C2 Storage

C2 Storage

For Individuals

Leverage powerful, yet simple cloud storage for Synology home users.

Built for Synology NAS owners

C2 Storage is a dedicated cloud storage solution designed specifically for Synology NAS users. It integrates tightly with existing Synology technology and helps you keep your storage consumption low with compression and deduplication. C2 Storage keeps your data both secure and easily accessible.

No hidden costs

C2 Storage plans are 100% transparent and all-inclusive. Uploading and downloading your data is always free, which makes budgeting easy and predictable.

Centralized support

From service consulting and technical support to hardware warranty, Synology simplifies support by providing a single gateway for all queries related to Synology NAS and C2 Storage.

Backups that you can rely on

C2 Storage and Synology Hyper Backup work together to protect your Synology NAS, leaving you to focus on what is important.

Back up with flexibility

Schedule backup tasks at off-peak hours to preserve bandwidth when you need it. Recover backups from further back in time with a flexible retention policy. 1

Save time and space

Reduce wait times for backups and reduce storage consumption with built-in deduplication technology.2

Ensure your backups are intact

Schedule regular integrity checks to ensure your backups are in good shape when you need them.

Backups that you can rely on

Fast file recovery from anywhere

Recover backups using your browser or a desktop client.

Quick and simple access

Download the files you need directly from the C2 Storage web portal. No other tools required.

Comprehensive recovery

Access entire backups or individual files from your NAS using Hyper Backup, or from Windows, Mac, and Linux using Hyper Backup Explorer. Learn more

Protected by powerful encryption

Client-side AES-256 encryption protects your data from unauthorized access before it even leaves your NAS. To access your backups, a password-protected private key is used to keep anyone but yourself from decrypting, accessing, or modifying your data.

Customer stories

See how these organizations achieved more with Synology.

— Toni Saura, Councilor of New Technologies, Economy, Employment and Culture of the City of Alaquàs

"It is necessary for us to work with a trustworthy company with proven and credible technological capacity - that is Synology. Thanks to the intuitive deployment process of Synology C2 Storage for Hyper Backup, we revamped our backup policy in just minutes."

— Toni Saura, Councilor of New Technologies, Economy, Employment and Culture of the City of Alaquàs

— Florian Proft, Senior IT System Administrator of Freeletics GmbH

"With Synology C2 Storage for Hyper Backup, our company's steadily growing data can be reliably backed up without compromises today and for the foreseeable future."

— Florian Proft, Senior IT System Administrator of Freeletics GmbH

Sign up for a 30-day free trial


  1. Plan I provides a fixed rotation policy. Plan II provides a customizable rotation policy.

  2. Deduplication is available only with Plan II. It cuts back storage use by reducing duplicate data across different versions.

Flexible plans

Plans are offered in monthly or yearly packages, with options for data residency in the European Union or the United States.

Plan I

Included in this plan:

Plan I, available in 100 GB, 300 GB, or 1 TB options, provides daily backups of your data. It includes a default retention policy that keeps 11 backup versions stored over 30 days. The backup versions do not count towards your quota. Only your latest backup does. Files can be restored directly from a browser and all data is protected by AES-256 encryption.

  • Daily backups
  • Basic retention policy

Plan II

What’s included:

Plan II provides customized storage in 1 TB increments from 1 to 200 TB. Data is backed up on an hourly basis, with a configurable retention policy that lets you decide how many versions you need. All backup versions count towards your storage quota, but deduplication eliminates duplicate data across backup versions, saving a considerable amount of space. Files can be restored directly from a browser and all data is protected by AES-256 encryption. To purchase more than 200 TB, please contact us.

  • Hourly backups
  • Configurable retention policy
  • Deduplication

Get started today

C2 Storage plans are designed with affordability and flexibility in mind.

30-day free trial

Each Synology Account can activate a one-time, 30-day free trial. Try all the great features that C2 Storage offers before deciding whether it is the solution for you.

No hidden fees

Synology charges no hidden fees besides the subscription cost. File upload, restoration, and browsing are always free of charge on your Synology NAS, through the PC client and using the C2 Storage web portal.

Flexible usage plan

C2 Storage can be purchased using one Synology Account and shared with multiple Synology NAS, increasing the flexibility of storage use. You can upgrade your backup plan at any time if more space is needed.

How to activate your 30-day trial

Sign in to DSM with administrator privileges and install Synology Hyper Backup. Create a backup task and select Synology C2 Storage as the cloud destination.

You will be asked to sign in with the Synology Account you wish to use to manage C2 Storage for Hyper Backup. After login, you may start the 30-day free trial if eligible, or purchase a C2 Storage plan. For more information on creating backup plans with C2 Storage, see our step-by-step tutorial.


  1. Synology C2 Storage for Hyper Backup requires Hyper Backup version 2.2.4-1213 or above.

  2. Synology does not guarantee compatibility with DSM or Synology C2 Storage for older versions of Hyper Backup

  3. Synology C2 Storage is not supported in China.