1st Player NGDP 750W PSU Review

Transient Response

20% Load – 20ms

Voltage Before After Change Pass/Fail
12V 11.906V 11.684V 1.86% Pass
5V 5.052V 4.903V 2.94% Pass
3.3V 3.318V 3.174V 4.33% Pass
5VSB 5.061V 5.006V 1.08% Pass

50% Load -20ms

Voltage Before After Change Pass/Fail
12V 11.891V 11.760V 1.10% Pass
5V 5.043V 4.899V 2.86% Pass
3.3V 3.307V 3.158V 4.51% Pass
5VSB 5.008V 4.963V 0.90% Pass

The transient response needs improvement on all rails, especially at 3.3V, which drops below 3.2V at both tests.

Transient Response ATX v3.1 Tests

The PSU passes all ATX v3.1 transient response tests.

I would like to see a higher voltage level on the 12V rail in the 200% transient response tests.

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