Appendix
Appendix
A. Hard Disk Requirements
The total of recording frame rates that you can assign to a single hard disk is listed as below:
Frame rate limit in a single hard disk when connecting to analog cameras
Analog Cameras / SW Compression
MPEG4
Video Resolution
NTSC
PAL
CIF
960 FPS
800 FPS
VGA/D1
480 FPS
400 FPS
Analog Cameras / HW Compression
H.264
Video Resolution
NTSC
PAL
D1
480 FPS
400 FPS
Frame rate limit in a single hard disk when connecting to IP cameras
IP Cameras
H.264
MJPEG
Video resolution
Frame Rate
Bitrate
Frame Rate
Bitrate
5 MP (2560 x 1920)
220 FPS
8.5 Mbit/s
80 FPS
30.4 Mbit/s
4 MP (2048 x 1944)
330 FPS
10.4 Mbit/s
105 FPS
40.53 Mbit/s
3 MP (2048 x 1536)
440 FPS
9.83 Mbit/s
140 FPS
38.67 Mbit/s
2 MP (1920 x 1080)
660 FPS
12.59 Mbit/s
210 FPS
44.93 Mbit/s
1.3 MP (1280 x 1024)
660 FPS
6.16 Mbit/s
300 FPS
32.26 Mbit/s
Frame rate limit in a single hard disk when connecting to SDI cameras
Hardware Compression
H.264
Video Resolution
NTSC
PAL
1080p
360 FPS
300 FPS
1080i
360 FPS
300 FPS
720p
720 FPS
600 FPS
Note:
The above data was determined using the bitrate listed above and hard disks with
average R/W speed above 110 MB/s.
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