C2 Backup

Extend data protection from your Synology NAS to the cloud

Complete your backup experience

Synology C2 Backup is a backup service on Synology Cloud² (Synology C2) for both enterprise and home users. With additional copies of your important files stored on Synology C2, data safety and availability can be ensured when a disaster happens.

One-stop service

With Synology NAS plus Synology C2 Backup, we offer a comprehensive solution, including service consulting, technical support, and RMA, guiding you through each step of your data protection journey.

Affordable cloud data protection

For any IT team, the lease of a data center together with other hardware investment and extra human resources can definitely be a financial burden. Saving a sufficient cost, C2 Backup offers you an affordable plan as well as comprehensive feature sets.

More than what you pay for

Enjoy download to any destination, file-level restoration, and multiple historical file versions without any additional cost.

Secure important data at military-grade level

You can safeguard your important data from illicit access while being transmitted or stored by enabling military-grade AES-256 and RSA-2048 encryption technologies.

Without the private key, which only you know, your important data stored on Synology C2 cannot be deciphered by anyone, not even by Synology.

Backup and restore, just like in DSM

With the same backup flexibility and intuitive user interface of DSM, C2 Backup amplifies your backup experience.

Schedule backup tasks

With Synology C2 Backup, your backup tasks can run automatically at a scheduled point of time, or repeat on a desired schedule in order not to affect company's production.

Maintain file history

The advantage of multi-version support in Synology C2 Backup offers multiple recovery points of data. You can easily browse through different previous file versions via the C2 Backup explorer.

Granular file restoration

Synology C2 Backup provides file-level restoration for greater flexibility. Retrieve a specific file you need without restoring everything in the same backup task and save your precious time.

Keep your data always available

Even without a Synology NAS, you are still able to access important data stored on Synology C2 from any platform with great flexibility.

Flexible Plans

Synology C2 Backup offers flexibility in plan selection in terms of features, storage size, and cost. Whether you are a new user who wants an easy-to-use cloud backup plan, or a system administrator in search for a secure cloud storage with optimized space utilization, Synology’s pricing plans can cover all your needs.

Plan I

100 GB

  • Daily backup
  • AES-256 data encryption
  • Restore from web browser
  • Free file versioning

€9.99 / year

300 GB

  • Daily backup
  • AES-256 data encryption
  • Restore from web browser
  • Free file versioning

€24.99 / year

1 TB

  • Daily backup
  • AES-256 data encryption
  • Restore from web browser
  • Free file versioning

€59.99 / year
(€5.99 / month)

Plan II

Up to 10 TB

  • Hourly backup
  • AES-256 data encryption
  • Restore from web browser
  • Customizable retention policy
  • Deduplication

€69.99 / TB / year
(€6.99 / TB / month)

  • * The prices above do not include VAT. Local VAT needs to be added if applicable.
  • * Feel free to contact us if you have any questions or if you need a larger storage space.
  • Plan I
    Plan I offers daily backup with regular retention to protect your data with 11 backup versions for the past 30 days. Regardless of the number of backup versions, only the source data size on your Synology NAS will be calculated into your storage usage on C2 cloud.
  • Plan II
    Plan II offers flexible backup schedules and customizable retention policies. Data size of all backup versions will be calculated into your storage usage on C2 cloud. However, the Plan II-exclusive deduplication can help you reduce duplicated data across different backup versions, thus optimizing the storage usage.

No hidden fees

Besides the subscription cost, there are no hidden fees. Synology does not charge additional fees for file uploads, file restoration, or file browsing on the C2 console.

30-Day Free Trial

For each Synology Account, you can manually activate a one-time 30-day free trial. Try all great features before purchase.

Flexible Usage Plan

Backup storage on Synology C2 can be purchased using one Synology Account and shared with multiple Synology NAS servers associated with this account, increasing the flexibility of storage usage. Furthermore, you can always upgrade your backup plan during the subscription period if more space is needed.

How to Start a Backup Plan with Synology C2

Please log in to DSM as a system administrator and install the Hyper Backup package. Create a backup task and select Synology C2 as the cloud destination. You will be required to enter the Synology Account associated with the storage. Once you log in to the Synology C2 console, you can either begin the 30-day free trial, if this is a new Synology Account, or proceed to purchase a C2 Backup plan. For more information on creating backup plans with Synology C2, see our step-by-step tutorial.


  1. Synology C2 is currently available in Africa, Europe, and the Middle East.
  2. Synology C2 Backup requires Hyper Backup 2.1.2-604 or above.
  3. Synology does not guarantee package compatibility with DSM versions released after the release of Hyper Backup.

