SSD vs. HDD: How Can Each Benefit Higher Education?

HDD and SSD Explained The primary difference between HDD and SSD is physical, specifically in the way that they physically read and write data onto the disk. First introduced in 1956, HDDs use magnetism to store data on a rotating platter with a read/write head floating above that spinning platter. The faster the spin, the faster the HDD’s performance. For example, a typical laptop drive spins at 5,400 rpm or 7,200 rpm, while some server-based drives can go as high as 15,000 rpm.
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