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Will my 650 watt super flower Amptac PSU support dual crossfire 7870 xt??

post #1 of 5
Thread Starter 
hallo fellow ocn member please help me to decide

is my sf 650watt psu will support my dual crossfire 7870xt?

my current pc spec is

i7 2600k
z77 extreme 4 asrock
Corsair Hydro H100i
4x4gb pc 1866 mhz corsair Vengence =16gb
SSD corsair Force 3 90gb
WD Caviar Black 1tb
Sapphire 7870 XT With BOOST
Creative x-fi Gamer Fatality
LG dvd rw
TP link Wireles adapter wn-781nd
with 2 LED panel @35cm
with 6 fans of 120mm 3 with led 3 not led
case is cm TROOPER
i am oc to 4,2-4.5 ghz depends on vcore i got
and use XMP 1.2 profile of ram
and use Boost features of 7870xt at both card will boost to 975 mhz gpu ckicj and 1500 memory clock
please help me

if this sf 650watt bronze 80+ amptac can do well with crossfire of 7870xt


many thanks for fellow ocn member again thanks !!
post #2 of 5
Should be just fine. A Titan sli system only pulls about ~600w at stock clocks so I wouldn't worry.
PC
(16 items)
 
  
CPUMotherboardGraphicsRAM
i7-6700K ASUS Z170M-PLUS Asus Strix 1070 Gskill 4X4GB DDR4 3000mhz 
Hard DriveHard DriveOptical DriveCooling
Crucial MX100 512GB SSD Plextor M7VC 512GB SSD LG DVD Multi external Noctua NH-U9S + Noctua x2 + Be Quiet x2 
OSMonitorKeyboardPower
Win-10 Dell S2417DG  Logitech G710+ EVGA 550W Gold  
CaseMouseMouse PadAudio
Corsair SPEC-M2 Mionix 7000 Razer Sound Blaster Omni USB 
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PC
(16 items)
 
  
CPUMotherboardGraphicsRAM
i7-6700K ASUS Z170M-PLUS Asus Strix 1070 Gskill 4X4GB DDR4 3000mhz 
Hard DriveHard DriveOptical DriveCooling
Crucial MX100 512GB SSD Plextor M7VC 512GB SSD LG DVD Multi external Noctua NH-U9S + Noctua x2 + Be Quiet x2 
OSMonitorKeyboardPower
Win-10 Dell S2417DG  Logitech G710+ EVGA 550W Gold  
CaseMouseMouse PadAudio
Corsair SPEC-M2 Mionix 7000 Razer Sound Blaster Omni USB 
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post #3 of 5
yes it can.
My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
i7 4770K @ 4.7ghz Gigabyte Z87X-UD4H EVGA GTX 980TI ACX 2.0  8GB G.Skill Trident X 2400 mhz 
Hard DriveHard DriveHard DriveCooling
Samsung 830 SSD 128GB 3TB Toshiba  3TB Toshiba Custom Water 
OSMonitorPowerCase
Window 7 Ultimate 64 bit HP 23xi Corsair HX750i Phanteks Enthoo Luxe 
Mouse
Logitech G600 
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My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
i7 4770K @ 4.7ghz Gigabyte Z87X-UD4H EVGA GTX 980TI ACX 2.0  8GB G.Skill Trident X 2400 mhz 
Hard DriveHard DriveHard DriveCooling
Samsung 830 SSD 128GB 3TB Toshiba  3TB Toshiba Custom Water 
OSMonitorPowerCase
Window 7 Ultimate 64 bit HP 23xi Corsair HX750i Phanteks Enthoo Luxe 
Mouse
Logitech G600 
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post #4 of 5
It should, 7870 crossfire combine do about 350-400 if i remember right. The rest of your computer should be about 200 maybe less, 650 is enough.
Impalla 67
(15 items)
 
  
CPUMotherboardGraphicsRAM
Core i5 3570k 4.4 Ghz Asus maximus gene 5 msi 7970 3gb  G.skillz 2x2x2x2 GB DDR3 1600mhz 
Hard DriveHard DriveCoolingOS
2 tb red x 3 samsung pro 840 128gb ETD-T60-VD  7 64-Bit 
MonitorKeyboardPowerCase
viewsonic vx2268wm 120hz loeopold cherry mx blue corsair ax860i platinum fractal core 1000 
MouseMouse Pad
g400 logitech qck + 
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Impalla 67
(15 items)
 
  
CPUMotherboardGraphicsRAM
Core i5 3570k 4.4 Ghz Asus maximus gene 5 msi 7970 3gb  G.skillz 2x2x2x2 GB DDR3 1600mhz 
Hard DriveHard DriveCoolingOS
2 tb red x 3 samsung pro 840 128gb ETD-T60-VD  7 64-Bit 
MonitorKeyboardPowerCase
viewsonic vx2268wm 120hz loeopold cherry mx blue corsair ax860i platinum fractal core 1000 
MouseMouse Pad
g400 logitech qck + 
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post #5 of 5
Will be more than fine, 650 is plenty.smile.gif
    
CPUMotherboardGraphicsRAM
Xeon E5-1680 V2  R4BE  TITAN X (Pascal)   2666 Dominator Platinum CL10 
Hard DriveCoolingCoolingOS
750 NVMe 1.2TB EK HF/rx360/rx120 EK FC/GTs/mcp655 Windows 10 Pro  
MonitorPowerCaseAudio
BL3200PT 1600 T2 800d Pro Audio 2.1 + DragonFly Red 
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CPUMotherboardGraphicsRAM
Xeon E5-1680 V2  R4BE  TITAN X (Pascal)   2666 Dominator Platinum CL10 
Hard DriveCoolingCoolingOS
750 NVMe 1.2TB EK HF/rx360/rx120 EK FC/GTs/mcp655 Windows 10 Pro  
MonitorPowerCaseAudio
BL3200PT 1600 T2 800d Pro Audio 2.1 + DragonFly Red 
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