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Azure Blob Storage vs Backblaze B2
Short answer: Pick Azure Blob Storage if you want scalable, tiered object storage; pick Backblaze B2 if you want predictable, low-cost S3-compatible storage. Both are paid, with a free trial.
Which to pick
Pick Azure Blob Storage if you want…
- Scalable, tiered object storage
- Azure-centric workloads
- Integrations with Java, .NET or Python (on Azure Blob Storage's list, not Backblaze B2's)
Pick Backblaze B2 if you want…
- Predictable, low-cost S3-compatible storage
- Integrations with S3-compatible APIs (on Backblaze B2's list, not Azure Blob Storage's)
Side by side
- What it is
- Azure Blob Storage:Azure Blob Storage provides scalable, secure, and cost-effective object storage for unstructured data in the cloud.
- Backblaze B2:Backblaze B2 provides low-cost, S3-compatible object storage optimized for AI and data-intensive workloads.
- Best for
- Azure Blob Storage:Scalable, tiered object storage
- Backblaze B2:Predictable, low-cost S3-compatible storage
- Who it’s for
- Azure Blob Storage:Developers and enterprises needing cloud object storage for apps, data lakes, and analytics.
- Backblaze B2:Developers and enterprises needing scalable, high-performance cloud storage.
- Pricing
- Azure Blob Storage:Paid
- Backblaze B2:Paid
- Free plan or trial
- Azure Blob Storage:Free trial
- Backblaze B2:Free trial
- Plans
- Azure Blob Storage:—
- Backblaze B2:Backblaze B2 $6.95/TB/mo per month · Backblaze B2 Overdrive $15/TB/mo per month
- Works with
- Azure Blob Storage:Java, .NET, Python, Node.js, Azure Functions, Azure Data Lake Storage
- Backblaze B2:S3-compatible APIs
Azure Blob Storage features
- Scalable durability. Sixteen-nines of designed durability with geo-replication and elastic scaling.
- High security. Entra ID authentication, RBAC, encryption at rest, and advanced threat protection.
- Tiered storage. Premium SSD, Hot, Cool, and Archive tiers to match access patterns and cost.
- Data lake optimization. File namespace and multi-protocol access for analytics workloads.
- Lifecycle management. Policy-based automation, immutable WORM storage, and data expiration.
- HPC & IoT support. High-throughput performance for HPC and billions of IoT device data points.
Backblaze B2 features
- Free 3× egress. Provides free outbound data transfer up to three times your average monthly storage.
- Object Lock (WORM). Enables immutable, write-once-read-many storage to protect against ransomware.
- Cloud Replication. Automatically copies data across regions for redundancy and fast local access.
- Event Notifications. Triggers alerts on data changes to automate workflows such as transcoding.
- High-throughput Overdrive. B2 Overdrive offers terabit speeds and unlimited egress for AI/ML and HPC workloads.
Azure Blob Storage vs Backblaze B2 FAQ
What is the difference between Azure Blob Storage and Backblaze B2?+
Azure Blob Storage provides comparable object storage with Azure ecosystem lock-in and different pricing.
Should I use Azure Blob Storage or Backblaze B2?+
Pick Azure Blob Storage if you want scalable, tiered object storage, Azure-centric workloads or integrations with Java, .NET or Python (on Azure Blob Storage's list, not Backblaze B2's). Pick Backblaze B2 if you want predictable, low-cost S3-compatible storage or integrations with S3-compatible APIs (on Backblaze B2's list, not Azure Blob Storage's).
Is Azure Blob Storage or Backblaze B2 free?+
No, both are paid and neither has a free plan. Azure Blob Storage is paid, with a free trial. Backblaze B2 is paid, with a free trial.
Do Azure Blob Storage and Backblaze B2 integrate with the same tools?+
Their integration lists don't overlap: Azure Blob Storage lists Java, .NET, Python, Node.js and 2 more; Backblaze B2 lists S3-compatible APIs.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.

