• Dual-controller, Active-Active • 64-bit High-performance multi-core processor • Max 512-ch IP camera inputs • Max 1024 Mbps incoming/recording/forwarding bandwidth • 48 HDDs, SAS, Hot-Swap • Supports RAID 0/1/5/6/10/50/60, JBOD, Hot spare • Supports video stream/ Picture direct storage mode and IPSAN storage mode • Supports Automatic Network Replenishment (ANR) • SAS cascade for expanded storage space • Modular and drawer-like design • 1+1 redundant 80PLUS platinum power supply • BBU battery (Optional) for abnormal power failure