difference between 2.5 and 3.5 inches

Question

Hello, How can I find out which hard drive I can put in my external case from Maxtor? 2.5" or 3.5". Thank you in advance for your help

jee pee · Accepted Answer

hi,

3.5 inches is the size of a disk for desktop computers

2.5 inches is the size of a disk for laptops

to know what to use, you need to check the documentation. And generally, 2.5-inch enclosures don’t have an external power supply; it's the USB that provides the power

best regards

fabian · Answer

Hello, I have a power supply and a USB port. Would it be 3.5 inches?

jee pee · Answer

measure the location or put the disk, a 3.5 inch disk is 10 cm wide, a 2.5 inch disk is 7 cm wide

fabian · Answer

Hello,
10 cm wide, that’s 3.5 inches.
Are all hard drives compatible with this type of enclosure? I know it shouldn’t exceed 7200 RPM since it’s USB, but are there any other restrictions?
Thank you

jee pee · Answer

You need to know what type of disk connector you have on your case, IDE or SATA?

Difference between 2.5 and 3.5 inches

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