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Smallest recommended power supply for 7970?

post #1 of 12
9/8/12 at 2:13pm
Thread Starter 
I plan on getting the 8350 and overclocking the crap out of it, and eventually upgrading to a 7970, and overclocking it. (all under liquid cooling)

I was thinking about a 750w, but that seems like it would be overkill
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The Never-Ending Upgrade
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CPUMotherboardGraphicsRAM
FX 8350 @ 4.5 ASUS Crosshair V Formula-Z XFX 6970 Mushkin Enhanced Blackline 2133 1.5v 
Hard DriveHard DriveOptical DriveCooling
Samsung Spinpoint F4 OCZ Agility 3  Lite-On 24x DVD R/W XSPC RX 240 Radiator 
CoolingCoolingCoolingCooling
XSPC RX 360 Radiator  XSPC Rasa Cpu Block EK Bay Spin Reservoir Swiftech MPC-655 B Pump 
CoolingOSMonitorMonitor
Koolance Full Cover GPU Block Windows 7 Hannspree SL231 1920x1080 Acer x223w 1680x1050 
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Microsoft Sidewinder X4 Antec Earthwatts 650w NZXT Switch 810 Mionix Naos 3200 
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post #2 of 12
9/8/12 at 2:41pm
  • obsidian86
  • Nobody knows what it means, but its provocative
550 will be enough as long as its a good quality 550
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post #3 of 12
9/8/12 at 2:44pm
Yeah a good Quality 550W But mabey 600W just to be safe.
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post #4 of 12
9/8/12 at 2:44pm
A quality 450W on air, quality 520W under water.
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post #5 of 12
9/8/12 at 6:49pm
Thread Starter 
I used a power supply calculator, and it told me pretty much the same thing you guys did, until i remembered I have 13 fans, and a swiftech mcp655, and the 6970 I'll be using for a while, and it told me I'd need around 630w minimum... Does it really make that much of a difference?

I don't mind getting a 750w for peace of mind, but that seems a little extreme to me
The Never-Ending Upgrade
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FX 8350 @ 4.5 ASUS Crosshair V Formula-Z XFX 6970 Mushkin Enhanced Blackline 2133 1.5v 
Hard DriveHard DriveOptical DriveCooling
Samsung Spinpoint F4 OCZ Agility 3  Lite-On 24x DVD R/W XSPC RX 240 Radiator 
CoolingCoolingCoolingCooling
XSPC RX 360 Radiator  XSPC Rasa Cpu Block EK Bay Spin Reservoir Swiftech MPC-655 B Pump 
CoolingOSMonitorMonitor
Koolance Full Cover GPU Block Windows 7 Hannspree SL231 1920x1080 Acer x223w 1680x1050 
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Microsoft Sidewinder X4 Antec Earthwatts 650w NZXT Switch 810 Mionix Naos 3200 
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The Never-Ending Upgrade
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CPUMotherboardGraphicsRAM
FX 8350 @ 4.5 ASUS Crosshair V Formula-Z XFX 6970 Mushkin Enhanced Blackline 2133 1.5v 
Hard DriveHard DriveOptical DriveCooling
Samsung Spinpoint F4 OCZ Agility 3  Lite-On 24x DVD R/W XSPC RX 240 Radiator 
CoolingCoolingCoolingCooling
XSPC RX 360 Radiator  XSPC Rasa Cpu Block EK Bay Spin Reservoir Swiftech MPC-655 B Pump 
CoolingOSMonitorMonitor
Koolance Full Cover GPU Block Windows 7 Hannspree SL231 1920x1080 Acer x223w 1680x1050 
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Microsoft Sidewinder X4 Antec Earthwatts 650w NZXT Switch 810 Mionix Naos 3200 
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post #6 of 12
9/8/12 at 6:57pm
  • obsidian86
  • Nobody knows what it means, but its provocative
Quote:
Originally Posted by Hobybobag View Post

I used a power supply calculator, and it told me pretty much the same thing you guys did, until i remembered I have 13 fans, and a swiftech mcp655, and the 6970 I'll be using for a while, and it told me I'd need around 630w minimum... Does it really make that much of a difference?
I don't mind getting a 750w for peace of mind, but that seems a little extreme to me

a good 550 is more then enough


my suggestion is kingwin 550

it is capable of doing 650 but only clears gold at that wattage
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post #7 of 12
9/8/12 at 7:36pm
Thread Starter 
How is this one? I'm on a bit of a budget, and it seems like pretty decent quality, considering its in the same price range as a couple of corsair units
http://www.newegg.com/Product/Product.aspx?Item=N82E16817182133
edit: forgot to post the link doh.gif

edit 2: further research tells me it has HighPower internals, and is identical to the OCZ ZS 750, only Rosewill added the modular cables.
Edited by Hobybobag - 9/8/12 at 8:03pm
The Never-Ending Upgrade
(22 items)
  		  
