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What is the difference in the operation of SSD and HDD? The acronym SSD stands for Solid State Drive , or solid state drive .Īn SSD is a device that uses solid state memory (especially flash memory ) instead of magnetic media like traditional HDDs do.īoth the two types of disk (SSD and HDD) are memory devices that the computer can use for data reading and writing operations .įrom this point of view there is no difference: an internal SSD disk performs the same functions as the classic HDD, that is to start the system, start programs, and save and load data.Ī computer can in fact use an HDD or SSD to store programs, files necessary for the operation of the operating system, and even personal data. I hope it will help you better understand what suits you best , if you are considering a possible replacement of your current disk with an SDD or HDD to make your computer faster or more capacious . In this lesson I’ll explain what an SSD is and what are the advantages and disadvantages of SSDs compared to HDDs . In almost all computers (portable or fixed) it is now possible (and accessible to everyone’s pockets) to replace the internal disk with a new SDD disk (or with a new HDD). This new drive, much faster than HDD, is called SSD ( Solid State Drive ) – also commonly referred to as solid state drive or solid state drive . However, for some years the technological evolution has been leading to the rapid diffusion of another type of hard disk to be used internally (or even as an external disk). The HDD is present by default on most laptops and desktops, and consists of a platter with magnetic coating that rotates as the head reads and writes data. Learn about the advantages and disadvantages of Solid State Drives (SSDs ) , a type of internal disk that is much faster than HDDs, traditional hard drives.Įven today, the most common type of disk in home computers is the HDD ( hard disk drive) , also called hard disk , hard disk or, simply, internal hard disk .