Hard disk manufacturers who left industry or backrupted

The dark side of free market is concurrency what forces some companies to be sold or banckrupt. The same happens in storage industry. That means after a couple of years you can find hard disk drive without any information only because it is not produced any more and company did it is left business.

More - http://hdd-compare.com/en/blog/hard-disk-manufacturers-out-of-the-game