| Features |
Specifications |
| Product Type |
4-Channel 1U Network Video Recorder |
| IP Video Input |
4 Channels |
| Video Compression |
Ultra 265 / H.265 / H.264 |
| Recording Resolution |
4K / 5MP / 4MP / 3MP / 1080P / 960P / 720P / D1 / 2CIF / CIF |
| Recording Capability |
Up to 4K Resolution |
| ONVIF |
Profile S / Profile G / Profile T |
| RTSP |
Supported |
Decoding
| Item |
Specifications |
| Decoding Format |
Ultra 265 / H.265 / H.264 |
| Decoding Capability |
1 × 4K @ 30fps |
| Decoding Capability |
4 × 5MP @ 25fps |
| Decoding Capability |
4 × 4MP @ 25fps |
| Decoding Capability |
4 × 3MP @ 25fps |
Video & Audio Output
| Item |
Specifications |
| HDMI Output |
Up to 3840 × 2160 @ 30Hz |
| VGA Output |
Up to 1920 × 1080 @ 60Hz |
| Display Output |
HDMI and VGA Simultaneous Output |
| Audio Output |
1 × 3.5mm |
| Audio Compression |
G.711A / G.711U |
| Synchronous Playback |
4 Channels |
| Live View Display |
1 / 4 |
| Corridor Mode |
3 / 4 |
Network
| Item |
Specifications |
| Incoming Bandwidth |
64Mbps |
| Outgoing Bandwidth |
48Mbps |
| Remote Users |
Up to 128 Users |
| Network Interface |
1 × RJ45 10/100Mbps Self-Adaptive Ethernet |
| Protocols |
TCP/IP, P2P, UPnP, NTP, DHCP, PPPoE, HTTP, HTTPS, DNS, DDNS, SMTP, RTSP |
Smart Functions
| Function |
Specifications |
| VCA Detection |
Intrusion, Cross Line, Enter Area, Leave Area, Audio Detection, Ultra Motion Detection |
| Smart Intrusion Prevention |
Supported on 4 Channels |
| VCA Search |
Face Search, Behavior Search |
| General Alarm |
Motion, Tampering, Human Body Detection, Video Loss, Alarm Input |
| Alert Alarm |
IP Conflict, Network Disconnected, Disk Offline, Disk Abnormal, Illegal Access, Low Disk Space, Disk Full, Recording/Snapshot Abnormal |
Storage
| Item |
Specifications |
| SATA Interface |
1 × SATA |
| Maximum HDD Capacity |
Up to 8TB |
| Snapshot |
1-Channel Snapshot, Up to D1 Resolution |
Interface
| Item |
Specifications |
| USB |
2 × USB 2.0 |
| RS485 |
Not Supported |
| RS232 |
Not Supported |
| Alarm Input |
Not Supported |
| Alarm Output |
Not Supported |
Power & General
| Item |
Specifications |
| Power Supply |
DC 12V / 2A |
| Power Consumption |
≤5W Without HDD |
| Operating Temperature |
-10°C ~ 55°C |
| Operating Humidity |
≤90% RH, Non-Condensing |
| Dimensions |
260 × 240 × 46mm |
| Weight |
≤0.98kg Without HDD |
| Chassis |
1U |
Note: The NVR301-04S3 supports 4 IP camera channels and one SATA HDD with a maximum capacity of 8TB according to the referenced datasheet.
Important: NVR301-04S3 is the non-PoE version. Do not confuse it with NVR301-04S3-P4, which includes 4 independent PoE network interfaces.
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