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Old 02-25-2010, 09:26 AM   #1
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Default OCZ ModXStream Pro 600 W Power Supply Review

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Title: OCZ ModXStream Pro 600 W Power Supply Review
URL: http://www.hardwaresecrets.com/article/936

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"ModXStream Pro is a power supply series from OCZ featuring a modular cabling system and a very attractive price tag, at this moment featuring 500 W, 600 W and 700 W models, with the manufacturer promi..."

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Old 02-26-2010, 12:39 AM   #2
Olle P
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Seems to be some tight protection levels...

In test 5 you pull more than the rated maximum level on most rails:
+12V, 42A rated max total, 43A drawn.
+5Vsb, 2.5A rated, 3.0A drawn.
-12V, 0.3A rated, 0.5A drawn.
Furthermore it's unclear how much is actually drawn from 12V1 since that rail is used both by 12VA and 12VB. (Why not keep the two rails separated during the tests?)
Increasing the load on the 5V and 3.3v rails while reducing it slightly on the others could perhaps provide a more stable run, without sudden shut downs...

While the distribution of cables on 12V1 and 12V2 is fine, I think it would be nice to have a bit more load flexibility between the rails, allowing 30A or more on 12V2 where a power hungry graphics card might otherwise cause problems.

"[Efficiency levels] ... almost granting it 80 Plus Bronze certification."
Given the temperatures used in your testing I wouldn't be surprised to find it actually (sur-)pass the required Bronze levels at 23 degrees room temperature.

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Old 03-04-2011, 01:26 PM   #3
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All from what I can see is OCZ cutting cost at this 600W unit. Automatic shut down during full load test is the best evidence. Moreover, though this unit is based on the same design as ModXStream Pro 500W, the electrolytic capacitors used in this power supply (from the review) is a different brand. They are made by Teapo. Teapo is always making bad caps. I wouldn't say Teapo never make good caps. But I wouldn't trust the reliability of such a unit widely using Teapo capacitors very well......
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