We understand your concern regarding that if the Intel® SSD DC S4500 Series can be power up with +5V only.
We would like to inform you that the SSD can be powe up with 5V or 5V+12V SATA Supply Rail*. If both 12V and 5V power supplies are present, defaults to 5V+ 12V power supplies. Does not support 12 volt only.
Please let us know if there is something else we can assist you with.