Reliability Fault-tolerant TCP/IP duplex components Fault-tolerant Hardware(CPU, Memory, Disk, Power, I/O Bus) Scalability one or two logical PA-8600 CPUs running at 480Mhz CPU clock, 1.5MB on-chip cache 0.5GB~8.0GB main memory(64bits HP-UX) 14 PCI slots : 12 user-configurable 9GB~512GB of internal(duplexed) disk storage capacity using 9/18/36/73GB Continuous Availability Continuous availability exceeds 99.9995%(All components are duplexed) Lockstep and Pair-and-Spair architecture Standard NEB 3 certified, ETSI-compliant Co cabinet used to house both AC-and DC-powered systems