The Cisco ASA5525-FTD-K9 is a member of the Cisco ASA 5525-X Series of Firewalls and related accessories. Cisco ASA 5525-X Series firewalls are designed for networks of all sizes and provide unprecedented services flexibility and lower operational costs as well as other features.
Cisco ASA5525-FTD-K9: ASA 5525-X with Firepower Threat Defense.