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Backblaze announces multi-exabyte storage agreement with CoreWeave. Read the announcement

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B2 CLOUD STORAGE

The object storage layer for AI and data-intensive workloads

Built for AI infrastructure at any scale.
Enterprise security without operational complexity.
High-performance storage with predictable economics.

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CoreWeave chose B2 Cloud Storage to deliver multi-exabyte object storage capacity supporting key elements of its AI cloud storage infrastructure.

Mirage uses B2 Cloud Storage to move massive AI video training datasets quickly across globally distributed compute environments.

Decart uses B2 Cloud Storage to support petabyte-scale, multi-cloud AI model training across GPU clusters.

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Trusted by 100,000+ organizations

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The storage platform built for modern AI and data infrastructure

B2 Cloud Storage is purpose built to integrate seamlessly with your preferred tech stack, freeing you up to choose the vendors you prefer.

Predictable economics at any scale

Backblaze B2 Cloud Storage delivers a dramatically lower total cost of ownership. Predictable costs, improved business agility, and operational simplicity help you save money, reduce risk, and drive faster innovation.

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Solutions

Object storage for every workload

AI storage

Store and serve the training data and models your AI workflows depend on, at any scale.

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Scale faster

Neocloud storage

Bring object storage for GPU clouds online fast, run by a team with two decades of hard drive operations experience.

Unlock capacity

Application storage

Build and scale data-intensive applications with S3-compatible object storage, built to grow as your users and traffic grow.

Build smarter

Hundreds of pre-built integrations

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Designed to deliver enterprise grade security and compliance

Security first framework

Dial in protections with access management, data storage security, and architecture & physical controls including:

Encryption and server-side encryption (SSE)
Object Locks
Fine-grained API key control
Bucket Access Logs
Cross-origin resource sharing (CORS)
Multi-region data replication

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Compliance program compatible

Fulfill your data storage, retention, and deletion policies and requirements with compliance supports including:

SOC 2 Type 2
GovRAMP Progressing Security Snapshot program
TX-RAMP Provisional Authorization
HECVAT
BAAs for HIPAA
PCI DSS support

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Our growth doesn't follow a curve, it follows a trigger. When a customer has needs, suddenly we're moving petabytes. Backblaze has kept up every time.

Rashish Tandon

VP of Research Infrastructure, Hume AI

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egress fees

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features

B2 Cloud Storage featured offerings

Universal Data Migration

Move data from cloud providers, tape, NAS, SAN, and legacy storage. Backblaze helps cover migration expenses when you commit to a qualifying storage agreement.

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Object Lock

Stop ransomware in its tracks with immutability. Backblaze B2 Object Lock provides write once, read many (WORM) access in real time, ensuring bad actors can’t encrypt, change, or delete your data.

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Powered by Backblaze

A suite of tools that allows you to deliver scalable cloud storage seamlessly to your customers, without any capital investment. Grow revenue while giving customers more value and data protection, seamlessly.

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Cloud Replication

Automatically copy and store data in different locations by setting up replication rules for redundancy, compliance, and fast local access. It’s easy to configure and doesn’t incur service or egress fees.

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Event Notifications

Generate instant alerts for data changes in B2 Cloud Storage, simplifying workloads for dev, media, and IT teams. Automate transcoding, asset tracking, and content tasks across your tech stack.

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Recognized by industry leaders and analysts

“Backblaze is now firmly validated as a robust, enterprise-grade infrastructure layer for the AI era."

—Dave McCarthy, Group Vice President, Cloud and Datacenters, Enterprise Infrastructure, IDC and Jasdeep Singh, Research Manager, Cloud and Datacenters, Enterprise Infrastructure, IDC

“Backblaze has spent the past decade evolving beyond its roots as a cloud backup provider. Through B2 Cloud Storage, S3 compatibility, and investments in cloud-scale object storage services, the company has expanded its focus toward large-scale storage infrastructure."
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—HyperFRAME Research

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FAQ

Can Backblaze support AI infrastructure at scale?

