DS-2HK72HDNAS-JD

Ultra CVR
Video direct stream storage technology reduce recording server costs
VRAID technology allowing video recording services to remain uninterrupted even when multiple hard disks are damaged.
Energy efficient and user-friendly UI
Supports hot-swappable system disks (RAID 1 is optional)
High performance: supports up to 1,024 channels at 2,048 Mbps total bandwidth.
Supports 2 PCIe expansion slots(optional to 4).
Supports 8 × 2.5 GbE ports.
Supports dual power supplies (expandable to 4).