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How do I find compatible Hard Drive for my motherboard? I am assembling my own computer and in my initial stages of finding out and buying a used Hard Drive. Any suggestions on types of compatible Hard Drive specs (in details) and cheap options to buy in Canada would be very highly appreciated. Motherboard spec:- INTEL DQ45CB MOTHERBOARD W CORE 2 DUO E8400 3.0GHZ Update (03/17/2017) Thanks guys. I understand the correct specs now. However, my pockets are bit tight and this is my first system in building, I am buying most of the USED parts. So any suggestion on a cheaper alternative will be greatly appreciated (say $30-$40) - just the moderate speed ones.

@sud Try checking out Canada computers or new egg both sites have refurbs for cheap and may sometimes come with free shipping. Anything you look at on ebay and amazon are subject to US dollar exchange and end up costing up to 30% more for it . Check out local computer stores and mom and pop shops for a freebee. I know when I swap out hard drives I’m left with older ones that I have no use for . You should also realize that you can use a 2.5 drive if you can come across one on the cheap ,you just need to get it fasten down as it will tend to move around as it spins . You can also sometimes get great used parts from studios that do high end gaming or rendering (special effect studios)as there always upgrading there hardware and often just trash there old inventory . I have got render blades from a studio in Toronto that had third gen i7 processors and 24gb of ram that I used to made up a bunch of gaming computers for a local kids club that kick butt and cost next to nothing. You can also use Kijijito advertise your need for a part . put a want add in the computer section asking for a handout . You would be surprised at what people are willing to give away . You may have to take a whole computer to get the hard drive. You may also find your hard drive on Kijiji . Hope some of these ideas help

@avanteguarde - Take a look at this graph:

Here you can see how things have improved with Seagate. Don’t forget they are using more Seagate per a given drive model than the others which can mislead you if you just look at the failure numbers. Look at the total run hours. Yes, HGST is still doing better and yes WD owns them, which does throw the numbers if you add them together. I still treat them as a different company as they use a different drive design than the WD drives.