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Corsair VX550w

post #1 of 8
Thread Starter 
My friend has a VX550 watt by corsair and he just got GTX 460 SLI and I'm worried his power supply can't handle it (pheadrus psu calc says 650w), I told him my concerns and he's all like

'this psu can take up to 700w under stress'

That's not true is it? It pulls 700ish from the wall, but it doesn't actually output that to the components, does it?
post #2 of 8
http://www.guru3d.com/article/geforc...-sli-review/15
Quote:
So yeah with 2-way SLI we noticed our power consumption for the GTX 460 768MB peaked to roughly 435 Watts.
He'll be fine. I've used my VX550w on several systems now and it is a beast of a PSU
 
Wild eyes (2015)
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Wild eyes (2015)
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post #3 of 8
It's a little low for two GTX 460's, but it'll work if he's just gaming. I would tell him not run to run Prime95 + LinX or any CPU+GPU distributed computing projects.
Rig
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Rig
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post #4 of 8
Thread Starter 
Quote:
Originally Posted by MrLinky View Post
http://www.guru3d.com/article/geforc...-sli-review/15


He'll be fine. I've used my VX550w on several systems now and it is a beast of a PSU
Factor in all the rest and he's really pushing it.
post #5 of 8
What "rest" is that? You haven't posted your friend's setup. As far as a regular gaming computer (i.e. 1-2 hard drives, normal cooling) is concerned, the VX550 can handle a pair of GTX 460 fine. Its +12V is rated for 492W and a pair of GTX 460s use less than 250W under a normal gaming load. That leaves plenty of power for the rest of the system assuming there's nothing extraordinary about said system.
post #6 of 8
Quote:
Originally Posted by Analog View Post
Factor in all the rest and he's really pushing it.
What is "the rest"? We'd like to help, but we don't know if he has a single-core Atom or dual Xeon X5680s. Like Shub said, that PSU has remarkable wattage and amperage on the +12v rail; i've seen 700w PSUs that have almost the same figures.
 
Wild eyes (2015)
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Samsung 950 PRO M.2 256GB SSD Noctua NH-U9S Windows 10 Home Retail Acer XB270HU 
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Corsair SF600 NCase M1 
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PowerCase
Seasonic SS-760XP2 Corsair Air 540 White 
CPUMotherboardGraphicsRAM
AMD FX-8350 5GHz at 1.524v ASUS Crosshair V Formula-Z Sapphire R9 290X with EK water block 2x4GB G.Skill Trident X 2500MHz 9-11-11 1.68v  
Hard DriveCoolingOSMonitor
Samsung 850 Pro 256GB + 2x Seagate 3TB HDDs Koolance CPU-380A water block Windows 7 64-bit Home Premium BenQ XL2720Z 
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Seasonic X 650 Gold Lian Li PC-T60B test bench 
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Wild eyes (2015)
(10 items)
 
 
CPUMotherboardGraphicsRAM
AMD Ryzen 7 1700 3.8GHz at 1.232v ASRock Fatal1ty X370 Gaming-ITX/ac MSI GTX 1080Ti FE 1750MHz at 0.8v G.SKILL TridentZ 2x8GB 3466MHz 
Hard DriveCoolingOSMonitor
Samsung 950 PRO M.2 256GB SSD Noctua NH-U9S Windows 10 Home Retail Acer XB270HU 
PowerCase
Corsair SF600 NCase M1 
CPUMotherboardGraphicsRAM
i7 5960X 4.6GHz at 1.2V  Asus X99 Deluxe Evga 980 Ti SC+ Corsair Dominator Platinum 16GB at 2666 MHz 16-... 
Hard DriveCoolingOSMonitor
Samsung 950 Pro 256GB EK Supremacy EVO, EK Titan X Full Cover, EK X99... Windows 10 Home retail Acer Predator XB270HU 
PowerCase
Seasonic SS-760XP2 Corsair Air 540 White 
CPUMotherboardGraphicsRAM
AMD FX-8350 5GHz at 1.524v ASUS Crosshair V Formula-Z Sapphire R9 290X with EK water block 2x4GB G.Skill Trident X 2500MHz 9-11-11 1.68v  
Hard DriveCoolingOSMonitor
Samsung 850 Pro 256GB + 2x Seagate 3TB HDDs Koolance CPU-380A water block Windows 7 64-bit Home Premium BenQ XL2720Z 
PowerCase
Seasonic X 650 Gold Lian Li PC-T60B test bench 
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post #7 of 8
I was wondering the same,in would like to run sli 460's when upgrading cpu.Can this vx550 handle that?
Metsys
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Metsys
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post #8 of 8
It will run fine, but your friend's mentality of "this is good up to a 700W load" is not right. Sure, it can maybe peak there, but for how long, and at what sort of voltage/noise/such levels? It's labeled as 550W continuous, and is good at that, so treat it as such.
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