Frequently asked questions

Here we have listed some frequently asked questions about Synology C2 Backup. If you are unable to find the answers you are looking for, you are more than welcome to contact us via Synology Product Inquiry.


What do I need to use Synology C2 Backup?
You need a Synology Account and a physical Synology NAS server installed with DSM 6.0 (or above) and Hyper Backup 2.0.3 (or above).
How do I subscribe to C2 Backup?
Backup plans can be purchased through the subscription procedure via Hyper Backup with a valid credit card. Once you complete the subscription procedure, we will offer your account a 30-day free trial to allow you to evaluate whether the selected plan meets your backup needs.
Where is Synology C2 data center located?
Synology C2 data center is located in Frankfurt, Germany. New data centers are currently under construction. All data stored on Synology C2 will remain only in the data center to which they were originally uploaded.
How do I pay for my Synology C2 Backup subscriptions?
The current available payment method is Credit Card. Synology C2 accepts Visa, MasterCard, and American Express. We are now working to include SEPA Direct Debit by the end of 2017.
In which countries and regions can I purchase Synology C2?
Synology C2 is currently available in Africa, Europe, and the Middle East. Below is the list of countries and regions where you can purchase Synology C2.
Albania, Andorra, Armenia, Austria, Azerbaijan, Belgium, Belarus, Bosnia and Herzegovina, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Faroe Islands, Finland, France, Georgia, Germany, Gibraltar, Greece, Guernsey, Hungary, Iceland, Ireland, Isle of Man, Italy, Kosovo, Jersey, Latvia, Liechtenstein, Lithuania, Luxembourg, Macedonia, Malta, Moldova, Monaco, Serbia and Montenegro, Netherlands, Norway, Poland, Portugal, Romania, Russia, San Marino, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey, Ukraine, United Kingdom
Algeria, Angola, Benin, Botswana, Burkina Faso, Burundi, Cabo Verde, Cameroon, Central African Republic (CAR), Chad, Comoros, Democratic Republic of the Congo, Cote d'Ivoire, Djibouti, Egypt, Equatorial Guinea, Eritrea, Ethiopia, Gabon, Gambia, Ghana, Guinea, Guinea-Bissau, Kenya, Lesotho, Liberia, Libya, Madagascar, Malawi, Mali, Mauritania, Mauritius, Morocco, Mozambique, Namibia, Niger, Nigeria, Republic of the Congo, Rwanda, Sao Tome and Principe, Senegal, Seychelles, Sierra Leone, Somalia, South Africa, South Sudan, Sudan, Swaziland, Tanzania, Togo, Tunisia, Uganda, Zambia, Zimbabwe
Middle East:
Afghanistan, Bahrain, Iran, Iraq, Israel, Jordan, Kuwait, Lebanon, Oman, Palestinian Territory, Qatar, Saudi Arabia, Syria, United Arab Emirates, Yemen


Can I back up files from my desktop/laptop computer?
No, data can only be backed up from Synology NAS servers via Hyper Backup.
Can I back up files from multiple Synology NAS servers to C2 Backup?
Yes, data stored on multiple Synology NAS servers can be backed up to the same C2 Backup account's storage space.
How long does it take for the first-time backup?
Backup speed is determined by Internet bandwidth, network traffic, the amount of files to be backed up, and other factors. Therefore, a specific speed for backing up files to C2 Backup cannot be guaranteed. In general, with a 20 Mbps upload speed, it may take about 3 days to transfer 500 GB data.
How do I relink my previously created C2 Backup tasks on a newly installed DSM or a new Synology NAS?
You may refer to this FAQ for the instruction on how to relink a previously created C2 Backup task.


What will happen to my C2 Backup service if my subscription expires?
Your subscription will be automatically renewed according to your previous subscription plan, and Synology will automatically re-bill your credit card depending on the plan to which you subscribed. If you disable automatic subscription renewal in the C2 console before the expiry date, your subscription will expire and you will not be rebilled when the current subscription ends. On the seventh day after expiration, your Synology NAS will stop backing up data to C2, and your backed-up data will be deleted after continued non-payment.
How do I cancel my subscription? 
Your current subscription cannot be cancelled during its active period. However, you can stop renewing your subscription by disabling automatic subscription renewal before the expiry date. Please note that once it is disabled, you will still finish any time remaining on your current subscription. You are eligible to terminate your C2 Backup service immediately. Please note that upon service termination, your backed-up data will be deleted and the C2 Backup service will be terminated without any refund for the remaining period.
Can I upgrade my plan anytime if more space is needed?
Yes, you can upgrade your backup plan whenever more space is needed, anytime during your subscription period. Plan upgrade is flexible, as you can upgrade your plan right away or schedule an upgrade to take effect at the start of the next subscription period.