Concept Pro VHDIPL-32 - Hard Disk; Precautions; Video Storage Duration

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.