Digital video recorders (DVRs) Comparison: March Networks, Digimerge  (4)

Channels
12
4
8
16
Monitor Outputs
1
1
1
1
Alarm I/O
8 in
4 inputs, 1 output
8 inputs, 4 output
16 inputs, 4 output
Storage Capacity GB
300
300
400
160
Image per second (IPS)
25 (PAL)/30 (NTSC)
120 over all cameras
120 over all cameras
120 over all cameras
Compression Type
MPEG4
MPEG4
MPEG4
MPEG4
Signal Mode
PAL, NTSC
PAL / NTSC
PAL / NTSC
PAL / NTSC
External Storage
CD-RW
CDRW / DVDRW
CDRW / DVDRW
CDRW / DVDRW
Audio Recording and Properties
1 in
4 in, 2 out ADPCM compression
4 in, 2 out ADPCM compression
4 in, 2 out ADPCM compression
IP Storage rate (fps)
25 (PAL)/30 (NTSC)
--
--
--
Resolution
--
720 x 576
720 x 576
720 x 576

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