4k monitor

Good morning from Greece, I have the HikVision 4Κ NVR DS-7608NI-K2 with 2 Cams connected to it only via LAN, they are powered with PoE from another dedicated Ubiquiti switch (EdgeSwitch 8-150W). Their models are DS-2CD2386G2-IU (8MP 4K) and the older DS-2CD2363G0-IU (6MP). I am thinking of...