OCZ 700W GameXStream and Enermax 620W Liberty PSUs

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Liberty Test Results

* Test Methodology:  To test the 620W Liberty PSU, we followed the same procedure as with the OCZ GameXStream.  We used a relatively high-end gaming PC configuration that includes an Athlon 64 X2 4600+ processor on a DFI LANParty NF4 SLI-DR motherboard with a pair of GeForce 7900 GTX cards in SLI. We also used 2GB of low latency Corsair DDR and two SATA hard drives. In an effort to stress the PSU, we looped 3DMark06 while running SiSoftware's SANDRA 2005 burn-in tests.

HotHardware Test System
AMD Athlon 64 X2 4600+ Powered

Processor -

Motherboard -


Video Card -

Memory -


Audio -

Hard Drives -

 

Hardware Used:
AMD Athlon 64 X2 4600+

DFI LANParty NF4 SLI-DR
nForce4 SLI chipset

2 x XFX 7900 GTX

2048MB Corsair XMS PC3200 RAM
CAS 2

Integrated on board

Seagate Barracuda 7200.10

750GB - 7,200RPM - SATA 3Gb/s

Western Digital WD5000KS
500GB - 7,200RPM - SATA 3Gb/s



 

We let the test system run idle for 30 minutes and then recorded the voltages. Then we stressed the PSU and recorded the voltages about 30 minutes into the stress testing. You can see the resulting voltages below.

Test Results
Liberty and clean power for all?


620W Enermax Liberty
Idle & Load Voltages

 

+12V +5V +3.3V

Idle

12.08

5.05

3.35

Load

12.11

5.08

3.36

As with the GameXStream PSU, we used the Liberty in the test system for over two weeks. During that time, we didn't see any stability problems.  We were quite pleased by the performance of the Liberty. The PSU posted very stable voltages. Additionally, the 120mm fan kept the unit relatively cool throughout testing.


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