CPUMotherboardGraphicsRAM
FX 8350 @ 4.5 ASUS Crosshair V Formula-Z XFX 6970 Mushkin Enhanced Blackline 2133 1.5v 
Hard DriveHard DriveOptical DriveCooling
Samsung Spinpoint F4 OCZ Agility 3  Lite-On 24x DVD R/W XSPC RX 240 Radiator 
CoolingCoolingCoolingCooling
XSPC RX 360 Radiator  XSPC Rasa Cpu Block EK Bay Spin Reservoir Swiftech MPC-655 B Pump 
CoolingOSMonitorMonitor
Koolance Full Cover GPU Block Windows 7 Hannspree SL231 1920x1080 Acer x223w 1680x1050 
KeyboardPowerCaseMouse
Microsoft Sidewinder X4 Antec Earthwatts 650w NZXT Switch 810 Mionix Naos 3200 
Audio
ASUS Xonar DX 
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  hide details  
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The Never-Ending Upgrade
(22 items)
  		  
CPUMotherboardGraphicsRAM
FX 8350 @ 4.5 ASUS Crosshair V Formula-Z XFX 6970 Mushkin Enhanced Blackline 2133 1.5v 
Hard DriveHard DriveOptical DriveCooling
Samsung Spinpoint F4 OCZ Agility 3  Lite-On 24x DVD R/W XSPC RX 240 Radiator 
CoolingCoolingCoolingCooling
XSPC RX 360 Radiator  XSPC Rasa Cpu Block EK Bay Spin Reservoir Swiftech MPC-655 B Pump 
CoolingOSMonitorMonitor
Koolance Full Cover GPU Block Windows 7 Hannspree SL231 1920x1080 Acer x223w 1680x1050 
KeyboardPowerCaseMouse
Microsoft Sidewinder X4 Antec Earthwatts 650w NZXT Switch 810 Mionix Naos 3200 
Audio
ASUS Xonar DX 
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post #8 of 12
9/8/12 at 9:22pm
You don't need that much, something like this would be better (cheaper too): http://www.newegg.com/Product/Product.aspx?Item=N82E16817182262
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post #9 of 12
9/8/12 at 10:35pm
i wouldn't go below 400w, however i've seen quality 350w units pushing it fine
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post #10 of 12
9/9/12 at 2:54am
Quote:
Originally Posted by psyclum View Post

i wouldn't go below 400w, however i've seen quality 350w units pushing it fine

And what units might they be?
My System
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"Zeus"
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Intel Core i5 2500K (4.5ghz @ 1.320v) Gigabyte Z68X-UD3R-B3 MSI R7970 Lightning Corsair 16GB (4x4GB) 
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Plextor PX-256M5S 256GB Crucial M4 128GB Hitachi HDS721010CLA332 Hitachi HDS723020BLA642 
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Hitachi HDS723020BLA642 Hitachi HUA722010CLA330 WDC WD10EARS-00Z5B1 TSSTcorp CDDVDW SH-S223B 
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Phanteks PH-TC14PE with TY-140's Lamptron FCv5 (x2) Windows 7 Ultimate 64-bit Dell U2412M 
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Dell U2412M Dell U2212HM Dell U2212HM Ducky DK9087 G2 Pro 
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Corsair AX-750 Corsair Obsidian 650D Microsoft IntelliMouse Optical  XTRAC Ripper XXL 
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Westone W3 IEMs RE-272 IEMs Shure SE-215 IEMs Schiit Bifrost DAC 
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Schiit Asgard 2 amp HiVi Swan M50W 2.1 
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Intel Core i7 950 GA-X58-UD3R Radeon HD 5450  24GB Corsair @ 1333mhz 
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My System
(30 items)
 
"Zeus"
(13 items)
  		 
CPUMotherboardGraphicsRAM
Intel Core i5 2500K (4.5ghz @ 1.320v) Gigabyte Z68X-UD3R-B3 MSI R7970 Lightning Corsair 16GB (4x4GB) 
Hard DriveHard DriveHard DriveHard Drive
Plextor PX-256M5S 256GB Crucial M4 128GB Hitachi HDS721010CLA332 Hitachi HDS723020BLA642 
Hard DriveHard DriveHard DriveOptical Drive
Hitachi HDS723020BLA642 Hitachi HUA722010CLA330 WDC WD10EARS-00Z5B1 TSSTcorp CDDVDW SH-S223B 
CoolingCoolingOSMonitor
Phanteks PH-TC14PE with TY-140's Lamptron FCv5 (x2) Windows 7 Ultimate 64-bit Dell U2412M 
MonitorMonitorMonitorKeyboard
Dell U2412M Dell U2212HM Dell U2212HM Ducky DK9087 G2 Pro 
PowerCaseMouseMouse Pad
Corsair AX-750 Corsair Obsidian 650D Microsoft IntelliMouse Optical  XTRAC Ripper XXL 
AudioAudioAudioAudio
Westone W3 IEMs RE-272 IEMs Shure SE-215 IEMs Schiit Bifrost DAC 
AudioAudio
Schiit Asgard 2 amp HiVi Swan M50W 2.1 
View all
CPUMotherboardGraphicsRAM
Intel Core i7 950 GA-X58-UD3R Radeon HD 5450  24GB Corsair @ 1333mhz 
Hard DriveOSPowerCase
4x WD Cavair Red 1TB in RAID 0 Windows Server 2008 R2 x64 Corsair HX-520 LianLi LanCool 
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