Silverstone Nightjar 520 W Review

Name: Silverstone Nightjar 520 W
Brand: SilverStone

crmaris

on Jul 15th, 2014,

in Power Supplies.

Manufacturer: SilverStone

Performance Rating, Performance per Dollar, Noise & Efficiency Rating »

Ripple Measurements

You will see the ripple levels we measured on the NJ520's rails in the following table. The limits are, according to the ATX specification, 120 mV (+12V) and 50 mV (5V, 3.3V, and 5VSB).

Ripple Measurements - Silverstone NJ520
Test	12 V	5 V	3.3 V	5VSB	Pass/Fail
10% Load	12.0 mV	10.7 mV	9.3 mV	4.9 mV	Pass
20% Load	15.2 mV	10.9 mV	9.5 mV	5.1 mV	Pass
30% Load	19.9 mV	10.9 mV	9.2 mV	5.2 mV	Pass
40% Load	19.6 mV	10.8 mV	9.4 mV	5.4 mV	Pass
50% Load	21.5 mV	11.1 mV	9.5 mV	6.1 mV	Pass
60% Load	22.7 mV	11.5 mV	9.9 mV	6.1 mV	Pass
70% Load	23.3 mV	13.0 mV	10.7 mV	6.5 mV	Pass
80% Load	24.2 mV	12.2 mV	9.6 mV	7.1 mV	Pass
90% Load	26.3 mV	12.9 mV	14.9 mV	7.9 mV	Pass
100% Load	27.6 mV	12.8 mV	10.8 mV	9.0 mV	Pass
110% Load	29.2 mV	13.2 mV	11.1 mV	9.3 mV	Pass
Crossload 1	15.2 mV	12.6 mV	10.5 mV	19.2 mV	Pass
Crossload 2	27.6 mV	12.2 mV	10.2 mV	7.9 mV	Pass

Excellent ripple filtering on all rails, and we didn't expect anything less from the platform since it uses topnotch components and is based on a cutting-edge design.

Ripple at Full Load

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