Digital video recorders (DVRs) Comparison: Hikvision, Dahua Technology  (4)

Channels
2
8
4
16
Monitor Outputs
2 x BNC (1.0Vp-p, 75 Ohm)
--
--
--
Alarm I/O
4 in / 2 out
--
--
--
Storage Capacity GB
2000
10,000
4,096
10,000
Image per second (IPS)
25 fps (PAL) / 30 fps (NTSC)
25/30fps, 50/60fps
--
25/30fps, 50/60fps
Compression Type
H.264
H.265+/H.265/H.264+/H.264
H.264
H.265+/H.265/H.264+/H.264
Resolution
1280 x 1024
1080P
1920× 1080
1080P
Signal Mode
PAL, NTSC
PAL / NTSC
PAL / NTSC
PAL / NTSC
Hybrid IP inputs
--
8+4
--
16+8
External Storage
--
USB
USB
USB
Audio Recording and Properties
--
G.711A, G.711U, PCM
G.711
G.711A, G.711U, PCM
IP Storage rate (fps)
--
--
30 fps
--

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