So I have an SSD working on AHCI mode.
I'm planning to add an SSHD to my rig, so the question is do I have to change SATA controller to RAID mode when I got my SSHD? (to enable its Built-in SSD caching)
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1Why would you need to do that?– RamhoundCommented Oct 16, 2015 at 19:02
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I'm using my SSD as OS disk, and I want to replace my HDDs with a single SSHD to be as fast. I could dedicate some of my SSD storage as cache to one of my HDDs though, but I got 2 HDDs, and I'm not sure if I can install my OS on SSDs remaning free space. Another thing is my SSD is only 120GB and I need all of it. Things can get pretty messed up, and that's why I think of getting an SSHD– wastedCommented Oct 16, 2015 at 19:38
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If you need all of your SSD then you shouldn't be using the majority of it for a cache when the SSHD has that capability built into and is the entire point I would presume your going with said SSHD solution.– RamhoundCommented Oct 16, 2015 at 20:10
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Yes, that's why I think of buying an SSHD.– wastedCommented Oct 16, 2015 at 20:20
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1 Answer
If you are buying a standalone SSHD with built-in SSD caching then no, as it is part of the drive and nothing to do with the SATA controller.
If you are buying a standard HDD to use with your existing SSD to create a SSHD yourself, then yes, that functionality requires RAID mode.
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Yes, I'm actually getting rid of my old 1TB and 3TB HDDs, and buying a 4TB SSHD with 8GBs of SSD as cache. So SSD Caching on SSHDs has nothing to do with Intel's Smart Response Technology?– wastedCommented Oct 16, 2015 at 19:31
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I got my answer clearly, but I want to know has anybody practiacally tried this before (having SSD and SSHD on a system working under AHCI mode), and was the result as said in the answer?– wastedCommented Oct 16, 2015 at 20:26
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Yes. And as I said a SSHD has nothing to do with the SATA controller so what mode it is in is irrelevant. Commented Oct 18, 2015 at 0:01