OV-7204 / OV-7208 H.264 DVR User Manual
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Appendix 2 hard disk space occupation calculation
This DVR data hard disk occupation per channel/hour is as following table according to
different bit rate and resolution:
(The table is only for reference, the real product shall prevail)
Unit: Megabyte /Channel/Hour
Bit rate
Resolution
Excellent
Good
Ordinary
D1
400
300
200
half-D1
350
250
150
CIF
300
200
100
According to this table, for a 4-channel DVR 800 is the hard disk space occupied by 4
cameras 24 hours per day.
The data from different environment, signal source and bit rate will be different, so the
data can only serve for reference
