I used this on a 2010 Imac 21.5 inch. I replaced the internal drive entirely with an SSD rather than installing the SSD alongside another drive, so I cannot comment on the connectors provided and their usefulness for installing alongside an existing HDD. I used a SIIG 3.5" to dual 2.5" drive bay for SSD. All tools provided are of high quality and work great except for the suction cups which were a little flimsy. The glass protecting the 2010 Imac is magnetized fairly well, so the suction cups don't have much traction. But if you open it a little, that's no problem. .This kit also goes with almost every other PC upgrade, and the case keeps it nice and organized.
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