What is this thing?

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What type of connector is this? (sh.itjust.works)

submitted 3 weeks ago* (last edited 3 weeks ago) by tophneal@sh.itjust.works to c/whatisthisthing@lemmy.world

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Recently got a Sonnet xMac Pro Server case to put my MacPro6,1 into my rack. I'm getting things fitted into the Thunderbolt expansion housing and noticed this board with a socket on it. The board has power wired from the PSU, but there's nothing in the manual/product details (even though it's in the illustrations) that indicate what this connector is or what its intended purpose is. Can anyone enlighten me?

Edit: I just looked up a video of a version of this module with an outer case, for desktop use. Otherwise looks the same inside. It looks like this might provide power to 2 top-rear mounted fans. https://youtu.be/zG4I8q5JbyY?t=285&si=43mA0xhR-7ETQgPd

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[–] HootinNHollerin@lemmy.world 2 points 3 weeks ago* (last edited 3 weeks ago)

Often the X designation in the board revision denotes prototype (pre-production) And production starts with A and then is revised to B etc