Hard Disk; Precautions; Hard Disk Recommendation; Video Storage Duration - Ganz NR8-32M78 Quick Start Manual

Network Video Recorder(NVR)
Quick Start Guide

3.1 Precautions


Formatting will clear all video data on the hard disk. Use this function only when
necessary.
 Be sure to uninstall the hard disk before removing it from the NVR during runtime;
otherwise, the hard disk may be damaged or data may be lost.
 The NVR must be connected to a stable power supply during runtime; otherwise,
the hard disk may be damaged or data may be lost.

The maximum capacity of a single hard disk cannot exceed 4 TB.
 To achieve a balanced performance, more than two pieces of hard disk are
recommended.

3.2 Hard Disk Recommendation

Seagate or Western Digital hard disks which are highly stable and inexpensive are
recommended.

3.3 Video Storage Duration

Table 3-1 Video storage duration
Maximum Hard Disk
Capacity
8 × 4 TB
Formulas for calculating the video storage duration:
Step 1
Use the following formula to calculate the storage capacity q (unit: MBybte) required
to record a single video per hour:
q = d/8×3600/1024
d indicates the bit rate (unit: Kbit/s).
Issue V1.1 (2016-02-22)
Maximum Bit Rate
144 Mbps

3 Hard Disk

3
Hard Disk
Video Storage Duration
20 days
5