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Hard drives for laptops, the Hard drive for the SATA IDE Almaty laptop buy in Almaty
Buy Hard drives for laptops, the Hard drive for the SATA IDE Almaty laptop
Hard drives for laptops, the Hard drive for the SATA IDE Almaty laptop

Hard drives for laptops, the Hard drive for the SATA IDE Almaty laptop

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Kazakhstan, Almaty
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Technical characteristics
  • BrandSATA
Description
The hard drive for SATA, IDE Almaty laptops.

The hard drive for the laptop (HDD) is a device for long storage of information. It represents one or several glass or aluminum plates on which the magnetic layer, the engine which rotates plates and the block of magnetic heads is applied. All this is hermetically packed into the metal case.

Unlike random access memory which loses all information saved in it at switching off of the laptop the hard drive stores information constantly. Besides, the much bigger volume, than random access memory have hard drives.

In the laptop all data are presented in the form of sequences of bits. On the hard drive each bit is stored in a type of a magnetic charge on the magnetized surface of plates. When the laptop saves information, it sends it to the hard drive in the form of sequences of bits. The hard drive, in turn, obtains data, positions magnetic heads and with their help writes down the received sequence, magnetizing a surface of plates. Similarly there is a reading of information from the hard drive. Heads of reading/record can get access to any point of any plate at any time.

In modern laptops hard drives by a format 2,5 inches, with a frequency of rotation of a spindle from 4200 rpm (revolutions per minute) on laptops with Pentium I processors - the II-III, to 5400 and 7200 rpm on laptops of the last generation are used.

The memory size of the hard drive is measured in gigabytes. For laptops hard drives of various volumes are on sale: from 10 Gb to 500 Gb. And in April of last year, the Seagate company presented the hard drive which has the biggest capacity for today - 1TB. Speed of rotation of a spindle makes 5400 rpm. The firm declared that this 1-tirabaytny winchester consumes as much energy, as well as a usual disk with a speed of rotation of a spindle of 4500 rpm. Besides, this hard drive is almost silent in work, thanks to special Seagate SoftSonic motors.

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Hard drives for laptops, the Hard drive for the SATA IDE Almaty laptop
Hard drives for laptops, the Hard drive for the SATA IDE Almaty laptop
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