Yes I had lags directly at the NVR when watching with a monitor even @15/1000Kbps. Camera loads were between 250-750Kbps. 2000Kbps maximum when set at H.265, 1080p, VBR, 20FPS, 2000Kbps. I tried powering the cameras with a PSU and connect them to the NVR switch, just to exclude a PoE management...