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Took the quick and dirty psu calc, is this cutting it too close?

post #1 of 15
Thread Starter 
I'm considering adding another 5850 to my system, with the psu calc sticky thread, it recommends a 625w power supply for 2x 5850's and an i5 (including the overclocks), now i have a "recommended psu" (the gameXstream 2 600w) and the thread says pick a psu + or - 50w of recommendations...

bearing in mind id have to get molex to pci power things, is my 600w gonna cut it? it's getting on for a year old now, and it's probably cheaper to sell my 5850 and just get another single 6000 series than it is to buy another 5850 AND have to upgrade the PSU
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2500k @ 4.5/4ghz depending on weather and/or mood P67 SABERTOOTH B3 XFX HD5850 @ 820/1125 2x2gb g.skill ripjawsX 1600mhz 
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2500k @ 4.5/4ghz depending on weather and/or mood P67 SABERTOOTH B3 XFX HD5850 @ 820/1125 2x2gb g.skill ripjawsX 1600mhz 
Hard DriveMonitorKeyboardPower
64gb Corsair SSD, 1tb Samsung F4 28" Hanns.G 1920x1200 Microsoft SideWinder X4 600w OCZ gameXstream2 
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post #2 of 15
No don't think it's going to cut it. I don't list OCZ as a recommended PSU's as I've 2 blow up on me.
post #3 of 15
Quote:
Originally Posted by Roksonixx View Post
I'm considering adding another 5850 to my system, with the psu calc sticky thread, it recommends a 625w power supply for 2x 5850's and an i5 (including the overclocks), now i have a "recommended psu" (the gameXstream 2 600w) and the thread says pick a psu + or - 50w of recommendations...

bearing in mind id have to get molex to pci power things, is my 600w gonna cut it? it's getting on for a year old now, and it's probably cheaper to sell my 5850 and just get another single 6000 series than it is to buy another 5850 AND have to upgrade the PSU
I think your PSU will be fine. Not an expert, but AFAIK those are solid units. Also I don't think you'll manage to load it 100% even with the CF and heavy gaming on

EDIT: I've only had stealthXstream2, which are quite good.
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post #4 of 15
It can handle it. I'd sell that 5850 and get a 6000 Series single card though. Newer tech and better performance. And non of the hassle of multi gpu platforms (heat, drivers, games that don't support crossfire etc... ). If you can get a newer faster single card why not right?
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post #5 of 15
It should be ok.
post #6 of 15
I have ran two 5850's on my current 3 year old PSU. IIRC the draw is about 450W at the wall, so you'll be fine.
    
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post #7 of 15
God has spoken.

/thread

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CPUMotherboardGraphicsRAM
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2x Seagate 3Tb Samsung 850 EVO 120 Scythe Ninja 3 Rev.B Windows 10 Pro 
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post #8 of 15
Thread Starter 
Quote:
Originally Posted by CloudCR View Post
It can handle it. I'd sell that 5850 and get a 6000 Series single card though. Newer tech and better performance. And non of the hassle of multi gpu platforms (heat, drivers, games that don't support crossfire etc... ). If you can get a newer faster single card why not right?
because if i dont have to upgrade my psu, i can get another 5850 and almost double my performance, whereas if i wanted a 6000 series i'd be paying the same price after selling my 5850, and not getting close to it
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2500k @ 4.5/4ghz depending on weather and/or mood P67 SABERTOOTH B3 XFX HD5850 @ 820/1125 2x2gb g.skill ripjawsX 1600mhz 
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64gb Corsair SSD, 1tb Samsung F4 28" Hanns.G 1920x1200 Microsoft SideWinder X4 600w OCZ gameXstream2 
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Razer Sphex 
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My System
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CPUMotherboardGraphicsRAM
2500k @ 4.5/4ghz depending on weather and/or mood P67 SABERTOOTH B3 XFX HD5850 @ 820/1125 2x2gb g.skill ripjawsX 1600mhz 
Hard DriveMonitorKeyboardPower
64gb Corsair SSD, 1tb Samsung F4 28" Hanns.G 1920x1200 Microsoft SideWinder X4 600w OCZ gameXstream2 
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post #9 of 15
Quote:
Originally Posted by Roksonixx View Post
because if i dont have to upgrade my psu, i can get another 5850 and almost double my performance, whereas if i wanted a 6000 series i'd be paying the same price after selling my 5850, and not getting close to it
Well based on that go for it your psu can handle them
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2x64GB Kingston SSDV100 (RAID0) | Caviar Green 1TB LG GP10 external DVD-RW XSPC Rasa Block EK EN580GTX+ 
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Skyline
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Hard DriveOptical DriveCoolingCooling
2x64GB Kingston SSDV100 (RAID0) | Caviar Green 1TB LG GP10 external DVD-RW XSPC Rasa Block EK EN580GTX+ 
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post #10 of 15
5850's use ~188W each at 100% load. add 150 for your overclocked CPU and you're at 526, so I'd be saying upgrade to something 750w for headroom and future upgrades.
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