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Will 750w PSU be enough for a HD6990?

post #1 of 5
Thread Starter 
i will be getting a new PSU to power up the upcoming 6990....i will be overclocking the card as far it goes...so do a 750w PSU be enough to power this beast? or do i need more like a 850w or a 1000w unit?

and i am going for a Thermaltake unit cuz thats the only PSU brand available here in masses...

thanx
     
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XSPC RX 480mm V3 Radiator XSPC 3/8, 5/8 Black Chrome Fittings Primochill Advanced LRT 3/8, 5/8 BloodShed Red ... Windows 8 Pro 
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Phenom ii X6 1090T @ 4.0Ghz, CPU-NB @ 3Ghz MSI 990FXA-GD80 Nvidia 8800GT Corsair XMS3 8GB 1600Mhz 
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CPUMotherboardGraphicsRAM
Intel Core i7 3770K @ 5Ghz  ASUS ROG MAXIMUS V EXTREME Gigabyte 980Ti G1 Corsair Vengence 8Gb @ 2100MHz 
Hard DriveHard DriveCoolingCooling
Western Digital Caviar Blue 1TB Samsung 850 Pro 256GB XSPC Raystorm CPU Block XSPC Photon D5 270mm Reservoir  
CoolingCoolingCoolingOS
XSPC RX 480mm V3 Radiator XSPC 3/8, 5/8 Black Chrome Fittings Primochill Advanced LRT 3/8, 5/8 BloodShed Red ... Windows 8 Pro 
MonitorMonitorKeyboardPower
Samsung F8000 55'' Smart 3D LED Sony W300 40'' Razer Black Widow Ultimate 2013 Silverstone Strider ST-1200G 
CaseMouseMouse Pad
Corsair OBSIDIAN 900D  Razer DeathAdder 2013 Razer Goliathus EXTENDED (Speed Edition) 
CPUMotherboardGraphicsRAM
Phenom ii X6 1090T @ 4.0Ghz, CPU-NB @ 3Ghz MSI 990FXA-GD80 Nvidia 8800GT Corsair XMS3 8GB 1600Mhz 
Hard DriveHard DriveOptical DriveCooling
WD Blue 1TB 7200 RPM Seagate Barracuda 1TB 7200 RPM LG Corsair H100 
OSMonitorKeyboardPower
Windows 8 PRO 64-bit Sony 3D LED 46'' KDLNX720  Logitech ES100 Corsair TX750 
CaseMouse
Thermaltake Chaser MK-1 Logitech G700 
  hide details  
Reply
post #2 of 5
Yes.
post #3 of 5
How about 730 watts?
post #4 of 5
Quote:
Originally Posted by TheSocialHermit View Post
How about 730 watts?
yes
Oppress This!
(13 items)
 
  
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2xWD640AAHLS + Hitachi 2TB 7200RPM + 2x150gb VRapt HP IDE + LG SATA Win 7 x64 ult 15" 1024x768 Dell (visually impaired) 
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XFX XXX 650w (green fan) Antec 300 (Heavily Modded) 
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Oppress This!
(13 items)
 
  
CPUMotherboardGraphicsRAM
Phenom 2 X4 B55BE @ 3.7 ASUS M4A89GTD-PRO USB3 GTX 470 + GTX 275 SOC 4gb Crucial Ballistix T 1600 6-8-6-20-24 1T 
Hard DriveOptical DriveOSMonitor
2xWD640AAHLS + Hitachi 2TB 7200RPM + 2x150gb VRapt HP IDE + LG SATA Win 7 x64 ult 15" 1024x768 Dell (visually impaired) 
PowerCase
XFX XXX 650w (green fan) Antec 300 (Heavily Modded) 
  hide details  
Reply
post #5 of 5
Quote:
Originally Posted by TheSocialHermit View Post
How about 730 watts?
No, because it's an outdated Andyson 450W.
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