2TB HDD: DHI-NVR4104HS-4P-4KS2-2TB
3TB HDD: DHI-NVR4104HS-4P-4KS2-3TB
4TB HDD: DHI-NVR4104HS-4P-4KS2-4TB
Dahua H.265+ Standard NVR Record Up to 8MP, 80Mbps input, 4 Port PoE, 1 x HDD space up to 10TB, 1x HDMI(4K)/VGA, Smart 2.0, P2P, Surveillance HDD