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SMR (Stacked Magnetic Recording) technology is an important trend in the hard disk industry in recent years, 

which increases the capacity of hard disk by increasing the density of magnetic tracks. Compared with the traditional CMR

 (perpendicular magnetic recording) technology, SMR hard disk has the following features in the surveillance field:

1. Lower power consumption

SMR hard disks consume less power because the magnetic heads do not need to move as often when writing data. 

This can effectively reduce operating costs for surveillance systems that need to run for long periods of time.

2. Lower Cost

Since SMR hard disk adopts more advanced technology, it costs less to produce. This makes SMR hard disks less expensive

 than CMR hard disks and more cost-effective.

3. More suitable for surveillance application scenarios

Surveillance systems are characterized by constant writes, fewer reads, and no rewrites, which is a perfect match for the 

characteristics of SMR hard disks. SMR hard disks can give full play to their advantages and provide better storage solutions for surveillance systems.

The following are the specific application scenarios of SMR hard disk in the field of surveillance:

Large surveillance systems: e.g. city surveillance, traffic surveillance, safe city, etc.

Small and medium-sized surveillance systems: e.g. home monitoring, store monitoring, enterprise monitoring, etc.

Mobile surveillance system: such as car surveillance, law enforcement recorder, etc.

Summary: SMR hard disk drives are the best choice for the most demanding applications.

SMR hard disk has become the mainstream choice in the surveillance field with higher storage capacity, lower power consumption, 

higher stability and lower cost. In the future, with the continuous development of SMR technology, its advantages will be more obvious 

and will provide more powerful storage capacity for surveillance systems.

Special Tip:

SMR hard disk is inferior to CMR hard disk in terms of write performance, but the impact is not obvious for surveillance application scenarios.

*** Translated with www.DeepL.com/Translator (free version) ***