| Model | | DS-7608NI-K2/8P | DS-7616NI-K2/16P | DS-7632NI-K2/16P |
| Video/Audio input | IP video input | 8-ch | 16-ch | 32-ch |
| Incoming bandwidth | 80 Mbps | 160 Mbps | 256 Mbps |
| Outgoing bandwidth | 160 Mbps | 160 Mbps | 160 Mbps |
| Video/ Audio output | HDMI output resolution | 4K (3840 × 2160)/30Hz, 2K (2560 × 1440)/60Hz, 1920 × 1080/60Hz, 1600 × 1200/60Hz, 1280 × 1024/60Hz, 1280 × 720/60Hz, 1024 × 768/60Hz | | |
| Audio output | | | | |
| Audio output | VGA output resolution | 1920 × 1080/60Hz, 1280 × 1024/60Hz, 1280 × 720/60Hz, 1024 × 768/60Hz | | |
| Audio output | 1-ch, RCA (Linear, 1 KΩ) | 1-ch, RCA (Linear, 1 KΩ) | 1-ch, RCA (Linear, 1 KΩ) |
| Decoding | Decoding format | H.265/H.265+/H.264/H.264+/MPEG4 | | |
| Recording resolution | 8MP/6MP/5MP/4MP/3MP/1080p/UXGA/720p/VGA/4CIF/DCIF/2CIF /CIF/QCIF | | |
| Synchronous playback | 8-ch | 16-ch | 16-ch |
| Capability | 2-ch @ 8 MP (25fps) / 4-ch @ 4MP (30fps) / 8-ch @ 1080p (30fps) | 2-ch @ 8 MP (25fps) / 4-ch @ 4MP (30fps) / 8-ch @ 1080p (30fps) | 2-ch @ 8 MP (25fps) / 4-ch @ 4MP (30fps) / 8-ch @ 1080p (30fps) |
| Hard disk | SATA | 2 SATA interfaces | 2 SATA interfaces | 2 SATA interfaces |
| Capacity | Up to 6TB capacity for each HDD | Up to 6TB capacity for each HDD | Up to 6TB capacity for each HDD |
| Network management | Network protocols | TCP/IP, DHCP, Hik-Connect, DNS, DDNS, NTP, SADP, SMTP, NFS, iSCSI, UPnP™, HTTPS | | |
| External interface | Two-way audio | 1-ch, RCA (2.0 Vp-p, 1kΩ) | 1-ch, RCA (2.0 Vp-p, 1kΩ) | 1-ch, RCA (2.0 Vp-p, 1kΩ) |
| External interface | Network interface | 1 RJ-45 10/100/1000 Mbps self-adaptive Ethernet interface | 1 RJ-45 10/100/1000 Mbps self-adaptive Ethernet interface | 1 RJ-45 10/100/1000 Mbps self-adaptive Ethernet interface |
| USB interface | Front panel: 1 × USB 2.0; Rear panel: 1 × USB 3.0 | Front panel: 1 × USB 2.0; Rear panel: 1 × USB 3.0 | Front panel: 1 × USB 2.0; Rear panel: 1 × USB 3.0 |
| Alarm in/out | 4/1 | 4/1 | 4/1 |
| POE | Interface | 8, RJ-45 10/100 Mbps self-adaptive Ethernet interface | 16, RJ-45 10/100 Mbps self-adaptive Ethernet interface | |
| interface | Interface | | | |
| POE | Interface | | | |
| interface | Power | ≤ 180 W | ≤ 280 W | ≤ 280 W |
| POE | Supported standard | IEEE 802.3 af/at | IEEE 802.3 af/at | IEEE 802.3 af/at |
| General | Power supply | 100 to 240 VAC | 100 to 240 VAC | 100 to 240 VAC |
| Power | ≤ 180 W | ≤ 280 W | ≤ 280 W |
| Consumption (without hard disk) | ≤ 15 W (without enabling PoE) | ≤ 15 W (without enabling PoE) | ≤ 15 W (without enabling PoE) |
| Working temperature | -10 to +55° C (14 to 131° F) | -10 to +55° C (14 to 131° F) | -10 to +55° C (14 to 131° F) |
| Working humidity | 10 to 90 % | 10 to 90 % | 10 to 90 % |
| Chassis | 385 mm chassis | 385 mm chassis | 385 mm chassis |
| Dimensions (W × D × H) | 385 × 315× 52 mm (15.2" × 12.4" × 2.0") | 385 × 315× 52 mm (15.2" × 12.4" × 2.0") | 385 × 315× 52 mm (15.2" × 12.4" × 2.0") |
| Weight (without hard disk) | ≤ 3 kg (6.6 lb) | ≤ 3 kg (6.6 lb) | ≤ 3 kg (6.6 lb) |
