Object storage with Object Lock 2026: 8 services for immutable backups
Object storage services from our ranking whose official pages describe Object Lock or bucket locks: stored objects cannot be changed or deleted until a retention period ends. Backup tools such as Veeam use this to protect copies from ransomware. Check which lock modes (governance, compliance, legal hold) the provider supports before you rely on it.
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- Storage price per GB-month (standard class)
- $0.00695
- Egress price per GB (to the internet)
- $0.01
- Permanent free tier
- Yes
- S3 API compatible
- Yes
- Regions (provider's count)
- 4
- Object Lock (immutable storage)
- Yes
- Uptime SLA
- 99.9%
- Free or cheap egress
- Object Lock for immutable backups
- Independently audited security
- High uptime in a published SLA
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- Storage price per GB-month (standard class)
- $0.00799
- Egress price per GB (to the internet)
- $0.00
- Permanent free tier
- No
- S3 API compatible
- Yes
- Regions (provider's count)
- 16
- Object Lock (immutable storage)
- Yes
- Uptime SLA
- Not verified
- Free or cheap egress
- Object Lock for immutable backups
- Independently audited security
- Works with the Amazon S3 API
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- Storage price per GB-month (standard class)
- $0.01463
- Egress price per GB (to the internet)
- $0.00
- Permanent free tier
- Not verified
- S3 API compatible
- Yes
- Regions (provider's count)
- 10
- Object Lock (immutable storage)
- Yes
- Uptime SLA
- Not verified
- Free or cheap egress
- Object Lock for immutable backups
- Independently audited security
- Works with the Amazon S3 API
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- Storage price per GB-month (standard class)
- $0.015
- Egress price per GB (to the internet)
- $0.00
- Permanent free tier
- Yes
- S3 API compatible
- Yes
- Regions (provider's count)
- Not verified
- Object Lock (immutable storage)
- Yes
- Uptime SLA
- 99.9%
- Free or cheap egress
- Object Lock for immutable backups
- High uptime in a published SLA
- Works with the Amazon S3 API
-
- Storage price per GB-month (standard class)
- $0.007
- Egress price per GB (to the internet)
- $0.007
- Permanent free tier
- No
- S3 API compatible
- Yes
- Regions (provider's count)
- Not verified
- Object Lock (immutable storage)
- Yes
- Uptime SLA
- 99.95%
- Free or cheap egress
- Object Lock for immutable backups
- High uptime in a published SLA
- Works with the Amazon S3 API
-
- Storage price per GB-month (standard class)
- $0.022
- Egress price per GB (to the internet)
- $0.11176
- Permanent free tier
- Yes
- S3 API compatible
- Not verified
- Regions (provider's count)
- 46
- Object Lock (immutable storage)
- Yes
- Uptime SLA
- 99.95%
- Object Lock for immutable backups
- Independently audited security
- High uptime in a published SLA
- Many regions to choose from
-
- Storage price per GB-month (standard class)
- $0.006
- Egress price per GB (to the internet)
- Not verified
- Permanent free tier
- No
- S3 API compatible
- Yes
- Regions (provider's count)
- 15
- Object Lock (immutable storage)
- Yes
- Uptime SLA
- Not verified
- Low storage price per GB-month
- Object Lock for immutable backups
- Independently audited security
- Works with the Amazon S3 API
-
- Storage price per GB-month (standard class)
- $0.023
- Egress price per GB (to the internet)
- $0.09
- Permanent free tier
- No
- S3 API compatible
- Yes
- Regions (provider's count)
- Not verified
- Object Lock (immutable storage)
- Yes
- Uptime SLA
- Not verified
- Object Lock for immutable backups
- Independently audited security
- Works with the Amazon S3 API
- Encrypts stored data