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Need recommendation for new build

post #1 of 11
Thread Starter 
Hi guys, I need some recommendations on a quality power supply for overclocking. My new build will include:

I7 2600K
Asus P8P67 Pro
Noctua NH-D14 (2 fans)
CM HAF X (4 fans)
2x4gb ddr3
1 Blu ray drive
1 SSD
2 SATA HD
SLI GTX 460 768mb

The extreme power supply calculator lite recommended 534watt power supply, but that's not including overclocking the GTX460. How much power do I really need?
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 2600k Asus P8P67 Pro GTX 460 SLI G.Skill Ripjaws X 2x2gb 1600mhz 6-8-6-24 
Hard DriveOptical DriveOSMonitor
OCZ AGILITY Lite on Blu ray drive Windows 7 Professional 64 bit HP ZR24W 
PowerCase
XFX 750w black edition Cooler Master HAF X 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 2600k Asus P8P67 Pro GTX 460 SLI G.Skill Ripjaws X 2x2gb 1600mhz 6-8-6-24 
Hard DriveOptical DriveOSMonitor
OCZ AGILITY Lite on Blu ray drive Windows 7 Professional 64 bit HP ZR24W 
PowerCase
XFX 750w black edition Cooler Master HAF X 
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post #2 of 11
How much do you want to spent?

A Seasonic X-560 would be enough for that build, even if you overclock.
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Core i5 3570K  Biostar TZ774XE Power Color AX5770 1GB 4x4GB 1866Mhz 9-10-9-27-2T 
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Intel X-25M G2 80GB Lite-On BluRay Drive Arctic Cooling Freezer 13 Pro Windows 7 Ultimate 
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Logitech G500 Cooler Master Storm Tactics FPS Beyer Dynamics DT-990 600ohm Samson MediaOne 3A 
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FiiO E09k QOGIR FiiO E17 ALPEN Microsoft Lifecam Studio Blue Yeti Pro Microphone 
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AMD A10-A5800K ASRock FM2A85X-ITX Radeon HD7770 1GB 2x8GB 1866mhz C9 
Hard DriveHard DriveOptical DriveCooling
SanDisk Ultra Plus 128GB 2TB 5400 RPM  24x DVD Drive Noctua L9A 
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Windows 7 Home Premium 32" IPS TV Logitech K400 Seasonic G360 
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Cooler Master Elite 120 Advanced Logitech K400 Trackpad Custom 2.1 Home Theater Setup 
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Test Bed
(24 items)
 
TTTbox
(15 items)
 
 
CPUMotherboardGraphicsRAM
Core i5 3570K  Biostar TZ774XE Power Color AX5770 1GB 4x4GB 1866Mhz 9-10-9-27-2T 
Hard DriveHard DriveHard DriveHard Drive
Samsung Spinpoint F3 1TB Samsung Spinpoint F3 1TB Western Digital Green 2TB Samsung Spinpoint M4 500GB 
Hard DriveOptical DriveCoolingOS
Intel X-25M G2 80GB Lite-On BluRay Drive Arctic Cooling Freezer 13 Pro Windows 7 Ultimate 
MonitorKeyboardPowerCase
Dell U2212HM Deck Legend Frost Tactile Silverstone Strider Plus 750w Custom Acrylic Test Bed 
MouseMouse PadAudioAudio
Logitech G500 Cooler Master Storm Tactics FPS Beyer Dynamics DT-990 600ohm Samson MediaOne 3A 
AudioAudioOtherOther
FiiO E09k QOGIR FiiO E17 ALPEN Microsoft Lifecam Studio Blue Yeti Pro Microphone 
CPUMotherboardGraphicsRAM
AMD A10-A5800K ASRock FM2A85X-ITX Radeon HD7770 1GB 2x8GB 1866mhz C9 
Hard DriveHard DriveOptical DriveCooling
SanDisk Ultra Plus 128GB 2TB 5400 RPM  24x DVD Drive Noctua L9A 
OSMonitorKeyboardPower
Windows 7 Home Premium 32" IPS TV Logitech K400 Seasonic G360 
CaseMouseAudio
Cooler Master Elite 120 Advanced Logitech K400 Trackpad Custom 2.1 Home Theater Setup 
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post #3 of 11
Tator Tot is correct; personally being kind of a neat freak, since you have two GTX 460s and those need two 6-pin PCIe connectors each, I'd get a PSU with enough PCIe connectors so you don't need to use Molex-to-PCIe adapters. Not that those present any major issues, it's just a personal thing. You'll probably need to delve into the 650W range to find that. But if you don't mind using adapters, a good 550W unit would be fine.
post #4 of 11
Thread Starter 
Budget is around $100. According the this link, 460SLI overclocked will draw as much as 500watt.
http://www.techspot.com/review/309-geforce-gtx-460-sli-performance/page9.html
I think it's too risky to go with a 550watt. I look at newegg website and both the XFX 750w black and XFX 850w black are on sale, is it worth $10 more to get the 850w? I'm not sure about the efficiency on the higher unit, but the review on the 750w model seems pretty good.
Edited by Kevin C - 1/22/11 at 3:16pm
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 2600k Asus P8P67 Pro GTX 460 SLI G.Skill Ripjaws X 2x2gb 1600mhz 6-8-6-24 
Hard DriveOptical DriveOSMonitor
OCZ AGILITY Lite on Blu ray drive Windows 7 Professional 64 bit HP ZR24W 
PowerCase
XFX 750w black edition Cooler Master HAF X 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 2600k Asus P8P67 Pro GTX 460 SLI G.Skill Ripjaws X 2x2gb 1600mhz 6-8-6-24 
Hard DriveOptical DriveOSMonitor
OCZ AGILITY Lite on Blu ray drive Windows 7 Professional 64 bit HP ZR24W 
PowerCase
XFX 750w black edition Cooler Master HAF X 
  hide details  
Reply
post #5 of 11
Quote:
Originally Posted by Kevin C;12104048 
Budget is around $100. According the this link, 460SLI overclocked will draw as much as 500watt.
http://www.techspot.com/review/309-geforce-gtx-460-sli-performance/page9.html

