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what power supply for 3x gtx 480s? - Page 2

post #11 of 21
Thread Starter 
Your saying you run only a single card on that 580 psu right? Just to clarify .


And yeah Im going for the antec. Im just a little tentative if its enough juice! (but deffinetly alot cheaper than those 1500w beasts).
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post #12 of 21
520W PSU(Antec) powering a regular gaming PC with a single GTX 480 overclocked as much as possible.
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post #13 of 21
Thread Starter 
Quote:
Originally Posted by Unoriginal Sin View Post

It's not a problem... the HCP 1200 is a very good suggestion, your current PSU is a very old one and designed with different setups and cards in mind(and not 300W+ Fermis)... I already offered two other suggestions on your initial thread... and also, don't ignore the Molex connector on the MoBo(the one near the first PCIe slot), with this kind or setup(heavy load on the PCIe slots and subsequently the ATX 20+4pin connector), you want to deliver some power to the PCIe slots through that Molex connector as well.

Yes thank you. Im ordering a new psu within the next hour. Just doing final checks with you guys first.
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Hard DriveHard DriveOptical DriveCooling
2x 300 gig velociraptor in Raid 0 for strorage,  120 gig corsair SSD boot drive dvd r/rw 480 mm bix radiator dedicated to video cards, 1... 
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windows 7 x64 3x dell 2408wfp check Toughpower 1200watt 
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2x 300 gig velociraptor in Raid 0 for strorage,  120 gig corsair SSD boot drive dvd r/rw 480 mm bix radiator dedicated to video cards, 1... 
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2x 300 gig velociraptor in Raid 0 for strorage,  120 gig corsair SSD boot drive dvd r/rw 480 mm bix radiator dedicated to video cards, 1... 
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Hard DriveHard DriveOptical DriveCooling
2x 300 gig velociraptor in Raid 0 for strorage,  120 gig corsair SSD boot drive dvd r/rw 480 mm bix radiator dedicated to video cards, 1... 
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windows 7 x64 3x dell 2408wfp check Toughpower 1200watt 
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I7 2600k Sandy Bridge@4200 mhz , 1.24 v stable P67 FTW 3x EVGA gtx 480 hydrocooled  ddr3 2133 gskill ripjaws. 
Hard DriveHard DriveOptical DriveCooling
2x 300 gig velociraptor in Raid 0 for strorage,  120 gig corsair SSD boot drive dvd r/rw 480 mm bix radiator dedicated to video cards, 1... 
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post #14 of 21
Thread Starter 
Quote:
Originally Posted by Subcutaneous View Post

520W PSU(Antec) powering a regular gaming PC with a single GTX 480 overclocked as much as possible.


