hard drive question

My HD on my 2500 has been acting up lately, I found one on amazon for cheap, plus I got a gift card from there for x-mas, figured I might as well use it for something useful. I hope someoe could tell me if the following HD has the right stats, I'm too sure what the '9.5mm' refers to. I'm not worried about the brand, just the stats. As I'm fully aware that not every particular brand or model has been tested. I just want to be absolutely sure about the stats

http://www.amazon.com/gp/product/B003GB ... NLISLVQLJ5


Thanks in advance

that hard disk should work no problem

Thanks for the reply, I figured it would just wanted some confirmation