Grandstream Networks
GVR3550 NVR
The GVR3550 NVR automatically discovers, controls, captures, records and plays back high-resolution streaming video from Grandstream IP cameras and other ONVIF-compliant IP cameras/encoders/decoders. It offers concurrent video recording and storage management for up to 24 HD IP cameras and simultaneous live video feed viewing of up to 16 cameras. The GVR3550 has a large storage capacity of up to 16TB and up to 4 hard drives using either RAID 0 or RAID 1 setting. Fully customizable recording controls are inherent (manual, event triggered, scheduled or continuous).
https://www.grandstream.com/index.php/products/ip-video-surveillance/gvr3550