DS-A82024D(C)

24-slot Double Controller Storage
Dual controller and real-time cache, optional BBU (Backup Battery Unit), one multi-core processor, 8 GB cache extendable to 32 GB per controller
High-performance, extendable hardware platform
HDD detection and repair/RAID optimization
Surveillance-specialized direct storage (Direct Streaming mode+IP SAN mode)
Advanced data protection (synchronous backup of key information in system disks)
Energy efficient and user-friendly UI