Q-See QSD2308L - Appendix B Calculating Recording Capacity

QSD2308L/QSD2316L DVR User’s Manual
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Appendix B Calculating Recording Capacity
Users can calculate the size of hard drive needed based on DVR recording
settings. The DVR uses fixed video bit rate. Below is the space used at
different settings.
Video
Format
Resolution
Frame
Rate
Total
(FPS)
Video Quality
Bit Rate
(kbps)
Storage
Used
(MB/h)
PAL
CIF
25
Highest
640
281
Higher
512
225
Medium
384
168.7
Lower
256
112.5
Lowest
128
56
NTSC
CIF
30
Highest
640
281
Higher
512
225