description Backblaze B2 Overview
Backblaze B2 is a high-performance, low-cost object storage service designed for developers and power users. While it is not a traditional 'sync and share' tool like Google Drive, it is an incredible alternative for storing massive amounts of data at a fraction of the cost. It integrates with almost every backup and media management tool on the market. If you are looking for a place to store archives, media libraries, or application data, B2 offers unmatched value and reliability.
It is the backbone for many other cloud services and is perfect for those who need raw storage capacity.
info Backblaze B2 Specifications
| Api | REST / S3compatible API |
| Durability | 99.999999999% (119's) |
| Encryption | AES256 at rest, TLS1.2 in transit |
| Egress Cost | $0.01 per GB |
| Integrations | Synology, QNAP, Cloudflare, Dropbox, Restic, Duplicati, any S3compatible client |
| Storage Cost | $0.006 per GB per month |
| Storage Type | Object Storage (S3compatible) |
| Free Tier Egress | 1 GB per month |
| Free Tier Storage | 10 GB |
| Maximum File Size | 5 TB per file |
| Lifecycle Policies | Yes (autotiering to Archive storage) |
balance Backblaze B2 Pros & Cons
- Industryleading low storage cost at $0.006 per GB per month, up to 75% cheaper than Amazon S3
- Generous free tier with 10GB of storage and 1GB of monthly egress
- S3compatible API enabling seamless migration and use of existing tools and SDKs
- Strong security with AES256 encryption at rest and TLS1.2 in transit, plus 99.999999999% durability
- Broad integrations with backup software (Synology, QNAP, Duplicati, Restic) and CDN providers like Cloudflare
- Egress (download) fees of $0.01 per GB can accumulate quickly for large data retrieval
- Not a syncandshare service; lacks a native filesharing UI and collaboration features
- Limited control over data region selection, which may affect data residency requirements
- Advanced AWS features such as event notifications and Lambda triggers are not available
- Free tier egress limited to 1GB per month, which may be insufficient for some use cases
help Backblaze B2 FAQ
How does Backblaze B2 compare to Amazon S3 in terms of pricing and features?
Backblaze B2 offers storage at $0.006/GB per monthabout 75% cheaper than Amazon S3and provides an S3compatible API for seamless migration. However, B2 lacks some advanced AWS features such as Lambda triggers and finegrained IAM.
Is there a free plan for Backblaze B2 and what are its limits?
Yes, B2's free tier includes 10GB of storage and 1GB of egress per month; additional usage is billed at $0.006/GB for storage and $0.01/GB for downloads.
What is the maximum file size I can store in B2?
B2 supports files up to 5TB each, with builtin multipart upload for large objects, making it suitable for video archives and large data sets.
Can I use B2 with existing backup applications?
B2 works with many backup tools including Synology, QNAP, Duplicati, Restic, and any S3compatible client, thanks to its S3compatible API.
What are the egress fees for downloading data from B2?
Egress is $0.01 per GB, which is lower than many providers, but costs can add up for large retrievals; using a CDN like Cloudflare can reduce egress fees.
What is Backblaze B2?
How good is Backblaze B2?
How much does Backblaze B2 cost?
What are the best alternatives to Backblaze B2?
What is Backblaze B2 best for?
Best for developers and businesses seeking costeffective, scalable object storage with S3compatible API and robust backup integrations.
How does Backblaze B2 compare to Backblaze Personal Backup?
Is Backblaze B2 worth it in 2026?
What are the key specifications of Backblaze B2?
- API: REST / S3compatible API
- Durability: 99.999999999% (119's)
- Encryption: AES256 at rest, TLS1.2 in transit
- Egress Cost: $0.01 per GB
- Integrations: Synology, QNAP, Cloudflare, Dropbox, Restic, Duplicati, any S3compatible client
- Storage Cost: $0.006 per GB per month
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