Amazon S3 vs Backblaze Personal Backup
A detailed comparison to help you choose between Amazon S3 and Backblaze Personal Backup.
 Amazon S3 Scalable object storage for any data size or type | Backblaze Personal Backup Unlimited Mac/PC backup for $9/month | |
|---|---|---|
| Overview | ||
| Rating | 4.2 (198 reviews) | 4.4 (323 reviews)✓ |
| Pricing model | freemium | paid |
| Starting price | Free tier available✓ | From €9/mo |
| Best for | Teams building on AWS who need reliable, scalable object storage for backups, data lakes, static content, or application data. | Mac and PC users wanting truly unlimited cloud backup at the lowest monthly price available |
| Tags | ||
| Tags | free tiers3 compatibleapi accessus datacentereu datacenterapac datacenterterraform provider | mobile app |
| Visit Amazon S3 → | Visit Backblaze Personal Backup → | |
Amazon S3
Pros
- + Store unlimited data with predictable per-GB pricing
- + Achieve 99.999999999% durability through automatic redundancy
- + Integrate directly with EC2, Lambda, RDS, and other AWS tools
- + Use lifecycle rules to automatically move data to cheaper storage tiers
- + Control access granularly with IAM policies and bucket policies
Cons
- - Data transfer out of AWS incurs egress charges that can add up quickly
- - API requests have per-1000-request pricing; high-frequency access patterns get costly
- - Requires AWS account setup and understanding of bucket configuration for security
Backblaze Personal Backup
Pros
- + Unlimited backup storage for $9/month
- + No file size limits
- + Continuous background backup
Cons
- - Personal computers only — not server backup
- - 30-day file version history
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