
| Minimum storage period | 30 to 90 days | Not confirmed |
| Regions | 3 | Not confirmed |
| Free egress (GB) | 1 | Not confirmed |
| Storage types | Object, Block | Not confirmed |
Same on both: SLA uptime (99.95%).
Key differences
- Support channels: only Open Telekom Cloud / T Cloud Public offers Phone, Email, Community.
- Compliance certifications: only Open Telekom Cloud / T Cloud Public offers ISO 27017, ISO 27018, BSI C5:2020.
Score breakdown
| Area | Open Telekom Cloud / T Cloud Public | Proton Drive |
|---|---|---|
| Cost | 9.30 | Not confirmed |
| Offer | 9.30Higher | 8.00 |
| Trust | 9.50Higher | 8.80 |
Availability and regulation
| Country | Open Telekom Cloud / T Cloud Public | Proton Drive |
|---|---|---|
| Headquarters | Germany | Switzerland |
Every fact side by side
| Fact | Open Telekom Cloud / T Cloud Public | Proton Drive |
|---|---|---|
| Legal entity | T-Systems International GmbH | Proton AG |
| Headquarters | Germany | Switzerland |
| Founded | Not confirmed | 2014 |
| Support channels | Phone, Email, Help centre, CommunityCovers more | Help centre |
We earn a commission when you sign up through links on this site. Partner status can affect where a brand appears in our rankings. Partners with a live offer in your country come first, then every other brand by score.