Vivotek - 16  Ch. Plug & Play NVR, Embedded Linux, 2 GB RAM, MJPEG/H.264/H.265, 3.5 Phone Jack Audio Output x1, ONVIF Profile S, Internal x4 (3.5") Up to 8TB, 100-240V AC, 50/60Hz.

Vivotek - 16Ch. NVR, Embedded Linux, 1920x1080 @ 480 fps, MJPEG/H.264/H.265, Internal x4 (3.5") Up to 8TB, 3.5 Phone Jack Audio Output x1, 2GB RAM, DC 56V 2.32A.

Hunt - 16Ch. NVR, Up to 12MP Real-Time Recording, H.264 / H.264+ / H.265 / H.265+, Two-way Audio, Supports 4 SATA Interfaces ( Up to 8TB each), 100~240VAC/20W, HDMI output at up to 4K resoluton. **OEM Hikvision - No Logo**

GeoVision - 4K 16Ch. NVR, 16 Port Built-in PoE+, H.265/H.264, Two-way Audio, 2 SATA Ports (Up to 8TB Each).

Hunt - 16Ch. 4K Plug & Plug NVR, H.265/H.264+/H.264, Plug & Play with 16 independent PoE network interfaces, Two-way Audio, Supports 4 SATA Hard Drives (Up to 8TB each), Hard Drives not Included. **HIKVision OEM - No Logo**

Hunt - 16Ch. HD-TVI Hybrid NVR, Supports HDTVI and Analog Cameras, Supports Up to 16 Additional IP Cameras, H.264+/H.264, Supports 2 SATA Hard Drives (Up to 8TB each), Audio I/O: 4/1. **OEM Hikvision - No Logo**

Hunt - 16Ch. Hybrid NVR, Supports Up to 16 Additional IP Cameras, Up to 3MP Recording Resolution, H.264, Supports 2 SATA Hard Drives (Up to 6TB each), Audio I/O: 4/1. **OEM Hikvision - No Logo**

Hunt - 16Ch. 4K PoE NVR, Up to 12MP Real-time Recording, H.265/H.264+/H.264/MJPEG, Two-way Audio, Supports 2 SATA Hard Drives (Up to 8TB each), Hard Drives Not Included. **HIKVision OEM - No Logo**

UNV - 4K 16Ch. PoE NVR, H.264/H.265/Ultra 265, 8 independent 100 Mbps PoE network interfaces, Supports 2 SATA Hard Drive (Up to 10TB), Hard Drive not included, ANR.

UNV - 4K 16Ch. PoE NVR, H.264/H.265/Ultra 265, 16 independent 100 Mbps PoE network interfaces, Supports 2 SATA Hard Drive (Up to 8TB), Hard Drive not included, ANR.

Dahua - 16Ch. 4K ePoE NVR, H.264/Smart H.264+/H.265/Smart H.265+/MJPEG, Supports 4 SATA Hard Drives (Up to 10TB each), Hard Drives not Included, ANR, IVS.

Dahua - 16Ch. 4K ePoE NVR, H.264/Smart H.264+/H.265/Smart H.265+/MJPEG, Supports 2 SATA Hard Drives (Up to 10TB each), Hard Drives not Included, ANR, IVS.

Dahua - 16Ch. 4k NVR, 8 MP Resolution, H.265/H.264/MJPEG Video Compression, 2 SATA Ports, UP to 8TB capacity for each Hard Drive, 100 VAC to 240 VACA/PoE,

GeoVision - GV-VMS Pro License Software for 64Ch. Platform with 3rd Party IP Cameras up to 16 Non Geovision Cameras.

GeoVision - GV-VMS Pro License Software for 64Ch. Platform with 3rd Party IP Cameras up to 12 Non Geovision Cameras.