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550watt SLI?

post #1 of 6
Thread Starter 
anyone here running SLI on a 550watt psu with 37amp on 12v rail?
RyZEN
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Logitech G700 Logitech Z2300 Logitech G430 
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AMD 7850K  Gigabyte GA-F2A88XN-WIFI Radeon R7 8GB DDR3 2400 
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RyZEN
(15 items)
 
Kaveri HTPC
(11 items)
 
 
CPUMotherboardGraphicsGraphics
R7 1700 Asrock X370 Taichi Sapphire R9 290 XFX R9 290 
RAMHard DriveCoolingOS
Gskill Trident Z MyDigitalSSD BPX NVME Corsair H100i GTX Windows 10 x64 
MonitorKeyboardPowerCase
43in LG 4K Logitech G710 Corsair GS800 Corsair Carbide 400c 
MouseAudioAudio
Logitech G700 Logitech Z2300 Logitech G430 
CPUMotherboardGraphicsRAM
AMD 7850K  Gigabyte GA-F2A88XN-WIFI Radeon R7 8GB DDR3 2400 
OSMonitorKeyboardPower
Windows 8.1 x64 56in Samsung DLP 1080p Logitech K400 PicoPSU 160XT 
Case
Wesena ITX1 
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post #2 of 6
I'm running a 700w OCZ 18amp rails X 4 in SLI.
My BFG
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core 2 Duo E6600 EVGA 680i SLI NF68 2 X 8800GTS 640MB in SLI G.Skill PC6400 DDR2 800Mhz 
Hard DriveOSMonitorKeyboard
250g SATA2 16Mb Windows XP home 20.1 Wide Screen Saitek Eclipse 
PowerCaseMouse
OCZ GamerXtream 700W Thermaltake Armor MS Optical 
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My BFG
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core 2 Duo E6600 EVGA 680i SLI NF68 2 X 8800GTS 640MB in SLI G.Skill PC6400 DDR2 800Mhz 
Hard DriveOSMonitorKeyboard
250g SATA2 16Mb Windows XP home 20.1 Wide Screen Saitek Eclipse 
PowerCaseMouse
OCZ GamerXtream 700W Thermaltake Armor MS Optical 
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post #3 of 6
Thread Starter 
well i wana run 2 8800gts 320's in sli on my 550watt psu. now i have 37amp on the rail so that should be enough right?
RyZEN
(15 items)
 
Kaveri HTPC
(11 items)
 
 
CPUMotherboardGraphicsGraphics
R7 1700 Asrock X370 Taichi Sapphire R9 290 XFX R9 290 
RAMHard DriveCoolingOS
Gskill Trident Z MyDigitalSSD BPX NVME Corsair H100i GTX Windows 10 x64 
MonitorKeyboardPowerCase
43in LG 4K Logitech G710 Corsair GS800 Corsair Carbide 400c 
MouseAudioAudio
Logitech G700 Logitech Z2300 Logitech G430 
CPUMotherboardGraphicsRAM
AMD 7850K  Gigabyte GA-F2A88XN-WIFI Radeon R7 8GB DDR3 2400 
OSMonitorKeyboardPower
Windows 8.1 x64 56in Samsung DLP 1080p Logitech K400 PicoPSU 160XT 
Case
Wesena ITX1 
  hide details  
Reply
RyZEN
(15 items)
 
Kaveri HTPC
(11 items)
 
 
CPUMotherboardGraphicsGraphics
R7 1700 Asrock X370 Taichi Sapphire R9 290 XFX R9 290 
RAMHard DriveCoolingOS
Gskill Trident Z MyDigitalSSD BPX NVME Corsair H100i GTX Windows 10 x64 
MonitorKeyboardPowerCase
43in LG 4K Logitech G710 Corsair GS800 Corsair Carbide 400c 
MouseAudioAudio
Logitech G700 Logitech Z2300 Logitech G430 
CPUMotherboardGraphicsRAM
AMD 7850K  Gigabyte GA-F2A88XN-WIFI Radeon R7 8GB DDR3 2400 
OSMonitorKeyboardPower
Windows 8.1 x64 56in Samsung DLP 1080p Logitech K400 PicoPSU 160XT 
Case
Wesena ITX1 
  hide details  
Reply
post #4 of 6
That 550Watt that you are getting from your Ultra PSU is MAX output. You need something that is going to push approximately 500 constant for 2-8800GTS OCed. This Corsair 620Watt would be a perfect fit! You could get away with the 520Watt version though!
post #5 of 6
Yes i would agree with you on this ,but i would suggest a 600w or higher to leave you some head room for any possible upgrades or O/Cing in the future.

Off topic just a tad: rsfkevski
You just happen to have the same MSI board i attempted my first O/C with. I loved that board, after all it got my old P4 up to 4.0Ghz on water. Ahh memories

Ok back on topic now
My BFG
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core 2 Duo E6600 EVGA 680i SLI NF68 2 X 8800GTS 640MB in SLI G.Skill PC6400 DDR2 800Mhz 
Hard DriveOSMonitorKeyboard
250g SATA2 16Mb Windows XP home 20.1 Wide Screen Saitek Eclipse 
PowerCaseMouse
OCZ GamerXtream 700W Thermaltake Armor MS Optical 
  hide details  
Reply
My BFG
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core 2 Duo E6600 EVGA 680i SLI NF68 2 X 8800GTS 640MB in SLI G.Skill PC6400 DDR2 800Mhz 
Hard DriveOSMonitorKeyboard
250g SATA2 16Mb Windows XP home 20.1 Wide Screen Saitek Eclipse 
PowerCaseMouse
OCZ GamerXtream 700W Thermaltake Armor MS Optical 
  hide details  
Reply
post #6 of 6
Yes with a Corsair HX-520W you could run SLi.
Current Rig
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7 920 Asus P6T Gigabyte 4870 1 GB Kingston 3 x 2 GB 
Hard DriveOptical DriveOSPower
WD 750GB LG DVD Drive Windows 7 x64 Corsair HX 520W 
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Current Rig
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7 920 Asus P6T Gigabyte 4870 1 GB Kingston 3 x 2 GB 
Hard DriveOptical DriveOSPower
WD 750GB LG DVD Drive Windows 7 x64 Corsair HX 520W 
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