Backblaze B2 vs Nextcloud

Detailed side-by-side comparison

Backblaze B2

Backblaze B2

Free

Backblaze B2 is an S3-compatible cloud object storage service that offers affordable, scalable storage with simple pricing. It's designed for developers and businesses seeking cost-effective cloud storage with generous free egress bandwidth up to 3x daily storage amounts.

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Nextcloud

Nextcloud

Free

Nextcloud is a self-hosted, open-source cloud storage and collaboration platform that prioritizes data sovereignty and privacy. It combines file storage with productivity tools like office suites, video conferencing, and collaboration features, giving organizations complete control over their data.

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Feature Comparison

FeatureBackblaze B2Nextcloud
Storage ModelCloud-hosted object storage with S3-compatible API, managed infrastructure with unlimited capacitySelf-hosted file storage where you provide and manage your own server infrastructure with no storage limits
Collaboration ToolsNone - purely storage focused, requires integration with separate collaboration toolsBuilt-in collaborative office suite, video conferencing (Talk), chat, calendar, contacts, and mail integration
Data Control & PrivacyData stored on Backblaze's infrastructure across multiple data centers with built-in redundancyComplete data ownership with self-hosting options, end-to-end encryption, ideal for compliance and data sovereignty requirements
Integration & CompatibilityS3-compatible API for easy integration with existing S3 tools and easy migration from AWS/other providers200+ apps in marketplace for extending functionality, WebDAV support, desktop and mobile sync clients
Management & MaintenanceFully managed service with 99.9% uptime SLA, no infrastructure maintenance requiredRequires technical expertise to install, configure, and maintain; performance depends on your hosting infrastructure
Data Transfer CostsFree egress up to 3x your daily storage amount, then low predictable fees with no hidden costsNo egress fees when self-hosted, bandwidth costs depend on your hosting provider or infrastructure

Pricing Comparison

Both tools start at $0, but serve different models: Backblaze B2 charges predictable usage fees ($5/TB/month storage plus minimal egress), while Nextcloud is free open-source software with costs tied to your hosting infrastructure, server resources, and optional enterprise support. Backblaze offers lower operational overhead, while Nextcloud can be more cost-effective at scale if you have existing infrastructure and technical expertise.

Verdict

Choose Backblaze B2 if...

Choose Backblaze B2 if you need simple, managed object storage with S3 compatibility, want to avoid infrastructure maintenance, or are looking for a cost-effective alternative to AWS S3 for backups, archives, or application storage without collaboration needs.

Choose Nextcloud if...

Choose Nextcloud if you require complete data sovereignty and control, need integrated collaboration tools (office suite, video conferencing, file sharing) in one platform, have technical resources to manage self-hosted infrastructure, or must meet strict privacy and compliance requirements.

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Cloud Storage

Pros & Cons

Backblaze B2

Pros

  • + Significantly cheaper than AWS S3, Azure, and Google Cloud Storage
  • + Simple, transparent pricing with no hidden fees
  • + Easy migration from other S3-compatible services
  • + Generous free egress bandwidth allowance

Cons

  • - Fewer global data center locations compared to major cloud providers
  • - Limited advanced features compared to AWS S3 ecosystem
  • - Smaller partner ecosystem and third-party integrations

Nextcloud

Pros

  • + Complete data ownership and control with self-hosting options
  • + Open-source with strong privacy and security features
  • + Highly customizable with extensive app marketplace
  • + No per-user storage limits when self-hosted

Cons

  • - Requires technical expertise to install and maintain
  • - Performance can vary based on hosting infrastructure
  • - Self-hosted setup lacks immediate enterprise support without paid plans