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Will this PSU be enough?

post #1 of 20
Thread Starter 
http://www.newegg.com/Product/Produc...82E16817207012

Will this PSU be enough to run an HD5850 mild to no OC and a Phenom 2 X4 @ 4.0 in an ASrock Extreme3 870 1 sprintpoint F3 a DVD-RW drive bunch o blue LED case fans 4gb DDR3?
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post #2 of 20
Should be fine, don't think you'd even be cutting it close.
post #3 of 20
It will be fine. Probably use ~300-350w during normal gaming load.
Dunno
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Dunno
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post #4 of 20
Thread Starter 
Quote:
Originally Posted by Kasp1js View Post
It will be fine. Probably use ~300-350w during normal gaming load.
thats what i thought, but it only has 34A on its 12v rail and 34 * 12 = 368w total output for my entire computer so if i fold @ 100% i might go over, unless you think it will go higher than its rated.
Also is there a better one for the money?
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post #5 of 20
Folding, yes. You'd be stressing it pretty hard. However, it still should be okay until you have the money to upgrade to a better PSU.
post #6 of 20
Thread Starter 
Quote:
Originally Posted by E-Peen View Post
Folding, yes. You'd be stressing it pretty hard. However, it still should be okay until you have the money to upgrade to a better PSU.
wouldnt this one be better?
http://www.newegg.com/Product/Produc...82E16817152040
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post #7 of 20
Never really heard of Raidmax before. I personally wouldn't trust a $40 500w PSU in my rig for folding.
post #8 of 20
Thread Starter 
Quote:
Originally Posted by E-Peen View Post
Never really heard of Raidmax before. I personally wouldn't trust a $40 500w PSU in my rig for folding.
I have a raidmax case, and used to have a raidmax PSU and it was fine, i would rather pay 40$ for 40A then 65$ for 34A. But at least i know either will run my system fine.
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post #9 of 20
Quote:
Originally Posted by Smoblikat View Post
http://www.newegg.com/Product/Produc...82E16817207012

Will this PSU be enough to run an HD5850 mild to no OC and a Phenom 2 X4 @ 4.0 in an ASrock Extreme3 870 1 sprintpoint F3 a DVD-RW drive bunch o blue LED case fans 4gb DDR3?
no, it only produces about 360 watts 12v reliably, I'd not OC any part of the system with it.
(and that assumes its the best hardware on the market) The closer you get to the reliable performance limit of a given supply (think about 75% of "rated" maximum to be safe) the less predictable the power output becomes. If you run right up at the limit such things as air conditioners and sweepers can make the supplied power oscillate. If you're OCing a CPU oscillation is baaad.

This supply you listed is for older hardware that uses a lot of supply powered 3.3 and 5v. I can't think of anything manufactured today that even needs more than a few amps of 3.3 and 5 supplied from the PSU, most everything uses on-mb precision vreg running off 12v main.

http://www.newegg.com/Product/Produc...82E16817139019 40amp 12v (480watt)
very reliable company, $70 yes, but not having to replace the PSU is cheap
keep in mind this is advice, not saying it is a minimum necessity

Wanted to add something about "modular cables" saw tidbit in the review (someone whining).

Modular cables are for people who prefer clean over reliable. Each molex 3/32 peg is rated at a maximum of six amps, thus why our PCIe have three pins each. This assumes reliable sheath contact on each pin. (PCIe-8 only havs two more grounds, assuring the unit doesn't ground through the bus but it doesn't supply more than the 18amps the -6 supplies, total of 36amps or 432watts 12v )

So keep in mind that having twice the number of pin-and-sheath connections increases the chances of bad contact. Bit out of scale for the system discussed here but a good bit to know.
Edited by prjindigo - 4/2/11 at 1:40pm
post #10 of 20
Thread Starter 
Quote:
Originally Posted by prjindigo View Post
no
http://www.newegg.com/Product/Produc...82E16817152040
I like thisun, should i get it?
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CPUMotherboardGraphicsRAM
Phenom 2 X4 B55BE @ 3.7 ASUS M4A89GTD-PRO USB3 GTX 470 + GTX 275 SOC 4gb Crucial Ballistix T 1600 6-8-6-20-24 1T 
Hard DriveOptical DriveOSMonitor
2xWD640AAHLS + Hitachi 2TB 7200RPM + 2x150gb VRapt HP IDE + LG SATA Win 7 x64 ult 15" 1024x768 Dell (visually impaired) 
PowerCase
XFX XXX 650w (green fan) Antec 300 (Heavily Modded) 
  hide details  
Reply
Oppress This!
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CPUMotherboardGraphicsRAM
Phenom 2 X4 B55BE @ 3.7 ASUS M4A89GTD-PRO USB3 GTX 470 + GTX 275 SOC 4gb Crucial Ballistix T 1600 6-8-6-20-24 1T 
Hard DriveOptical DriveOSMonitor
2xWD640AAHLS + Hitachi 2TB 7200RPM + 2x150gb VRapt HP IDE + LG SATA Win 7 x64 ult 15" 1024x768 Dell (visually impaired) 
PowerCase
XFX XXX 650w (green fan) Antec 300 (Heavily Modded) 
  hide details  
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