my cards (waterblocked) are factory at 750 mhz. Whats yours at now?
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I7 2600k Sandy Bridge@4200 mhz , 1.24 v stable P67 FTW 3x EVGA gtx 480 hydrocooled  ddr3 2133 gskill ripjaws. 
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2x 300 gig velociraptor in Raid 0 for strorage,  120 gig corsair SSD boot drive dvd r/rw 480 mm bix radiator dedicated to video cards, 1... 
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windows 7 x64 3x dell 2408wfp check Toughpower 1200watt 
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I7 2600k Sandy Bridge@4200 mhz , 1.24 v stable P67 FTW 3x EVGA gtx 480 hydrocooled  ddr3 2133 gskill ripjaws. 
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2x 300 gig velociraptor in Raid 0 for strorage,  120 gig corsair SSD boot drive dvd r/rw 480 mm bix radiator dedicated to video cards, 1... 
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windows 7 x64 3x dell 2408wfp check Toughpower 1200watt 
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I7 2600k Sandy Bridge@4200 mhz , 1.24 v stable P67 FTW 3x EVGA gtx 480 hydrocooled  ddr3 2133 gskill ripjaws. 
Hard DriveHard DriveOptical DriveCooling
2x 300 gig velociraptor in Raid 0 for strorage,  120 gig corsair SSD boot drive dvd r/rw 480 mm bix radiator dedicated to video cards, 1... 
OSMonitorKeyboardPower
windows 7 x64 3x dell 2408wfp check Toughpower 1200watt 
CaseMouseMouse PadAudio
Lian-Li pc-p80 check check Bose sound system 
Audio
Bose sound system 
CPUMotherboardGraphicsRAM
I7 2600k Sandy Bridge@4200 mhz , 1.24 v stable P67 FTW 3x EVGA gtx 480 hydrocooled  ddr3 2133 gskill ripjaws. 
Hard DriveHard DriveOptical DriveCooling
2x 300 gig velociraptor in Raid 0 for strorage,  120 gig corsair SSD boot drive dvd r/rw 480 mm bix radiator dedicated to video cards, 1... 
OSMonitorKeyboardPower
windows 7 x64 3x dell 2408wfp check Toughpower 1200watt 
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Lian-Li pc-p80 check check Bose sound system 
Audio
Bose sound system 
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I7 2600k Sandy Bridge@4200 mhz , 1.24 v stable P67 FTW 3x EVGA gtx 480 hydrocooled  ddr3 2133 gskill ripjaws. 
Hard DriveHard DriveOptical DriveCooling
2x 300 gig velociraptor in Raid 0 for strorage,  120 gig corsair SSD boot drive dvd r/rw 480 mm bix radiator dedicated to video cards, 1... 
OSMonitorKeyboardPower
windows 7 x64 3x dell 2408wfp check Toughpower 1200watt 
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post #15 of 21
That is power at the wall, AC draw, not actual load.. power supplies are rated at output and not input.. which means you need to factor in efficiency to estimate the actual load...
post #16 of 21
According to phaedrus' psu calculator, your system with a 2600k overclocked, 2x gtx 480, another gtx 480 as a physx card, 2 sticks of ram, 2 hard drives, 1 SSD, 1 optical drive it says you need 850W PSU.

Recommended power supplies:
Antec CP850
Antec high current gamer 900W
Antec high current pro 850W
Bequiet dark power pro P8 900W
Bequiet dark power pro P9 850W
Corsair AX850
Corsair HX850
Corsair TX850 v2
Enermax Modu87+ 800w
Enermax Modu87+ 900W
Seasonic X850

Amongst loads of other power supplies. Obviously add say 50W if you have quite alot of case fans etc etc. Also if your overclocking and overvolting both cards, the power draw goes up to 950 watts.
post #17 of 21
Quote:
Originally Posted by $ilent View Post

According to phaedrus' psu calculator, your system with a 2600k overclocked, 2x gtx 480, another gtx 480 as a physx card, 2 sticks of ram, 2 hard drives, 1 SSD, 1 optical drive it says you need 850W PSU.
Recommended power supplies:
Antec CP850
Antec high current gamer 900W
Antec high current pro 850W
Bequiet dark power pro P8 900W
Bequiet dark power pro P9 850W
Corsair AX850
Corsair HX850
Corsair TX850 v2
Enermax Modu87+ 800w
Enermax Modu87+ 900W
Seasonic X850
Amongst loads of other power supplies. Obviously add say 50W if you have quite alot of case fans etc etc. Also if your overclocking and overvolting both cards, the power draw goes up to 950 watts.

He never mentioned the third card as being a designated PhysX one, that could make a ~250W difference on an overclocked 480 wink.gif
post #18 of 21
Mine is clocked at 915 Mhz core with a waterblock, at 1.12V and loads at around 54C max in games.

Also you're PSU has 4 different 12V rails, and you have four main sources of 12V draw(CPU/GPU1/2/3) It might be worth your time to check and be sure that the cards are all drawing power from a different rail if you can manage to figure that out in your wiring scheme. Then one rail for the CPU as well, because I've heard with some power supplies it is possible to overload a single rail and prevent the system from working right. I don't know how it's all wired internally and maybe this is not right, but if that is possible you may have it going on right now.

