AeroCool 620W Zerodba Power Supply Review

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Power Specs

AeroCool Zerodba PSU

Model
620W Zerodba
AC Input
100-240Vac
Current
10/6A
Frequency
60/50Hz
DC Output
+3.3v
+5v
+12v1
+12v2
-12v
+5vsb
Max. Load
32A
36A
20A
18A
0.8A
2.5A
Max. Power 
620W

Here are the numbers that matter the most. Compared to the ratings I have seen for other PSUs in this range, I’d say this power supply offers one of the better Max Load ratings I’ve seen! With 30A on the +12v rails, this PSU will be able to run a SLi or Crossfire setup with some room to grow! Since high-end video cards are becoming the most power hungry device of the computer, having a PSU that will support the latest hardware with stability is very important.

Testing

The test system used for this review was made up by the listed components. We used a voltmeter to measure the 3.3, 5.0, and 12.0 (1 & 2) volt rails. For the idle reading, we had the system sitting on the desktop with no other programs running. To measure the load reading, we ran two instances of Folding (for team 38296) in order to bring our Hyper-Threaded processor to full load.

  • MSI Neo2-FIS2R
  • Intel 2.6C
  • NVIDIA 5900XT
  • Sony DVD DL Burner
  • 3 x Seagate 80GB SATA HDDs

Voltmeter Results

Tt 360W PSU

Tt 520W PSU

AeroCool 620W PSU

Idle 3.3V

3.43

3.37

3.41

Load 3.3V

3.42

3.37

3.40

Idle 5.0V

5.14

5.08

5.16

Load 5.0V

5.17

5.08

5.17

Idle 12.0V 1

12.07

12.11

12.24

Load 12.0V 1

11.91

12.05

12.22

Idle 12.0V 2

N/A

12.10

12.23

Load 12.0V 2

N/A

12.01

12.20

Here we see first hand the benefit of using an over-600W PSU with solid rails. The AeroCool 620W PSU showed very little variance between Idle and Load measurements with a Voltmeter. The greatest difference was on the 12V2 rail and it was only 0.03 volts! Small variances between idle and load readings shows signs of a very stable and solid PSU.

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