Antec Basiq VP550P 550 W Review

Name: Antec Basiq VP550P 550 W
Brand: Antec

crmaris

on Sep 29th, 2011,

in Power Supplies.

Manufacturer: Antec

Value & Conclusion »

Ripple Measurements

In the following table you will find the ripple levels that we measured on the main rails of VP550P. According to ATX specification the limits are 120 mV (+12V) and 50 mV (5V, 3.3V and 5VSB).

Ripple Measurements Antec VP550P
Test	12 V	5 V	3.3 V	5VSB	Pass/Fail
20% Load	14.5 mV	8.6 mV	8.7 mV	8.6 mV	Pass
40% Load	12.2 mV	8.1 mV	10.3 mV	5.6 mV	Pass
50% Load	10.2 mV	8.2 mV	10.1 mV	7.1 mV	Pass
60% Load	20.0 mV	14.2 mV	14.3 mV	9.9 mV	Pass
80% Load	15.5 mV	10.7 mV	14.3 mV	9.7 mV	Pass
100% Load	21.2 mV	11.1 mV	14.9 mV	11.7 mV	Pass
Crossload 1	11.7 mV	19.1 mV	16.1 mV	9.5 mV	Pass
Crossload 2	25.3 mV	9.5 mV	10.4 mV	8.9 mV	Pass

We didn't expect anything else from a Delta platform in this area. Ripple/noise suppression is outstanding, especially if we take into account that we have a budget unit for testing. Delta design and high ripple definitely is something that doesn't come along.

Ripple at Full Load

In the following oscilloscope screenshots you can see the AC ripple and noise that the main rails registered (+12V, 5V, 3.3V and 5VSB). The bigger the fluctuations on the oscilloscope's screen the bigger the ripple/noise. For all measurements we set 0.01 V/Div (each vertical division/box equals to 0.01V) as standard.