I f you buy a hard disk from eBay or a reseller, there’s always the chance of getting a used hard disk. Or perhaps you’ve ...

The first commercial hard disk drive was introduced in 1956 as ... with capacity doubling in each generation. The IBM 305 RAMAC comprised 50 24-inch disk platters housed in a large, boxy cabinet ...

Shipped in September 1956, the first 5MB hard disk unit weighed over a ton (2,000 pounds) and was used by the IBM 305 RAMAC, which was the first commercial computer to have a moving-head hard disk.

A hard disk comprises one or more aluminum or glass platters, coated with a ferromagnetic material. Although the terms "hard disk" and "hard drive" are used synonymously; technically, the disk ...