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Utilizatorii care cauta solutii de stocare cu capacitate mare la preturi accesibile aleg adesea HDD-uri (Hard Disk-uri). Acestea se bazeaza pe parti mecanice, inclusiv discuri magnetice si capete de citire/scriere, fapt ce le face mai vulnerabile la socuri si deteriorare fizica comparativ cu SSD-urile. Cu toate acestea, raportul capacitate/pret ramane un punct forte, facandu-le alegerea ideala pentru arhivarea datelor voluminoase. Viteza de rotatie a discului, masurata in RPM, influenteaza viteza de transfer a datelor, modelele mai rapide oferind performante superioare. Desi sunt inlocuite treptat de SSD-uri in multe aplicatii, HDD-urile raman relevante pentru stocarea pe termen lung si back-up.