Network Video Recorder(NVR)
3
Hard Disk
Issue V1.1 (2014-07-15)
5
3
Hard Disk
3.1 Precautions
!
Formatting will clear all video data on the hard disk. Use this function only when
necessary.
!
The NVR must be connected to a stable power supply during runtime; otherwise,
the hard disk may be damaged or data may be lost.
!
To achieve a balanced performance, more than two pieces of hard disk are
recommended.
3.2 Video Storage Duration
Table 3-1
Video storage duration
Maximum Hard Disk
Capacity
Maximum Bit Rate
Video Storage Duration
8
!
4 TB
144 Mbps
20 days
Table 3-2 shows examples of video storage duration (
h
is 24 hours).
Table 3-2
Examples of video storage duration
Hard Disk
Capacity
Bit Rate
Video Count
Video Storage
Duration
8
4TB
D1, 1.5Mbps
32
60 days
8
4TB
720p, 3Mbps
32
30 days
8
4TB
1080p, 4.5Mbps
32
20 days
The data listed in the preceding table is for reference only. The recording time estimate may
be different from the actual recording time, based on the average bit rate the cameras are
using. The user shall be liable for any loss of video incurred as a result.
Summary of Contents for VHDIPL-32
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