That's for the whole system. A couple of 460s will max out around 300W when running Furmark, and more like 200-240W under a normal gaming load.
post #6 of 11
Thread Starter 
Quote:
Originally Posted by Shub;12103966 
Tator Tot is correct; personally being kind of a neat freak, since you have two GTX 460s and those need two 6-pin PCIe connectors each, I'd get a PSU with enough PCIe connectors so you don't need to use Molex-to-PCIe adapters. Not that those present any major issues, it's just a personal thing. You'll probably need to delve into the 650W range to find that. But if you don't mind using adapters, a good 550W unit would be fine.

Thx. I would like to avoid those adapters.
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 2600k Asus P8P67 Pro GTX 460 SLI G.Skill Ripjaws X 2x2gb 1600mhz 6-8-6-24 
Hard DriveOptical DriveOSMonitor
OCZ AGILITY Lite on Blu ray drive Windows 7 Professional 64 bit HP ZR24W 
PowerCase
XFX 750w black edition Cooler Master HAF X 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 2600k Asus P8P67 Pro GTX 460 SLI G.Skill Ripjaws X 2x2gb 1600mhz 6-8-6-24 
Hard DriveOptical DriveOSMonitor
OCZ AGILITY Lite on Blu ray drive Windows 7 Professional 64 bit HP ZR24W 
PowerCase
XFX 750w black edition Cooler Master HAF X 
  hide details  
Reply
post #7 of 11
Thread Starter 
Quote:
Originally Posted by Shub;12104073 
That's for the whole system. A couple of 460s will max out around 300W when running Furmark, and more like 200-240W under a normal gaming load.

oh, I didn't realize that's for the whole computer. If that's the case, I'll probably settle on a 650w. How about the CMPSU-650TX? Are those any good?
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 2600k Asus P8P67 Pro GTX 460 SLI G.Skill Ripjaws X 2x2gb 1600mhz 6-8-6-24 
Hard DriveOptical DriveOSMonitor
OCZ AGILITY Lite on Blu ray drive Windows 7 Professional 64 bit HP ZR24W 
PowerCase
XFX 750w black edition Cooler Master HAF X 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 2600k Asus P8P67 Pro GTX 460 SLI G.Skill Ripjaws X 2x2gb 1600mhz 6-8-6-24 
Hard DriveOptical DriveOSMonitor
OCZ AGILITY Lite on Blu ray drive Windows 7 Professional 64 bit HP ZR24W 
PowerCase
XFX 750w black edition Cooler Master HAF X 
  hide details  
Reply
post #8 of 11
Though my current system (I am waiting for BD to come out to upgrade) refutes my stance, but if your budget is around 100$, an SLI certified Corsair power supply will probably meet your requirements and budget. If you are willing to spend a bit more, you can snag one with a 5-year warranty. I don't know about wattage, but two 460's overclocked probably need a 750W PSU.

