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Appendix #9 – HDD Usage Table
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Appendix #9 – HDD Usage Table
The following table is provided as an approximation of Hard Drive usage. Variables in image quality and
frame rates may alter the hard drive usage.
HDD Usage Table
Time
Quality
Size Per
Frame(KB)
Frame Rate
1Sec 1Min 1Hour 1Day
60 1200 72000 4320000 103680000
30 600 36000 2160000 51840000
15 300 18000 1080000 25920000
High 20
5 100 6000 360000 8640000
60 900 54000 3240000 77760000
30 450 27000 1620000 38880000
15 225 13500 810000 19440000
Normal 15
5 75 4500 270000 6480000
60 720 43200 2592000 62208000
30 360 21600 1296000 31104000
15 180 10800 648000 15552000
Low 12
5 60 3600 216000 5184000
HDD
Quality
Size Per
Frame(KB)
80 GB 160 GB 250 GB 320 GB 500 GB
0 Day 1 Day 2 Day 3 Day 4 Day
1 Day 3 Day 4 Day 6 Day 9 Day
3 Day 6 Day 9 Day 12 Day 19 Day
High 20
9 Day 18 Day 28 Day 37 Day 57 Day
1 Day 2 Day 3 Day 4 Day 6 Day
2 Day 4 Day 6 Day 8 Day 12 Day
4 Day 8 Day 12 Day 16 Day 25 Day
Normal 15
12 Day 24 Day 38 Day 49 Day 77 Day
1 Day 2 Day 4 Day 5 Day 8 Day
2 Day 5 Day 8 Day 10 Day 16 Day
5 Day 10 Day 16 Day 20 Day 32 Day
Low 12
15 Day 30 Day 48 Day 61 Day 96 Day