What is Backblaze B2?


Backblaze B2 is a cloud storage service known for its simplicity and affordability. Developed by Backblaze, B2 offers you a cost-effective solution for storing, retrieving, and managing data in the cloud. Its transparent pricing model charges you based on your actual storage usage and data transfer, making it an attractive option for businesses with varying storage needs.

Backblaze B2 supports essential features like data encryption, versioning, and lifecycle policies, ensuring data security and control. Popular among developers, startups, and enterprises, Backblaze B2 provides a scalable and reliable cloud storage solution, allowing you to seamlessly scale your storage capacity without incurring high costs.

What is Synology C2?


Synology C2 is a cloud backup service offered by Synology, a leading network-attached storage (NAS) solution provider. Launched to complement Synology's NAS products, C2 provides you with a secure and efficient way to back up your data to the cloud. It offers features such as file versioning, data deduplication, and encryption, ensuring the protection and privacy of your data.

Synology C2 allows you to easily back up NAS data, applications, and system configurations to the cloud for off-site storage, enhancing redundancy and disaster recovery. It integrates seamlessly with Synology NAS devices, providing a user-friendly interface and robust security for reliable cloud backup solutions tailored to Synology's hardware and software ecosystem.

Backblaze B2 vs Synology C2 – Compare in 4 Main Aspect

To further explain the differences between Synology C2 vs Backblaze B2, this part will show you the comparison in 4 main aspects: pricing, backup and restore features, transfer speed, and user experience.

Backblaze B2 vs Synology C2: Pricing

  Price Advantages
Backblaze B2


$19,500, 250TB/year
Free for up to 3x of average monthly data stored, then $0.01/GB for additional egress
Synology C2


  • $5.99/TB/month
  • $9.99, 100GB/year
  • $24.99, 300GB/year




  • Daily backups.
  • Fixed retention for 11 file versions at most.
  • All data stored on C2 servers is protected by AES-256 encryption.


  • Hourly backups
  • Customizable retention for all file versions.
  • Data deduplication.
  • All data stored on C2 servers is protected by AES-256 encryption.

Backblaze B2 vs Synology C2: Backup and Restore Features

Both Backblaze B2 and Synology C2 are cloud storage services that offer backup and restore features, but they serve slightly different purposes.

  Backup Features Restore Features
Backblaze B2
  • Backblaze B2 is primarily a cloud storage service that allows you to store and retrieve data in the cloud.
  • It provides a straightforward and cost-effective solution for backing up files, applications, and other data to the cloud.
  • You can use third-party backup applications or tools to automate the backup process to B2.
  • It supports versioning, allowing you to access previous versions of files.
  • You can easily restore files from their B2 cloud storage using the Backblaze web interface or API.
  • Versioning support enables you to restore previous versions of files if needed.
  • B2 is designed to provide high durability and availability of stored data.
Synology C2
  • Synology C2 is part of Synology's ecosystem and is integrated with Synology NAS devices.
  • It offers backup solutions for Synology NAS users, allowing you to back up your data directly from your NAS to the Synology C2 cloud.
  • Restoration can be done through the Synology DSM (DiskStation Manager) interface, which is the operating system for Synology NAS devices.
  • Synology C2 provides options for file-level and system-level restores.
  • It offers versioning and retention policies, enabling you to manage and restore different versions of files.

Backblaze B2 vs Synology C2: Transfer Speed

The transfer speed of Backblaze B2 and Synology C2 can be influenced by various factors, and it's important to note that the speed may vary based on your specific circumstances. Here are some considerations for each service:

Backblaze B2:

  • Network Speed: The upload and download speeds to and from Backblaze B2 will depend on your internet connection. Faster internet connections generally result in quicker data transfers.
  • Data Centers: Backblaze B2 has multiple data centers, and the proximity of your location to these data centers can impact transfer speeds. Selecting the closest data center when configuring your storage may improve performance.

Synology C2:

  • NAS Device Performance: The transfer speed with Synology C2 will be influenced by the performance of your Synology NAS device. Higher-end NAS models with better hardware specifications may result in faster transfers.
  • Internet Connection: As with Backblaze B2, the speed of your internet connection is a crucial factor. Ensure that your internet service provides sufficient bandwidth for optimal performance.