You can't go wrong with Corsair power supplies: if a company is willing to stand behind their product for 5 years, and everyone gives great reviews of their product, it is quite certain that they build quality parts.

If you are willing to spend the extra buck, get the ones with the long warranty. Then you can carry the PSU over several systems without having to upgrade it.

I know it might be hypocritical of me to recommend such a good PSU when I myself use an 8-year-old piece of junk, but I was about 10 when I got the computer, and I didn't know much about hardware back then.
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Blackout
(26 items)
 
  
CPUMotherboardGraphicsGraphics
Intel Core i7 930 EVGA 132-BL-E758 EVGA GeForce GTX 295 Co-op Edition BFG GeForce GTX 275 
RAMHard DriveHard DriveHard Drive
Super Talent Chrome (Eplida Hypers) WD Caviar Black 1TB Caviar Blue Kingston SSDnow V-Series  
Optical DriveCoolingCoolingCooling
Sony Optiarc DVD w/ Lightscribe EK Supreme HF Full Gold CPU Waterblock Hardware Labs Black Ice GTX 360 Radiator  Gentle Typhonn AP-15 
CoolingCoolingCoolingCooling
Black Primochill 1/2" ID 3/4" OD tubing Swiftech MCP35X Pump/HS/Resevoir combo  Swiftech Epsilon Full Cover GTX 295 Block Swiftech Komodo Full Cover GTX 275 Block 
OSOSMonitorMonitor
Arch Linux 64-bit Windows 7 64-bit Professional Dell U2311 A01 Dell 1905FP 
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IBM Model M Corsair TX850 V2 ABS Canyon 595 Logitech G500 
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Razer Destructor Dell 2.1 Speakers  
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post #9 of 11
Quote:
Originally Posted by Kevin C;12104197 
oh, I didn't realize that's for the whole computer. If that's the case, I'll probably settle on a 650w. How about the CMPSU-650TX? Are those any good?

It's a good unit, but it's quite outdated. Plus you said you didn't want to use Molex-to-PCIe adapters -- the TX650 only has two 6+2-pin PCIe connectors rather than 4.
My recommendation would be one of these:
http://www.newegg.com/Product/Product.aspx?Item=N82E16817371021
http://www.newegg.com/Product/Product.aspx?Item=N82E16817207007
http://www.newegg.com/Product/Product.aspx?Item=N82E16817207002
They're very similar units internally, all made by SeaSonic. The two XFX units are virtually identical, but the green variant is a few bucks cheaper once you factor the mail-in rebate and shipping into the total price. If you'd rather not deal with a mail-in rebate, the TP-650 is the best 650W unit in that price range, but the XFX units offer more modularity. XFX will honor mail-in rebates though, and they're pretty quick to process them (about 30 days in my experience).
post #10 of 11
Thread Starter 
Quote:
Originally Posted by Shub;12104241 
It's a good unit, but it's quite outdated. Plus you said you didn't want to use Molex-to-PCIe adapters -- the TX650 only has two 6+2-pin PCIe connectors rather than 4.
My recommendation would be one of these:
http://www.newegg.com/Product/Product.aspx?Item=N82E16817371021
http://www.newegg.com/Product/Product.aspx?Item=N82E16817207007
http://www.newegg.com/Product/Product.aspx?Item=N82E16817207002
They're very similar units internally, all made by SeaSonic. The two XFX units are virtually identical, but the green variant is a few bucks cheaper once you factor the mail-in rebate and shipping into the total price. If you'd rather not deal with a mail-in rebate, the TP-650 is the best 650W unit in that price range, but the XFX units offer more modularity. XFX will honor mail-in rebates though, and they're pretty quick to process them (about 30 days in my experience).

Thanks again. I had great experience with antec in the past but modular is a big plus for better cable management. I think I would settle on 1 of the XFX unit.
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 2600k Asus P8P67 Pro GTX 460 SLI G.Skill Ripjaws X 2x2gb 1600mhz 6-8-6-24 
Hard DriveOptical DriveOSMonitor
OCZ AGILITY Lite on Blu ray drive Windows 7 Professional 64 bit HP ZR24W 
PowerCase
XFX 750w black edition Cooler Master HAF X 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 2600k Asus P8P67 Pro GTX 460 SLI G.Skill Ripjaws X 2x2gb 1600mhz 6-8-6-24 
Hard DriveOptical DriveOSMonitor
OCZ AGILITY Lite on Blu ray drive Windows 7 Professional 64 bit HP ZR24W 
PowerCase
XFX 750w black edition Cooler Master HAF X 
  hide details  
Reply
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