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

Channels
16
16
8
4
Alarm I/O
16 in, 4 out
--
--
--
Storage Capacity GB
12,288
10,000
10,000
4,096
Image per second (IPS)
30
25/30fps, 50/60fps
25/30fps, 50/60fps
--
Compression Type
H.264
H.265+/H.265/H.264+/H.264
H.265+/H.265/H.264+/H.264
H.264
Resolution
1920 x 1080
1080P
1080P
1920× 1080
Signal Mode
PAL / NTSC
PAL / NTSC
PAL / NTSC
PAL / NTSC
External Storage
USB
USB
USB
USB
Audio Recording and Properties
1-ch, RCA (2.0 Vp-p, 1kohm)
G.711A, G.711U, PCM
G.711A, G.711U, PCM
G.711
IP Storage rate (fps)
30
--
--
30 fps
Hybrid IP inputs
--
16+8
8+4
--

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