... synchronous realtime playback, GRID interface> Support Multi-brand network cameras: Dahua, Arecont Vision, AXIS, Bosch, Brickcom, Canon, CP Plus, Dynacolor, ... etc.> ONVIF Version 2.0 conformance> 3D intelligent positioning with Dahua PTZ camera> Support 2 SATA HDDs up to 8TB, 2 ... @1080P400/480fps@D1, 200/240fps@720P, 100/120fps@1080P Ration Dahua NVR ---16Channel 1U Network Video Recorder---NVR3216