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Silent PSU and wattage question - Page 3

post #21 of 23
Quote:
Originally Posted by phill1978 View Post

Thanks for the info Abula. Also Shilka the be quiet is one i have been looking at for a while, i think having some air flow even the most minor of drafts is sensible near power electronics where natural convection can be blocked, in my case which it might? the build is for a silverstone FT03 and the psu placement is unusual and the top and right sides are covered.

The PSU does need air but it does not massive amounts of air to work
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post #22 of 23
Fact of the matter is this; a *quality* 450w PSU is enough to run a gaming rig these days with a single video card (even a 7970 as you mentioned).
If you don't plan on a multi-card setup, but still want some head room, 500-550w will do you fine, you just need to get something built well.

List out your full rig specs (or planned rig specs), give Phaedrus' PSU Calc a whirl (it's the only one I know that's accurate) and head over to the recommended PSUs list smile.gif
Edited by candy_van - 5/20/13 at 4:40pm
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post #23 of 23
Quote:
Originally Posted by phill1978 View Post

Thanks for the info Abula. Also Shilka the be quiet is one i have been looking at for a while, i think having some air flow even the most minor of drafts is sensible near power electronics where natural convection can be blocked, in my case which it might? the build is for a silverstone FT03 and the psu placement is unusual and the top and right sides are covered.
I wouldnt go for Stryker 500 for the FT03, both seasonic X passive and kingwin passive ask for the PSU to be placed with the hole to the top for it to get hot air out, in the FT03 is closed, and its not recommend to place the PSU backward either, the sides of the PSU are semi open and in this case it will be close by the case....so i wouldn't go fan less PSU for the FT03.

I would probably just go for the Kingwin LZP 550, it should remain passive most of the time until you reach 65C, then it should start the fan, still very quiet and then turn off when it reaches around 45C. But be warned that there are very few, but still some poeple can hear some whining. Be sure to check if it fits on lenght, some of this kingwins are a little large. Ill leave you some reviews in case you want to read more about it,

SPCR Kingwin Lazer Platinum 550W Power Supply
JonnyGuru Reviews - Kingwin Lazer Platinum 550W
[H]ardOCP Kingwin LZP-550 550W Power Supply Review

Just a final comment the bigger brothers of the Kingwin LPZ series (650/750/850/1000) have a switch on the back that can switch fan modes that its not present i believe on the 550,
Quote:
The unit has a switch on its rear for you to select the mode in which you want the fan to work.
Normal mode = the fan will increase its speed with temperature
ECO mode = the fan will be left turned off until the power supply internal temperature reaches 65C
I was just mentioning this as you want sub 600W psu, i believe the LZP-550 will always be in ECO mode, while if you go with LZP-650 you will have the switch that might be handy with the disposition of your FT03 and no other air circulation.
Edited by Abula - 5/20/13 at 8:21pm
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