hi i want to install samsung ssd 840 pro in my y400 laptop. i want to know that y400 support sata 3 or its sata 2?
It is SATA 3, though I'd recommend getting a mSATA size SSD and just put it in the mSATA slot. That way you don't have to remove anything. The mSATA slot is SATA 3.
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