3.5-inch desktop-class 1 TB drives measure approximately 4 inches wide, 5.8 inches long, and 0.8 inches thick. Now you have already known that 2.5-inch hard drives are comparatively smaller than 3.5-inch hard drives. 2.5-inch VS 3.5-inch HDD: Physical Dimension is Quite Important… In terms of 2.5 inches, the hard drive platter size is precisely set at 2.5 inches and with the casing, the size extends up to 2.8 inches. Normally it is 3.74 inches and with the casing, the total HDD width is around 4 inches. 3.5inch platters are quite big than the standard. Here, the 2.5 inches and 3.5 inches are the platter width of the hard drives. Read More: What is Disk Partitioning? Advantages & Disadvantages Explained! What does the term ‘3.5 inch and 2.5 inch’ refer on Hard Drives?Īs we said before, hard drives generally come into two different form factors which are 2.5-inch and 3.5-inch. There were some different form factor hard drives that existed like 8 inches, 5.25 inches, 1.3 inches, 1 inch, and 0.85 inches but they are discontinued. So, let’s dive deep into this article and learn the differences of vs 3.5 HDD. Along with different form factors, 2.5-inch HDD and 3.5-inch HDD also have some differences. Laptops and Notebooks are typically using 2.5-inch hard drives, desktops on the other hand use 3.5-inch hard drives. They physically look completely different. But if we tear apart our laptop and desktop then we find that both laptop and desktop have a different kind of hard drive. Nowadays, hard disk drives are everyone’s favorite option because they are cheap, reliable, and also fast enough to handle almost every task.
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