Thursday 5 February 2015

Why SSD is better than HDD



Now, you can configure your computer with either an HDD, SSD, or in some cases both. But how do you choose? i explain the differences between SSDs and HDDs, and walk you through the advantages and disadvantage of both to help you come to your decision.

HDD and SSD Explained

The traditional hard disk drive (HDD) is the basic nonvolatile storage on a computer. That is, it doesn't "go away" like the data on the computer memory when you turn the computer off. Hard disk drives are essentially metal platters with a magnetic coating. That coating stores your data, whether that data consists of weather reports from the last century, a high-definition copy of the Star Wars trilogy, or your digital music collection. A read/write head on an arm accesses the data while the platters are spinning in a hard disk drive enclosure.

An SSD does much the same job functionally (saving your data while the computer is off, booting your system, etc.) as an HDD, but instead of a magnetic coating on top of platters, the data is stored on interconnected flash memory chips that retain the data even when there's no power present.

Difference between SSD and HDD

See differences in the image below:

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