The cheapest S3-compatible storage solution.
One flat rate per TB. No egress fees and no API charges.
Pay-as-you-go
For teams getting started
Free for the first 30 days.
1 TB free for 30 days
Pay monthly
$4.99/month minimum
No egress or API request fees
Data integrity guarantees
Business
For enterprises with scale
Ideal for predictable storage needs or compliance-driven requirements.
Purchase in 1, 3, or 5-year increments
No egress or API request fees
Data integrity guarantees
Capacity assurance and deployment SLAs
No hidden fees
$4.99/TB/month for storage capacity. Everything else is included.
$0
Egress fees
$0
API request fees
$0
Exit fees
See your actual savings
Enter your storage and egress volumes to compare your monthly bill across providers.
Prices are published list rates in USD as of July 2026. Backblaze B2 includes free egress up to 3× your monthly stored amount; the $10/TB rate applies beyond that threshold. Regional pricing may vary.
Our technology was named one of
Fast Company's 11 Next Big Things in AI & Data Innovation
And it has also been featured in
Frequently asked questions
Egress is any data transferred out of your bucket: to the internet, to another cloud, or to your own servers. With Fil One, all egress is free, always, at any scale.
Billing is $4.99 per TB stored per month, with no fees for egress or API operations. Your bill is what you store multiplied by the rate, subject to a $4.99 monthly minimum.
Yes. Teams with predictable storage needs can choose reserved capacity plans on 1, 3, or 5-year terms with volume discounts. Contact sales to get a quote.
It depends on the bucket region you choose. We currently offer an EU region (France) and a US region (Michigan) launching soon, with more regions on the way.
Up to 22× cheaper than AWS
$4.99/TB, no egress fees, up and running in minutes.
No credit card required