Wednesday, 21 August 2013

What is the function of the four pins on my SSD?

What is the function of the four pins on my SSD?

While searching for an answer, I found this question on SU what is the
purpose of this 4 pin interface on sata hdds and why doesnt it exist on
SSDs?
Well, on my Kingston HyperX SSD drive, they do exist.

So if Spread Spectrum Clocking and reduced power spin up is not needed,
what would be the function of these four pins?
All of my search attempts show only a few variants that apply to 2.5"
spinning platter drives depending on vendor and none for SSD, to include
the attached SU question.
Any ideas?

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