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[hardocp] BFG Announces BFG Power!

post #1 of 20
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BFG Technologies has just announced a new website dedicated to power supplies called BFG Power. The site allows you to preview different models, view specs, see recommendations and compare different models. Head on over and give it a try.
BFG Power
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post #2 of 20
Aren't there like, only 4 BFG PSUs on the market right now?
    
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post #3 of 20
Quote:
Originally Posted by xHassassin View Post
Aren't there like, only 4 BFG PSUs on the market right now?
More like 6 good PSU's.
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post #4 of 20
hmm mabye they should make a complete system : BFG PSU, BFG 8800GT and BFG 750i motherboard (Hopefully they will follow evga and make one).
post #5 of 20
Jonnyguru has had this link in his sig for a while I think. Ain't new to me atleast.
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post #6 of 20
Quote:
Originally Posted by Sonic View Post
Jonnyguru has had this link in his sig for a while I think. Ain't new to me atleast.
Ditto . At least he changed the color of the links in the FAQ. Blue on black isn't easy to read.
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post #7 of 20
Hmmm... Sleeve bearing fans on PSUs? PSU are almost always mounted with the fan parallel to the floor. Sleeve bearings are direction sensitive and make more noise/wear out faster if they're not perpendicular to the floor.
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post #8 of 20
big ****ing gun power supplies? LOL catchy
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post #9 of 20
Quote:
Originally Posted by DuckieHo View Post
Hmmm... Sleeve bearing fans on PSUs? PSU are almost always mounted with the fan parallel to the floor. Sleeve bearings are direction sensitive and make more noise/wear out faster if they're not perpendicular to the floor.
A conspiracy for built in obsolescence? The numbers I've seen for the average sleeve bearing fan put lifespan at ~50000 hours (5.7 years continuous) @ 40C. Ball bearing fans have ~50% longer lifespan at this temperature. I've seen many places say that horizontal positioning affects lifespan but no one ever gives a reason why. Is the design just flawed and there is more wear at different positions? Is it because the lubrication evaporates quicker? I also haven't seen any numbers showing just how much it affects lifespan.
Edited by shinji2k - 5/21/08 at 8:32pm
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post #10 of 20
Quote:
Originally Posted by DuckieHo View Post
Hmmm... Sleeve bearing fans on PSUs? PSU are almost always mounted with the fan parallel to the floor. Sleeve bearings are direction sensitive and make more noise/wear out faster if they're not perpendicular to the floor.

FYI: MOST PSU fans are actually sleeve. MOST PSU manufacturers don't tell you when they are, although they're more than happy to tell you when they're ball bearing. That's one of the main points of the site is to answer everyone's questions about BFG power supplies and power supplies in general and leave a lot of questions unanswered about other PSU brands on the market.

I too have heard on the Interwebs that the make more noise and wear out faster if they're not run pulling away from the floor, but I've yet to see any hard evidence. In fact, common sense would tell me that if the hub is pulled away from the spindle the wear would actually be less because you're reducing friction. Of course, if the fan is pointed up, with the hub pushing into the spindle, I can see how there would be additional wear, but I would also have to believe that the centrifical force of the spinning fan would relieve this stress considerably.

Experiment time! Grab the front wheel off of your bicycle, hold it by the axle and give it a spin. You immediately notice the weight of the wheel being pulled away from the hub and towards the rim. Suddenly the wheel is so light that you can hold it on the tip of your finger.

If there is an effect on lifespan, it has to be so minute that it couldn't even affect MTBF.

Speaking of MTBF: shinji2k's number are pretty dead on. 50K for sleeve and about 75K for ball. The component that's actually most likely to fail over an extended period of time in escalated temperatures... drum roll... capacitors! That said, fan life is almost never calculated into a power supplies total MTBF equation.

The sleeve bearing fans also tend to be quieter at lower RPM's than ball bearing fans. At higher RPM's, the ball is quieter.
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