Updated October 17, 2026 · DeployCue Editorial Team
OChK (Operator Chmury Krajowej / Polish National Cloud) vs Proton Drive
Compare OChK (Operator Chmury Krajowej / Polish National Cloud) and Proton Drive using recorded catalog facts and pricing.
OChK (Operator Chmury Krajowej / Polish National Cloud) vs Proton Drive: the differences
| Fact | OChK (Operator Chmury Krajowej / Polish National Cloud) | Proton Drive |
|---|---|---|
| Compliance certifications | ISO 27001:2022, ISO 22301:2019, ISO 27017:2015, ISO 27018:2019 | ISO 27001 |
| SLA uptime | 99.5% to 99.9% | 99.95%Higher |
| Egress price per GB | PLN 0 | Not confirmed |
| Free egress | No data transfer (egress) fees charged by the OChK Platform | Not confirmed |
| Regions | 2 | Not confirmed |
Key differences
- Compliance certifications: only OChK (Operator Chmury Krajowej / Polish National Cloud) offers ISO 27001:2022, ISO 22301:2019, ISO 27017:2015.
- Compliance certifications: only Proton Drive offers ISO 27001.
- SLA uptime is higher at Proton Drive: 99.95% vs 99.5% to 99.9%.
Score breakdown
| Area | OChK (Operator Chmury Krajowej / Polish National Cloud) | Proton Drive |
|---|---|---|
| Offer | 8.10Higher | 8.00 |
| Trust | 8.70 | 8.80Higher |
Area by area
OChK (Operator Chmury Krajowej / Polish National Cloud)
- Offer8.1
- Trust8.7
Proton Drive
- Offer8.0
- Trust8.8
- No winner on offer: both score 8.1.
- OChK (Operator Chmury Krajowej / Polish National Cloud) and Proton Drive tie on trust at 8.7.
Where each is licensed and available
| Country | OChK (Operator Chmury Krajowej / Polish National Cloud) | Proton Drive |
|---|---|---|
| Headquarters | Poland | Switzerland |
Every fact side by side
| Fact | OChK (Operator Chmury Krajowej / Polish National Cloud) | Proton Drive |
|---|---|---|
| Legal entity | Operator Chmury Krajowej sp. z o.o. | Proton AG |
| Headquarters | Poland | Switzerland |
| Founded | Not confirmed | 2014 |
| Support channels | Help centre | Help centre |
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