Backblaze B2 vs Synology C2: User Experience

The user experience of Backblaze B2 and Synology C2 can be subjective and depends on your preferences, technical expertise, and specific needs. Here's an overview of the user experience of both services:

Backblaze B2:

  • Web Interface: Backblaze B2 provides a straightforward and user-friendly web interface for managing your cloud storage. Users can easily navigate and perform tasks such as uploading, downloading, and managing files.
  • Integration: Backblaze B2 is designed to work with a variety of third-party applications and services, making it versatile for those who want to integrate it into their existing workflows.
  • Setup: Setting up and configuring Backblaze B2 is generally considered to be user-friendly. The process involves creating an account, setting up a bucket (storage container), and obtaining API keys for authentication.

Synology C2:

Integration with Synology NAS:

  • Synology C2 is tightly integrated with Synology NAS devices, providing a seamless experience for those who are already familiar with the Synology ecosystem.
  • The configuration and setup are streamlined for Synology NAS users, making it convenient for those who prefer an all-in-one solution.

Synology DSM Interface:

  • You can access Synology C2 through the DSM (DiskStation Manager) interface, which is the operating system for Synology NAS devices. This interface is generally user-friendly and feature-rich.
  • The DSM interface offers a range of tools and applications like Synology Cloud Sync, and you can manage backups and restores within the familiar environment of your Synology NAS.

Backblaze B2 vs Synology C2: Conclusion

Backblaze vs Synology C2
Backblaze vs Synology C2

Choosing between Backblaze B2 and Synology C2 hinges on specific needs. Backblaze B2 boasts competitive pricing based on storage usage, offering simplicity and reliability. Synology C2, with a potential tiered pricing structure, integrates seamlessly with Synology NAS devices, providing additional features like snapshot replication.

Backblaze B2 excels in fast upload and download speeds, ensuring efficient data transfers. Synology C2's speed may vary based on factors like internet connection and NAS device capabilities. Besides, user experience differs from Backblaze B2 featuring a user-friendly interface suitable for all users, while Synology C2 provides a cohesive experience for those within the Synology ecosystem.

The choice boils down to your requirements, budget constraints, and preference for standalone cloud services or integrated solutions, with both services offering reliable options.

Bonus Tip: How to Automatically Transfer Backblaze B2 to Synology NAS

If you use both Backblaze and Synology NAS, you may encounter a scenario that requires you to transfer files from Backblaze to Synology NAS. Except for the traditional downloading and uploading way, there is a brand-new automatic solution – using MultCloud, a free but professional cloud file transfer service that supports 30+ different clouds.

MultCloud Supports Clouds
MultCloud Supports Clouds

You can choose different MultCloud functions to do the file transfer. For various transfer options, you can use Cloud Transfer to directly copy Backblaze files to Synology NAS, or vice versa. Or, if you want to integrate Backblaze with Synology NAS, you can use Cloud Sync to sync files between them in real time. Besides, to backup files from Backblaze to Synology and restore with versions, Cloud Backup can be taken advantage of.

The steps for using Cloud Transfer, Cloud Sync, and Cloud Backup are quite similar. After getting a MultCloud account, you will: add Backblaze and Synology NAS to MultCloud > choose the source and the target > initiate the task. Let’s see how to use Cloud Transfer as an example.

Step 1: Go to MultCloud and sign up by clicking “Get started for free”.

Step 2: Add Backblaze and Synology NAS to MultCloud by selecting “Add Cloud” and their logos.

Add Backblaze and Synology NAS
Add Backblaze and Synology NAS

Step 3: Click “Cloud Transfer” and then choose Backblaze in the left box and Synology NAS in the right box.

Transfer Backblaze to Synology NAS
Transfer Backblaze to Synology NAS

Step 4: Open “Options” to check transfer settings and tap “Transfer Now” to start this task.

Cloud Transfer Settings
Cloud Transfer Settings


You must know more about Backblaze B2 vs Synology C2 from this post. Pick the preferred one with the comparison in the above 4 aspects! If you think both of these 2 clouds are of good use and cannot decide, you can use both of them. When you need to transfer files from one cloud to another, try MultCloud functions for its automatic process and considerable features.

MultCloud Logo

Manage 30+ popular clouds in one platform.

Sign up Free

100% secure

New Release

Save Email as PDF

After adding Gmail or Outlook to MultCloud, it can convert emails to PDF and save them on your device or cloud storage.

Get Started for Free