hard drive failures

So I have had an old Western Digital MyBook for a while as my main back-up hard drive for years, and not really had any problems. A few formatting errors once or twice, but over a long time in between with no other signs of problems. For the last few months, I hadn't been the one using the...

I was planning on getting a new wireless card - http://bit.ly/1Som2c5 and wasnt sure if my slim micro atx case would fit the card (Aerocool QS-102) if the brackets would fit? If you need anymore info please feel free to enquire about the components. Thanks, Tom!