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OCZ 420watt "ModStream" PSU

Page 3 Performance

08/26/05

Performance:

     Performance of this product will be looked at two ways. One the over all power usage dealing with fluctuations when under idle and load conditions. The second part is temperature and noise level. OCZ has proclaimed to be one the quietest PSU units made and we will see if this is true.

     After running this unit for two weeks the first thing we noticed about the noise level is that OCZ pretty much is one of the quieter units available. We have over 15 different PSU units and there were only 3 that feel anywhere near the sound level the Modstream does and two of them are fan less. The problem with the fan less units is they do run a bit hotter making the ModStream a very good solution for noise and keeping it cool. The other unit competing with OCZ is a MGE product using the 120,mm fan as well. The low RPM with large air movement helps make for a silent running PSU. More then once I have heard PSU’s making enormous amounts of noise and OCZ has done a fin job making this quite and cool..

   The second part of performance is based on the stability a unit provides this is measured using voltage spikes when put under a series of load and idle test scenarios. Bellow you will see exactly how well OCZ does when giving power to your PC. This is very important to know when picking out a PSU because if you do not have stable power there is a larger chance that the supply will cause damage to your system. I have said this before Wattage is never as important as a solid non fluctuating power source keep it stable and consistent.....

Reading Low Voltage High Voltage
+12 Volt 12.10V 12.20V
Vcore 1.5 V 1.40V 1.45V
+3.3 Volts 3.40V 3.40V
+5 Volts 5.20V 5.20V
nForce4 V 1.60V 1.60V
nForce4 SB 1.50V 1.50V
CPUVDDA 2.60V 2.60V
DDRVDD 2.65V 2.65V

     As you can see OCZ does a fine job keeping our PC running at a stable rate with very little power spikes under multiple situations. One of the most amazing parts of our results was the minute voltage fluctuation noted. The ModStream had a maximum movement of any voltage only in the .10 Volts or a 10th of a volt and that was only in the 5 volt and 12  volt. The vcore had a .05 volt variation during tests... You will also note that all the voltages are pretty much in the ideal range making this by far one of the best performing units we have seen to date... It is almost impossible to have a unit not change at all but the ModStream will perform superior to most in the same class.  Well worth the extra money spent on this unit over some low end PSU that might cause hardware failures adding up to more money wasted in the future due to drastic voltage spikes...

    

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Company Info

 

 

OCZ Contact Info
California Sales Office
860 E. Arques Ave.,
Sunnyvale, CA 94085 USA
(408) 733-8400 Phone
(408) 733-5200 Fax
 
Sales Team
(408) 733-8400
ca@ocztechnology.com

Canada Sales Office
60 Centurian Drive, 
Unit #106, Markham, 
Ontario, L3R 9R2
(905) 479-7976 
    
UK Sales Office
Talbot Woods, Bournemout
UK BH3 7BY
Sales Team
+44 (0)208 892 54 54
uksales@ocztechnology.com 

Brazil Sales/Marketing
Brazil - São Paulo - SP
CEP: 04901-000
Ricardo Palumbo
55-11-5897-3229 Phone
55-11-9602-6530 Mobile phone
oczbrazil@ocztechnology.com

Technical Support
Most questions can be 
answered in our support 
area here, however you 
can contact us at:
(408) 733-7600 Local
(800) 459-1816 Toll Free
support@ocztechnology.com
     
Reseller Programs
For information about our 
various programs for our 
resellers please select 
from the following:
   
Marketing Department
 
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