Appendix H: 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
Size Per Frame
Quality
(KB)
High
20
Normal
15
Low
12
Size Per Frame
Quality
(KB)
High
20
Normal
15
Low
12
Frame Rate
1 Sec
60
1200
30
600
15
300
5
100
60
900
30
450
15
225
5
75
60
720
30
360
15
180
5
60
80
GB
160
GB
250
0
Day
1
Day
1
Day
3
Day
3
Day
6
Day
9
Day
18
Day
1
Day
2
Day
2
Day
4
Day
4
Day
8
Day
12
Day
24
Day
1
Day
2
Day
2
Day
5
Day
5
Day
10
Day
15
Day
30
Day
Time
1 Min
1 Hour
72000
4320000
36000
2160000
18000
1080000
6000
360000
54000
3240000
27000
1620000
13500
810000
4500
270000
43200
2592000
21600
1296000
10800
648000
3600
216000
HDD
GB
320
GB
2
Day
3
Day
4
Day
6
Day
9
Day
12
Day
28
Day
37
Day
3
Day
4
Day
6
Day
8
Day
12
Day
16
Day
38
Day
49
Day
4
Day
5
Day
8
Day
10
Day
16
Day
20
Day
48
Day
61
Day
1 Day
103680000
51840000
25920000
8640000
77760000
38880000
19440000
6480000
62208000
31104000
15552000
5184000
500
GB
4
Day
9
Day
19
Day
57
Day
6
Day
12
Day
25
Day
77
Day
8
Day
16
Day
32
Day
96
Day
77