Question about Kolink modular connection cable for Continuum power supplies 4x SATA

I don't think it makes any difference. The voltage (volts) is standardised for SATA. For the maximum current (amperes), there could be differences between the cable manufacturers. But the connected load(s) define how much current flows. I would install it without hesitation if the connection to the power supply fits. This will probably be standardised in the meantime for reasonably up-to-date power supplies.