Hybrid hard disk drive [hdd with built-in solid state memory (ssd)]

WD Internal Drives Internal Drives
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Since we are already talking of hybrids, i think it is more desirable if a hard disk drive can give you an option whether to choose an electronic solid state drive (SSD) or a hard disk drive (HDD) from setting up an operating system to saving your files on a computer. In this way you can have the best of both the stability of a hard disk drive and the speed of a solid state drive on your computer.