why do all drives have less space than actually said?

Question

i have seen drives like a 2tb on that i have but it only has 1.81 tb. i have a 512gb one and it only has like 495gb. why is this?

edit: typo

In: Technology

Answer 1

It’s a matter of marketing. One gigabyte is equal to 1024 MB to a computer, but manufacturers advertise 1 GB as 1000 MB. Because of this, a hard drive advertised being able to store 500 GB can only actually store around 490 GB on your computer.