I have a "Quad Core" 3.2 (2010/Nehalem) Mid-2010 5,1 Mac Pro, that I want to upgrade with an SSD. My 4 main drive bays are all in use, so I would like to use the optical bay for the upgrade. After doing some research, it seems like the Samsung 840 EVO (500GB) is a solid choice. Unfortunately, there are a few things I am confused about, since there seems to be contradicting information out there: 1) Will I be needing an adapter to attach this SSD? I read that I can let it hang loose in the drive bay, but will I need an adapter for the cable? 2) Will it be bootable in the optical drive bay? I plan to use it as my main system and boot-drive. 3) When attached in the optical drive bay, it won't support TRIM. Some people seem to say, that that is a problem, while others say it is not needed anymore anyway. What's the deal? 4) Anything else, I should look out for? I would greatly appreciate any input!