Backblaze B2 logo

Backblaze B2

Cheap US and EU object storage with free egress up to three times stored volume.

backblaze.com/cloud-storagebackblaze.com/docs/cloud-storage
Overall in s3-compatible storage
4of 12 · score 77.2
Data coverage
100%
28 of 28 fields sourced

Best for

  • •Backup and archive targets where object lock matters and latency does not
  • •Anyone already serving through Cloudflare or Fastly, egress becomes free
  • •Workloads whose egress genuinely stays under three times stored volume

Strong on

  • +Event notifications Yes 1/12
  • +Storage $/TB/mo $6.95/TB/mo 2/11
  • +True cost /mo (USD) $26.95/mo 3/9
  • +True cost /mo (AUD) A$40.96/mo 3/9

Weak on

  • −Sydney region No 9/11
    Better: Wasabi: Yes
  • −Replication model single-az 8/12
    Better: Tigris: multi-region
  • −TTFB from Sydney 180ms 8/10
    Better: Bunny Storage: 20ms
  • −GA year 2015 10/12
    Better: Tigris: 2024

vs Hetzner Object Storage

  • •Ahead on Event notifications: Yes vs No
  • •Ahead on TTFB from Sydney: 180ms vs 300ms
  • •Behind on GA year: 2015 vs 2024
  • •Behind on Egress $/TB: $10/TB vs $1.38/TB

How Backblaze B2 scores among 12 s3-compatible storage28 of 28 fields known

Pricing10

True cost /mo (USD)3rd
$26.95/mo
3/9
Leader: Hetzner Object Storage · $12.47/mo
backblaze.com · 2026-07-23
True cost /mo (AUD)3rd
A$40.96/mo
3/9
Leader: Hetzner Object Storage · A$18.95/mo
· 2026-07-23
True cost from Sydney (AUD)
N/A
backblaze.com · 2026-11-07
Storage $/TB/mo2nd
$6.95/TB/mo
2/11
Leader: iDrive e2 · $6/TB/mo
backblaze.com · 2026-11-06
Egress $/TB
$10/TB
7/11
Leader: Cloudflare R2 · $0/TB
backblaze.com · 2026-11-06
Egress cap (x stored)
3x stored
2/4
Leader: Cloudflare R2 · Unlimited
backblaze.com · 2026-11-06
Class A $/M ops1st
$0/M ops
1/12
backblaze.com · 2026-11-06
Class B $/M ops1st
$0/M ops
1/12
backblaze.com · 2026-11-06
Min retention1st
0ms
1/12
backblaze.com · 2026-11-06
Min billed object1st
0 B
1/12
backblaze.com · 2026-11-06

Features & API11

S3 API coverage
85%
5/12
Leader: AWS S3 · 100%
Presigned URLs1st
Yes
1/12
Multipart upload1st
Yes
1/12
Versioning1st
Yes
1/12
backblaze.com · 2026-11-06
Lifecycle rules1st
Yes
1/12
backblaze.com · 2026-11-06
Event notifications1st
Yes
1/12
backblaze.com · 2026-11-06
CDN integration
partner
7/12
Leader: Cloudflare R2 · free-bundled
backblaze.com · 2026-07-23
Max object size1st
9.1 TB
1/11
backblaze.com · 2026-11-06
IAM granularity
3
6/12
Leader: MinIO · 5
Sydney region
No
9/11
Leader: Wasabi · Yes
backblaze.com · 2026-11-06
TTFB from Sydney
180ms
8/10
Leader: Bunny Storage · 20ms

Durability & Retention4

Durability (nines)1st
11 nines
1/9
backblaze.com · 2026-11-06
Uptime SLA
99.9%
4/11
Leader: Tigris · 99.99%
Object lock / WORM1st
Yes
1/11
backblaze.com · 2026-11-06
Replication model
single-az
8/12
Leader: Tigris · multi-region

Agentic1

Official MCP server
No
5/12
Leader: Cloudflare R2 · Yes

Traction1

GA year
2015
10/12
Leader: Tigris · 2024

Positioning1

Positioning
Commodity bulk storage for backup targets and media archives.

Alternatives8

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Sources9

Backblaze B2 logo & brand colours

Logo assets

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Download
MonochromeSVG
Backblaze B2 logo

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Backblaze B2 brand colours

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