Alteon D-6420S-Secure-4x40GE QSFP+-20x10GE SFP+-64GB Memory-Single AC power supply-RoHS.Max 60 Gbps throughput-5 vADCs-Operator Tool Box-FastView for Alteon-Advanced Routing-LinkProof-GSLB-Alteon Basic Analytics-AppWall WAAP-AAG with 500 users-SSL Inspection-Bot Management Ready.The default RAM supports up to 36 vADCs(up to 64 vADCs with RAM upgrade).