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

Channels
8
8
4
16
Hybrid IP inputs
2-ch (up to 10-ch)
8+4
--
16+8
Storage Capacity GB
4096
10,000
4,096
10,000
Image per second (IPS)
Main Stream : 15, 25 (P) / 30 (N); Sub Stream : 25 (P) / 30 (N)
25/30fps, 50/60fps
--
25/30fps, 50/60fps
Compression Type
H.265 Pro+/H.265 Pro/H.265/H.264+/H.264
H.265+/H.265/H.264+/H.264
H.264
H.265+/H.265/H.264+/H.264
Resolution
5 MP
1080P
1920× 1080
1080P
Signal Mode
PAL / NTSC
PAL / NTSC
PAL / NTSC
PAL / NTSC
External Storage
USB
USB
USB
USB
Audio Recording and Properties
G.711u, 1-ch input, RCA (2.0 Vpp, 1 K?); 1-ch output, RCA (Linear, 1 K?)
G.711A, G.711U, PCM
G.711
G.711A, G.711U, PCM
IP Storage rate (fps)
Main Stream : 15, 25 (P) / 30 (N); Sub Stream : 25 (P) / 30 (N)
--
30 fps
--

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