I bought this particular SSD to use as an external boot drive for my iMac i5 5K 27" 2017. The publisher of the Carbon Copy Cloner software recommended it for cloning an internal boot drive to this SSD. First I reformatted the SSD and then cloned my internal boot drive to it according to the instructions. I was very disappointed with the performance, it was very slow, especially on startup. The next day I went through all the steps again and I can say that it works quite fast using the computer. The computer still seems to take a little longer to boot than the internal drive but not too slow. In the end I think it's worth the money for the price. Also the seller was very responsive.
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