Do I need to format my new SSD before I install Mac OS X into it? - Quora
Found issue for flashing ? iMac (No hard drive was installed), but I get the same issue after putting in a SSD. What do I do? Recovery mode won't boot. : r/mac
How to add a fast new SSD to your old Mac or MacBook for only $150 - 9to5Mac
Six Lessons Learned from Dealing with an iMac's Dead SSD - TidBITS