The last computer I built required soldering and Digi-Key. As I found out after lots of trial and error, I got a bad molex-to-sata power adapter, and it took ki

The last computer I built required soldering and Digi-Key. As I found out after lots of trial and error, I got a bad molex-to-sata power adapter, and it took killing two hard drives before I narrowed it down to that cable. The SATA end was too narrow to get a multimeter in. I suspect the 12v and 5v lines were crossed. Long story short, a couple of resistors and diodes later my WD Blues were spinning up again, but it was a pain in the ass.