Originally Answered: What is the difference between tumour and cancer? A tumor can be benign or cancerous. A benign (non cancerous) tumor is a mass of cells that lacks the ability to invade neighboring tissue.
While portable slim hard drives are meant for carrying around in a backpack or laptop bag, all but the largest 32 TB and 64 TB external hard drives (featured here above) are still small enough for easy transport in a backpack or briefcase.
Determine your hard drive's classification. Hard drives come in two main sizes--3.5 inch, and 2.5 inch--which are technical classifications that refer to the width of a hard drive's platter (the disk that stores your computer's memory), but not the full dimensions of the hard drive unit itself.