Edit: Also if it's that close to having enough power (only crashing part way through the benchmark) simply running your cards at stock speed and maybe under volting them would likely yield a stable run through the benchmark. Also if you are that close on power running something like Furmark would tell you for sure because it will draw more power than anything else really.
Edited by Subcutaneous - 4/16/12 at 9:35am
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intel g850 MSI P67s c43 EVGA Geforce GTX 480 G skill 
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post #19 of 21
Thread Starter 
OK thanks. I really gotta get this taken care of. I ordered the 1200w antec. Thanks for the suggestions.


It will be here tomorrow and I will be sure to let you guys know what happens.
Edited by bloomstomb - 4/16/12 at 9:36am
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2x 300 gig velociraptor in Raid 0 for strorage,  120 gig corsair SSD boot drive dvd r/rw 480 mm bix radiator dedicated to video cards, 1... 
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CPUMotherboardGraphicsRAM
I7 2600k Sandy Bridge@4200 mhz , 1.24 v stable P67 FTW 3x EVGA gtx 480 hydrocooled  ddr3 2133 gskill ripjaws. 
Hard DriveHard DriveOptical DriveCooling
2x 300 gig velociraptor in Raid 0 for strorage,  120 gig corsair SSD boot drive dvd r/rw 480 mm bix radiator dedicated to video cards, 1... 
OSMonitorKeyboardPower
windows 7 x64 3x dell 2408wfp check Toughpower 1200watt 
CaseMouseMouse PadAudio
Lian-Li pc-p80 check check Bose sound system 
Audio
Bose sound system 
CPUMotherboardGraphicsRAM
I7 2600k Sandy Bridge@4200 mhz , 1.24 v stable P67 FTW 3x EVGA gtx 480 hydrocooled  ddr3 2133 gskill ripjaws. 
Hard DriveHard DriveOptical DriveCooling
2x 300 gig velociraptor in Raid 0 for strorage,  120 gig corsair SSD boot drive dvd r/rw 480 mm bix radiator dedicated to video cards, 1... 
OSMonitorKeyboardPower
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Hard DriveHard DriveOptical DriveCooling
2x 300 gig velociraptor in Raid 0 for strorage,  120 gig corsair SSD boot drive dvd r/rw 480 mm bix radiator dedicated to video cards, 1... 
OSMonitorKeyboardPower
windows 7 x64 3x dell 2408wfp check Toughpower 1200watt 
CaseMouseMouse PadAudio
Lian-Li pc-p80 check check Bose sound system 
Audio
Bose sound system 
CPUMotherboardGraphicsRAM
I7 2600k Sandy Bridge@4200 mhz , 1.24 v stable P67 FTW 3x EVGA gtx 480 hydrocooled  ddr3 2133 gskill ripjaws. 
Hard DriveHard DriveOptical DriveCooling
2x 300 gig velociraptor in Raid 0 for strorage,  120 gig corsair SSD boot drive dvd r/rw 480 mm bix radiator dedicated to video cards, 1... 
OSMonitorKeyboardPower
windows 7 x64 3x dell 2408wfp check Toughpower 1200watt 
CaseMouseMouse PadAudio
Lian-Li pc-p80 check check Bose sound system 
Audio
Bose sound system 
CPUMotherboardGraphicsRAM
I7 2600k Sandy Bridge@4200 mhz , 1.24 v stable P67 FTW 3x EVGA gtx 480 hydrocooled  ddr3 2133 gskill ripjaws. 
Hard DriveHard DriveOptical DriveCooling
2x 300 gig velociraptor in Raid 0 for strorage,  120 gig corsair SSD boot drive dvd r/rw 480 mm bix radiator dedicated to video cards, 1... 
OSMonitorKeyboardPower
windows 7 x64 3x dell 2408wfp check Toughpower 1200watt 
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post #20 of 21
Thread Starter 
Quote:
Originally Posted by Unoriginal Sin View Post

He never mentioned the third card as being a designated PhysX one, that could make a ~250W difference on an overclocked 480 wink.gif

No I disabled that one, with the exp front panel. But I plan on using 3 at some point for surround gaming, if 2 isnt enough.

