Product comparison · 2 digital video recorders (dvr)

Dahua Technology DH-DVR0404HF-AN Black vs Dahua Technology DH-DVR0404HF-AS digital video recorder (DVR) Black

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Comparison of DH-DVR0404HF-AN, DH-DVR0404HF-AS
21 specifications	A Dahua Technology DH-DVR0404HF-AN Black Model DH-DVR0404HF-AN View product	B Dahua Technology DH-DVR0404HF-AS digital video recorder (DVR) Black Model DH-DVR0404HF-AS View product
Performanceidentical
Video compression formats	H.264	H.264
Video capturing speed	30 fps	30 fps
Analog signal format system	NTSC, PAL	NTSC, PAL
Aspect ratio	16:9	16:9
Channels quantity	4 channels	4 channels
Playback resolutions supported	1920×1080, 1280×1024, 1280×720, 1024×768	1920×1080, 1280×1024, 1280×720, 1024×768
Product colour	Black	Black
Compatible operating systemsKnown for one	Unknown — not stated by the source	Linux
Ports & interfacesidentical
BNC input ports	4	4
BNC output portsKnown for one	1	Unknown — not stated by the source
USB 2.0 ports quantity	2	2
RS-485 ports	1	1
Networkidentical
Ethernet LAN (RJ-45) ports	1	1
Ethernet interface type	Gigabit Ethernet	Gigabit Ethernet
Supported network protocols	HTTP, TCP/IP, UPNP, RTSP, UDP, SMTP, NTP, DHCP, DNS, PPPOE, DDNS, FTP	HTTP, TCP/IP, UPNP, RTSP, UDP, SMTP, NTP, DHCP, DNS, PPPOE, DDNS, FTP
Hard driveidentical
Maximum HDD capacity	4 TB	4 TB
Poweridentical
Power consumption (typical)	20 W	20 W
Weight & dimensionsidentical
Dimensions (WxDxH)	325 x 240 x 45 mm	325 x 240 x 45 mm
Weight	2.35 kg	2.35 kg
Operational conditionsidentical
Operating relative humidity (H-H)	10 - 90%	10 - 90%
Operating temperature (T-T)	-10 - 55 °C	-10 - 55 °C

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.