MSI MEG Ai1300P PCIE5 1300W 80 Plus Platinum Power Supply Review

Peter Donnell / 8 months ago

Transient Loads

These results measure the power supply from 0% load to 100% load on various rails to simulate a power spike from your system. Typically, we would like to see as small a spike as possible relative to the requested voltage. With modern GPUs being notorious for power spikes, this is becoming more relevant in modern PSU design.

Transients are very clean here, with the virtually instant transition for the 3.3v, a smooth ramp for the 5v, and while there was a tiny overshoot on the 12v, it was extremely small and quickly corrected out to the desired voltage, reflecting the range seen in the ripple and PFC we saw earlier.

0-100% 3V

0-100% +5VSB

0-100% 12V

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