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My late 2012 Mac mini came with the hard drive installed in the upper bay (the one that is on the ‘bottom’ when the mini is upside down). I want to install an SSD drive in the other bay but can’t find the proper hard drive mounting pins. Where can I get these?

T8 TORX HARD DRIVE SCREWS - Apple Mac Mini A1347 Mid 2010 2011 2012 Apple part #922-9584 http://www.powerbookmedic.com/parts/922-https://www.ebay.com/itm/T8-TORX-HARD-DR

I suggest you buy this dual drive kit for your Mac mini, it has those pins you need and it comes with the tools needed too. Mac mini Dual Drive Kit Installing Mac Mini Late 2012 Dual Hard Drive Kit