Hard disk for video surveillance

The need for the security of some makes it necessary to install video surveillance systems. This is a rather complex system, consisting of a considerable number of components, practically a computer. An important element of a workable system is a hard disk for video surveillance . It is to him that every day and absolutely without rest have to cope with recording a huge amount of digital information.

What should be the hard disk for video surveillance systems?

If you have a PC at home, then you know that on its hard drive (that is, the hard disk), information is first recorded, and then only reproduced. The features of the hard disk for video surveillance include orientation to simultaneous recording and playback of what is happening on the screen. In addition, such accessories guarantee the continuity of these two processes due to the high response speed to the commands received from the system.

In addition, the hard disk for video surveillance is highly reliable and workable, because he has to work day and night, completely without rest. And, by the way, here follows one more important characteristic of the hard drive for video surveillance systems - low power consumption. Thanks to this same constantly working HDD has a low level of heat emission. At the same time, the hard disk is capable of operating under different temperature conditions.

Which hard drive for video surveillance to choose?

When you select the main type of the type. Today, there are two connection interfaces-SATA and IDE. After that, you can go to the HDD rotation speed selection. Here everything is quite simple - the higher this parameter is, the faster and more efficiently the hard disk works, which means that the data transfer speed is faster. Today on sale you can find accessories with the speed of operations from 5400 to 150000 revolutions per second. We recommend giving preference to models with an average of 7200 r / s. However, it should be taken into account that the higher this criterion, the more heated the disk.

Do not overlook and such a parameter as the physical amount of memory. Today, the market is represented by quite "capacious" variations of the hard disk for video surveillance - from 320 GB to 2-4 TB.

Among the common models can be called hard drives for video surveillance systems Western Digital Purple, Seagate Surveillance HDD and Hitachi.