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crwdns2944351:0crwdnd2944351:0iMac Intel 27" Retina 5K Display SATA Cable Replacementcrwdnd2944351:0crwdne2944351:0

crwdns2933797:0Dancrwdnd2933797:0crwdne2933797:0

crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Jeff Suovanen

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Introduction
Use this guide to replace the SATA cable on the back of the logic board in an iMac Intel 27" Retina 5K Display. Or to add it if your system only came with a blade SSD to support a second drive.
'''Before beginning any work on your iMac:''' Unplug the computer and press and hold the power button for ten seconds to discharge the power supply's capacitors.
'''Be very careful''' not to touch the capacitor leads or any exposed solder joints on the back of the power supply.