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power consumption for 2 9800gt's?

post #1 of 3
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so i have 1 9800gt right now and i wanted to run sli with two of them. i was just wondering what power supply i should use, i cheaped out on it when i was building my system and i went with a 550watt pro. now im also open to new graphics card opinions, i need a better video card so if any of you guys know an inexpensive graphics card around 50-100 dollars then let me know, or ill just end up investing in another 9800gt. thanks in advance.
RAMPAGE III
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RAMPAGE III
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Intel i7 960 @ 4.2GHz 1.32v Rampage III GENE N680GTX Kingston HyperX @ 1600MHz 1.65v 
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Crucial M4  Asus OEM Corsair H80 Windows 7 Home Premium 64 bit 
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Dell S2409W Logitech K120 Antec HCG-620M SilverStone PS07 Precision Series  
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post #2 of 3
While I wouldn't recommend that someone go out and buy that PSU, it should have plenty of power for your system with two 9800 GTs in it.

However, I wouldn't overclock with it because I believe that it doesn't do a very good job at delivering clean and stable power.

Although, you may be able to find a very good replacement for the 9800 GT in OCN's For Sale forum. Or, you may be able to find a brand new 5770 at roughly $100-$115.

Or, perhaps a brand new GTX 260 for ~$100.
It's a computer!
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It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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post #3 of 3
Each one is like a 100W card, so call it 180W combined in SLI. Means a good 400W PSU would be more than adequate.
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