DefensePro 2xSFP+(10GE)-4Gbps legitimate throughput、20Gbps attack capacity and 50 policies-DoS Mitigation Engine-Dual AC Power Supply-RoHS.Includes protection for IoT botnets、NG DNS and Burst attacks;IPS、NBA and DoS Protection.GBICs must be purchased separately.See Upgrades、Additions、and Accessories.