Its very easy to disable these cards with the ecp front panel.
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CPUMotherboardGraphicsRAM
I7 2600k Sandy Bridge@4200 mhz , 1.24 v stable P67 FTW 3x EVGA gtx 480 hydrocooled  ddr3 2133 gskill ripjaws. 
Hard DriveHard DriveOptical DriveCooling
2x 300 gig velociraptor in Raid 0 for strorage,  120 gig corsair SSD boot drive dvd r/rw 480 mm bix radiator dedicated to video cards, 1... 
OSMonitorKeyboardPower
windows 7 x64 3x dell 2408wfp check Toughpower 1200watt 
CaseMouseMouse PadAudio
Lian-Li pc-p80 check check Bose sound system 
Audio
Bose sound system 
CPUMotherboardGraphicsRAM
I7 2600k Sandy Bridge@4200 mhz , 1.24 v stable P67 FTW 3x EVGA gtx 480 hydrocooled  ddr3 2133 gskill ripjaws. 
Hard DriveHard DriveOptical DriveCooling
2x 300 gig velociraptor in Raid 0 for strorage,  120 gig corsair SSD boot drive dvd r/rw 480 mm bix radiator dedicated to video cards, 1... 
OSMonitorKeyboardPower
windows 7 x64 3x dell 2408wfp check Toughpower 1200watt 
CaseMouseMouse PadAudio
Lian-Li pc-p80 check check Bose sound system 
Audio
Bose sound system 
CPUMotherboardGraphicsRAM
I7 2600k Sandy Bridge@4200 mhz , 1.24 v stable P67 FTW 3x EVGA gtx 480 hydrocooled  ddr3 2133 gskill ripjaws. 
Hard DriveHard DriveOptical DriveCooling
2x 300 gig velociraptor in Raid 0 for strorage,  120 gig corsair SSD boot drive dvd r/rw 480 mm bix radiator dedicated to video cards, 1... 
OSMonitorKeyboardPower
windows 7 x64 3x dell 2408wfp check Toughpower 1200watt 
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Lian-Li pc-p80 check check Bose sound system 
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Bose sound system 
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CPUMotherboardGraphicsRAM
I7 2600k Sandy Bridge@4200 mhz , 1.24 v stable P67 FTW 3x EVGA gtx 480 hydrocooled  ddr3 2133 gskill ripjaws. 
Hard DriveHard DriveOptical DriveCooling
2x 300 gig velociraptor in Raid 0 for strorage,  120 gig corsair SSD boot drive dvd r/rw 480 mm bix radiator dedicated to video cards, 1... 
OSMonitorKeyboardPower
windows 7 x64 3x dell 2408wfp check Toughpower 1200watt 
CaseMouseMouse PadAudio
Lian-Li pc-p80 check check Bose sound system 
Audio
Bose sound system 
CPUMotherboardGraphicsRAM
I7 2600k Sandy Bridge@4200 mhz , 1.24 v stable P67 FTW 3x EVGA gtx 480 hydrocooled  ddr3 2133 gskill ripjaws. 
Hard DriveHard DriveOptical DriveCooling
2x 300 gig velociraptor in Raid 0 for strorage,  120 gig corsair SSD boot drive dvd r/rw 480 mm bix radiator dedicated to video cards, 1... 
OSMonitorKeyboardPower
windows 7 x64 3x dell 2408wfp check Toughpower 1200watt 
CaseMouseMouse PadAudio
Lian-Li pc-p80 check check Bose sound system 
Audio
Bose sound system 
CPUMotherboardGraphicsRAM
I7 2600k Sandy Bridge@4200 mhz , 1.24 v stable P67 FTW 3x EVGA gtx 480 hydrocooled  ddr3 2133 gskill ripjaws. 
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2x 300 gig velociraptor in Raid 0 for strorage,  120 gig corsair SSD boot drive dvd r/rw 480 mm bix radiator dedicated to video cards, 1... 
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windows 7 x64 3x dell 2408wfp check Toughpower 1200watt 
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Lian-Li pc-p80 check check Bose sound system 
Audio
Bose sound system 
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