IDE or AHCI?

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26 Aug 2011
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Hello!
I'm looking to get a new hard drive because I'm in need of some mega space for uni. I've actually spent the past 2 weeks fiddling with a WD 1.5tb drive I got but sent 3 back cus they were all making a grinding noise literally after only installing windows 7 on them. My question is for a 6gbs sata drive(which is what the WD drive was supposed to be) do I use AHCI or IDE? I have been setting it to AHCI but I don't really know if I need it. I might get a SSD in future but not for a while. What exactly does AHCI give me that's better then IDE and does it even perform better in AHCI? I'm starting to get paranoid the drives aren't working cus it's not actually changing to AHCI even though it says it is. I'm sorry if this makes no sense but I hope you guys can help!
 
If you want the short answer, AHCI is better as it gives you access to extra features such as hotswapping and native command queuing (more info on google :)). You may never use those features but it does no harm at all to leave AHCI enabled. I dont think it makes a difference to performance, sata is sata after all, but I could be wrong
 
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