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Date: November 29th, 2005
Article by: Matt Mantle (Hardware Reviewer)
Edited by: Nathan Glentworth (Owner / Head Editor)
Product was submitted by: Enermax
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PRODUCT COMPOSITION & PICTORIAL



Enermax uses a nice touch with the leads that are permanently attached. A simple snap and the 24 pin lead changes to a 20 pin lead and back again.



Same with the 4/8 pin 12V lead, a simple snap and its out or back. (I just made that up! Makes a good slogan though...)



The rear side of the Enermax Liberty 400W PSU is a honeycomb mesh, and very, very simple. Just a power plug and a switch, no fancy knobs, lights, buttons, whistles, nothing! I like the simple design - makes life easier when you don't have to worry if you cranked a voltage rail by mistake or whether or not its on the right input voltage setting or what. The honeycomb mesh looks good and will aid in air flow too, keeping this PSU cool.

 

 

 

 

 

 

 

 

INSTALLATION & TESTING



The Liberty 400W is much like any other PSU - figure out which way you'd like it to go and and just screw it on. The only complaint I have here was that I'd have like the black gloss finish on the window side of my case, but unfortunately with only a mid-size tower and the PSU running flush against the top of the case, I couldn't install it with the fan on top, but had to flip it. Not a big deal, though it would have been a nice touch. As you can see, those extra SATA connectors on the line I was using still make a bit of a nest in the top, but at least its out of the way, and definitely better then the rat's nest my last PSU made.


Alright, so it comes down to me, and it comes down to the PSU. Time to make this thing cringe (if I can).


Here's the PC configuration:


Intel P4 2.8C @ 3.04 GHz
AOpen AX4SG Max II
GeIL 1G PC-4000 (512 X 2)
Seagate 120G 7200.7 HDD
Samsung CD-RW/DVD-RW Combo Drive
LiteOn DVD-ROM
ATI Radeon 9600 Pro
Creative Audigy 2


Also attached to this were 2x120mm fans and 4x80mm fans.


After hooking all this up, various stress tests were run, including Prime95, Sandra Burn-In, PCMark04 (and, admittedly, a few attempts to play Doom 3 without wetting myself). Tests were run over a 2 day period for 30 minutes apiece and highest and lowest voltages were recorded.


The results:


A good stable PSU is the foundation of a good computer, and this was one of them. While the 12V rail was slightly low, it was solid enough, and close enough to 12V that I didn't really need to worry, especially with 2 12V rails to rely upon. The 5V rail barely moved, and where I thought that was solid, the 3.3V rail didn't budge AT ALL!

Rails - Low/High readings


+12V - 11.92 - 11.98
+5V - 4.99 - 5.01
+3.3V - 3.31 stable


As a final note, the 120mm fan in the PSU works like a charm - its the quietest component in my computer, and when idle runs at about 950RPM. The most I've seen it up to while under full load was a mere 1100RPM or so, and still whisper quiet!

 

 


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