NVR504-16B - Uniview - Global AIoT Solutions Provider

	NVR504-16B	NVR504-32B
Decoding
Decoding Format	Ultra 265, H.265, H.264
Decoding Capability	Ultra 265/H.265: 2 x 16MP@30, 2 x 12MP@30, 4 x 4K@30, 6 x 5MP@30, 8 x 4MP@30, 10 x 3MP@30, 16 x 1080P@30 H.264: 2 x 16MP(4800*2688)@30, 2 x 12MP@30, 2 x 4K@30, 4 x 5MP@30, 6 x 4MP@30, 8 x 3MP@30, 14 x 1080P@30, 16 x 720P@30	Ultra 265/H.265: 2 x 16MP@30, 2 x 12MP@30, 4 x 4K@30, 6 x 5MP@30, 8 x 4MP@30, 10 x 3MP@30, 16 x 1080P@30, 32 x 960P@25 H.264: 2 x 16MP(4800*2688)@30, 2 x 12MP@30, 2 x 4K@30, 4 x 5MP@30, 6 x 4MP@30, 8 x 3MP@30, 14 x 1080P@30, 30 x 720P@30, 32 x D1
Decoding Capability Description	The resolution of each channel cannot exceed 8192 pixels in length and 4096 pixels in width, For VGA/HDMI independent output, the VGA live video is output by default. To output the highest resolution video from the HDMI port, please clear the VGA video on the preview page.
Audio Compression	G.711A, G.711U
Network
Incoming Bandwidth	320 Mbps
Outgoing Bandwidth	160 Mbps
Remote Users	128
Protocols	TCP/IP, P2P, UPnP, NTP, DHCP, PPPoE, HTTP, HTTPS, DNS, DDNS, SNMP, SMTP, RTSP, 802.1x, IPv6, IPv4
Browser (Plugin)	IE10, IE11, Chrome 45+, Edge 79+, Firefox 52+
Video/Audio Input
IP Video Input	16-ch	32-ch
RCA Audio Input	1-ch
Video/Audio Output
HDMI Output	4K (3840 × 2160)/30 Hz, 1920 × 1080/60 Hz, 1920 × 1080/50 Hz, 1600 × 1200/60 Hz, 1280 × 1024/60 Hz, 1280 × 720/60 Hz, 1024 × 768/60 Hz
VGA Output	1920 × 1080/60 Hz, 1920 × 1080/50 Hz, 1600 × 1200/60 Hz, 1280 × 1024/60 Hz, 1280 × 720/60 Hz, 1024 × 768/60 Hz
RCA Audio Output	1-ch
Liveview Display	1/4/6/8/9/16	1/4/6/8/9/16/25/32
Corridor Mode Screen	3/4/5/7/9/10/12/16	3/4/5/7/9/10/12/16/32
Two-way Audio
Two-way Audio	1-ch, RCA (Using the audio input and output)
Snapshot
FTP/Schedule/Event Snapshot	4-ch snapshot (max. D1 (720 × 576) video resolution, with D1 snapshot resolution)
Recording
Recording Resolution	16 MP/12 MP/8 MP/6 MP/5 MP/4 MP/3 MP/1080P/960P/720P/D1/2CIF/CIF
Synchronous Playback in Local	16-ch
Smart Function
Smart by IPC	All channels (up to 8 images/s in total) Face Detection, Vehicle Detection (LPR), Temperature Detection, SIP, UMD, Video Metadata, Traffic Monitoring
VCA Search	Motor Vehicle Search, Non-Motor Vehicle Search, Human Body Search, General Search, People Counting Report, Heat Map
Alarm
General Alarm	Defocus Detection, Scene Change Detection, Object Left Behind, Object Removed, Auto Tracking, Motion Detection, Tampering, Human Body Detection, Video Loss, Alarm Input, Audio Detection
Alert Alarm	IP Conflict, Network Disconnected, Disk Offline, Disk Abnormal, Illegal Access, Hard Disk Space Low, Hard Disk Full, Recording/Snapshot Abnormal
GUI Language
GUI Language	38 languages: Simplified Chinese, Traditional Chinese, English, Vietnamese, Thai, Turkish, Spanish (Latin America), Portuguese (Brazil), Spanish, Portuguese, French, German, Italian, Dutch, Polish, Czech, Hungarian, Slovak, Russian, Hebrew, Arabic, Ukrainian, Estonian, Bulgarian, Greek, Romanian, Danish, Swedish, Norwegian, Finnish, Croatian, Slovenia, Serbia, Korean, Japanese, Latvian, Lithuanian, Persian
Hard Disk
SATA	4 SATA Interfaces
Capacity	Up to 24 TB for each HDD (The maximum HDD capacity varies with environment temperature and hard disk size, The environment temperature for use should not exceed 40°C)
Disk Group	Support
Redundant Storage	Support
Disk Array Type	RAID 1, 5
External Interface
Network Interface	2 RJ45 10 M/100 M/1000 M self-adaptive Ethernet Interface
USB	Front: 1 x USB2.0, Rear panel: 1 × USB2.0, 1 × USB3.0
RS485	1
RS232	N/A
Alarm In	16-ch
Alarm Out	4-ch
Power Supply	DC 12 V/5 A
Power Switch	Support
Working Environment
Working Temperature	-10 ℃ to 55 ℃ (14 ℉ to 131 ℉)
Working Humidity	≤ 90% RH (non-condensing)
Power Consumption (without HDD)	≤ 20W
Dimensions
Weight (without HDD)	≤ 3.4Kg (7.50lb)
Dimensions	440mm × 344mm × 48mm(17.3"×13.5"×1.9")	440mm × 344mm × 48mm (17.3"×13.5"×1.9")
Certification
Certification	CE; FCC; UL; RoHS; WEEE
CE	EN 55032, EN 61000-3-3, EN IEC 61000-3-2, EN 55035
FCC	Part15 Subpart B

Datasheet
HD Image
User Manual
Quick Guide
Dimensions
Firmware

Class	Date	Title	Language	Type	Preview	Download
Datasheet	2026/6/23 17:02:22	UNV NVR504-B Series Network Video Recorder.pdf	English	pdf	Preview	Download
Datasheet	2026/6/23 17:02:22	UNV NVR504-B Series Network Video Recorder.pdf	English	pdf	Preview	Download

Class	Date	Title	Type	Download
HD Image	2026/6/5 16:36:24	NVR504-16B_HD_Image_1.png	png	Download
HD Image	2026/6/5 16:36:24	NVR504-16B_HD_Image_2.png	png	Download
HD Image	2026/6/5 16:36:24	NVR504-16B_HD_Image_3.png	png	Download

Class	Date	Title	Language	Type	Preview	Download
User Manual	2026/6/23 21:00:19	UNV-Network Video Recorders User Manual(New UI).pdf	English	pdf	Preview	Download
User Manual	2026/2/4 16:45:28	UNV-Network Video Recorders User Manual(Old UI).pdf	English	pdf	Preview	Download

Class	Date	Title	Language	Type	Preview	Download
Quick Guide	2026/5/2 5:05:48	Quick Guide.pdf	English	pdf	Preview	Download

Class	Date	Title	Download
Dimensions	2026/6/5 16:36:24	NVR504-16B_Dimensions_1.png	Download

Title	Language	Type	Download
NVR501_04_08_16B_04_08_16B_P-B3613.41.17.250108 Release Notes.pdf	English	pdf	Download
NVR501_04_08_16B_04_08_16B_P-B3613.41.17.250108.zip	English	zip	Download