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B2 vs MinIO

Cloud object storage pricing comparison. For a mid-size SaaS workload, MinIO is cheaper.

Cost Comparison by Scenario

Personal site, small app, or hobby project: 10GB storage, 50GB egress, 10,000 writes, 100,000 reads per month.

Cost ComponentB2MinIO
Storage$0.06$0.00
Egress$0.50$0.00
API Requests$0.08$0.00
Monthly Total$0.64$0.00
Annual Total$8$0
MinIO is 0% cheaper for this scenario, saving $0.64/mo ($8/year).

Feature Comparison

FeatureB2MinIO
S3 CompatibleYesYes
Zero Egress CostNoYes
Free TierYesNo
GDPRYesYes
HIPAANoYes
SOC 2YesYes
Encryption at RestYesYes
Customer-Managed KeysYesYes
Sensitive Datalimitedfull
Data ResidencyUS, EUUS, EU, AP, SA, AF
CDN Integrationcloudflare, fastly, bunnycloudflare, nginx, any-reverse-proxy

Strengths & Weaknesses

B2

Pros

  • +Extremely low storage price ($0.006/GB)
  • +Simple flat pricing
  • +S3-compatible API
  • +Free egress to Cloudflare/Fastly CDN partners

Cons

  • Only 2 regions
  • No HIPAA
  • Limited feature set compared to hyperscalers
  • Smaller company risk

MinIO

Pros

  • +Completely free (open source, AGPL v3)
  • +Full data sovereignty — you control everything
  • +S3-compatible API
  • +All compliance possible (you manage it)

Cons

  • You manage infrastructure (servers, disks, networking)
  • Hardware and operational costs not included
  • Requires DevOps expertise
  • No managed support without enterprise license

When to Choose Which

Choose B2 if you need:

  • Backup and archive storage
  • Media storage on a budget
  • Pairing with Cloudflare CDN for free egress

Choose MinIO if you need:

  • Organizations needing full data control
  • Air-gapped environments
  • On-premise requirements
  • Avoiding cloud vendor lock-in

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