Yes. Backblaze is engineered for high-performance, large-scale object storage that keeps data flowing to GPUs and AI applications. For customers with the most demanding throughput requirements, B2 Overdrive provides high-throughput storage designed for AI infrastructure.

How does Backblaze help control cloud storage costs?

Backblaze delivers predictable storage economics with transparent pricing, free egress up to three times your average monthly stored data, and free API transactions. That means you can move and access your data without worrying about unexpected retrieval fees.

How easy is it to migrate to Backblaze?

Backblaze supports S3-compatible APIs and integrates with hundreds of migration, backup, media, and cloud infrastructure tools. Whether you're moving from on-premises storage, another cloud provider, or a legacy archive platform, you can migrate without changing your applications.

How secure is Backblaze?

Backblaze provides enterprise-grade security, encryption, access controls, and compliance certifications to help protect your data. Your information remains durable, available, and secure while meeting the needs of regulated industries and enterprise environments.

What is B2 Overdrive?

B2 Overdrive is Backblaze's high-throughput object storage service for organizations with demanding AI and data-intensive workloads. Choose your throughput speed ranging from 100Gbps up to 1Tbps, starting at $15/TB per month.

What makes Backblaze B2 different from other cloud storage providers?

Backblaze builds and operates the object storage layer for AI infrastructure and data-intensive workloads. Unlike hyperscalers and legacy storage vendors, we combine high-performance object storage, predictable economics, and operational flexibility so you can scale without lock-in.

What workloads is Backblaze B2 designed for?

Backblaze B2 powers a wide range of data-intensive workloads, including AI model training, application storage, backup and archive, media production, and cloud-native applications. Whether you're storing petabytes of AI data or protecting business-critical backups, B2 is built to scale with your workload.

Will Backblaze work with my existing tools and cloud infrastructure?

Yes. Backblaze is S3 compatible and integrates with a broad ecosystem of backup, AI, media, security, and cloud platforms. Our open approach gives you the flexibility to use the tools and infrastructure that work best for your business.

Want to run a free proof of concept for more than 50TB?

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GeezerVison

The object storage layer for AI and data-intensive workloads

Start building

Trusted by 100,000+ organizations

The storage platform built for modern AI and data infrastructure

Predictable economics at any scale

Object storage for every workload

AI storage

Neocloud storage

Application storage

Hundreds of pre-built integrations

Designed to deliver enterprise grade security and compliance

Security first framework

Compliance program compatible

Our growth doesn't follow a curve, it follows a trigger. When a customer has needs, suddenly we're moving petabytes. Backblaze has kept up every time.

$0

10GB/s

1 unified

B2 Cloud Storage featured offerings

Universal Data Migration

Object Lock

Powered by Backblaze

Cloud Replication

Event Notifications

Recognized by industry leaders and analysts

“Backblaze is now firmly validated as a robust, enterprise-grade infrastructure layer for the AI era."

“Backblaze has spent the past decade evolving beyond its roots as a cloud backup provider. Through B2 Cloud Storage, S3 compatibility, and investments in cloud-scale object storage services, the company has expanded its focus toward large-scale storage infrastructure."‍

FAQ

Can Backblaze support AI infrastructure at scale?

How does Backblaze help control cloud storage costs?

How easy is it to migrate to Backblaze?

How secure is Backblaze?

What is B2 Overdrive?

What makes Backblaze B2 different from other cloud storage providers?

What workloads is Backblaze B2 designed for?

Will Backblaze work with my existing tools and cloud infrastructure?

Want to run a free proof of concept for more than 50TB?

Staging secure is temporarily unavailable. Please check for any ongoing deploys. If none are in progress, contact the fullstack team for assistance. Click me to dismiss.

“Backblaze has spent the past decade evolving beyond its roots as a cloud backup provider. Through B2 Cloud Storage, S3 compatibility, and investments in cloud-scale object storage services, the company has expanded its focus toward large-scale storage infrastructure."
‍