Vendor Guide · 27-Provider Comparison · Rates verified 2026-08-21
B2 Cloud Storage: pricing, perks & traps
An S3-compatible object store billed in USD. Every number below comes from the same catalog that drives the live comparison table — no marketing prose, captured rates only.
Storage $5.00/TB·mo
Egress $10.00/TB
API ops Free
Min commitment None
Retention floor None
Regions US-West · EU
What it costs at a typical backup workload
5 TB stored · 0.5 TB egress · light API usage: $25.00/mo (Egress within 3× stored volume — $0 egress). Change the workload sliders on the comparison page to price your exact scenario.
Fine print worth knowing
- Egress cap 3×/mo: Free egress is capped at 3× stored volume per month; beyond it, every GiB bills at the metered rate — heavy self-hosted use or a traffic spike can multiply the bill
Upsides: free egress tier, no minimum, 10 gb free storage.