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Depending on the region, Deep Discovery products come with 1 year or 3 year hardware warranty. However, the warranty can be extended for an additional cost, which will brings the maximum HW warranty of up to 5 years

Trend Micro only commits to support for software upgrade to latest versions for those hardware appliances which have hardware warranty within 5 years. Beyond 5 years, we cannot guarantee that it will be able to support upgrade to the latest software version.

 
Starting Q3 2019, for EU customers, Deep Discovery products come with 5 year hardware warranty.