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dual power supplies

post #1 of 5
Thread Starter 
Just a quick question. I purchased http://www.newegg.com/Product/Product.aspx?Item=N82E16812201037 ( apevia 1x 24 pin to 2x24 pin) . I want to use it to connect a 2nd psu for a second video card.

What precautions do i need to be aware of to do this safely?

Steve

amd 8320 no overclock very low cpu usage.
amd 7950 no overclock high usage.
amd 7850 no overclock high usage.
ssd
dvdrom
pcie wifi card
8gigs samsung wonder ram

Current power supply kingwin 600 watt. modular extreme version
2nd power supply Liteon 450w
post #2 of 5
Dont use any of those PSU´s

Get one big PSU thats decent and big enough for your needs and not two crappy PSU´s
Seravee
(27 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core I7 6850K Gigabyte X99 Ultra Gaming EVGA GTX 1080 FTW2 Kingston HyperX DDR4 Savage 3000 MHz 
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Samsung 840 Evo WD Green WD60EZRX  WD Red WD80EFZX 8TB  Seagate Ironwolf Pro 10 TB 
Optical DriveCoolingCoolingOS
LG CH12NS30 x5 Noctua NF-A14 FLX Noctua NH-D15S Windows 7 64 Bit 
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Asus PG279Q LG 49UH750V 4K LED TV Corsair Gaming Strafe RGB EVGA SuperNova G2 750 watt 
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AudioAudioAudioAudio
Onkyo TX NR646  Harman Kardon HKTS 60 Dali Opticon Vokal x2 Dali Opticon 2 
AudioOtherOther
x2 Dali Opticon 1 CableMod E series PSU cable set CableMod LED Strips 
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Seravee
(27 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core I7 6850K Gigabyte X99 Ultra Gaming EVGA GTX 1080 FTW2 Kingston HyperX DDR4 Savage 3000 MHz 
Hard DriveHard DriveHard DriveHard Drive
Samsung 840 Evo WD Green WD60EZRX  WD Red WD80EFZX 8TB  Seagate Ironwolf Pro 10 TB 
Optical DriveCoolingCoolingOS
LG CH12NS30 x5 Noctua NF-A14 FLX Noctua NH-D15S Windows 7 64 Bit 
MonitorMonitorKeyboardPower
Asus PG279Q LG 49UH750V 4K LED TV Corsair Gaming Strafe RGB EVGA SuperNova G2 750 watt 
CaseMouseMouse PadAudio
Phanteks Enthoo Luxe Roccat Kone EMP Roccat Sense Metor Sennheiser HD 598 
AudioAudioAudioAudio
Onkyo TX NR646  Harman Kardon HKTS 60 Dali Opticon Vokal x2 Dali Opticon 2 
AudioOtherOther
x2 Dali Opticon 1 CableMod E series PSU cable set CableMod LED Strips 
  hide details  
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post #3 of 5
Normally you'd just try to avoid using two. But if you had to, you'd use units with individual voltage regulation (the LiteOn's likely group regulated and the Kingwin... uh, I'd need to check). Failing that, you don't want to crossload a unit by giving it only +12V to handle, for example.

In your case I don't see why you don't just use the Kingwin for everything. Some molex adapters if you have to.
post #4 of 5
I would get 1 PSU to power the entire system rather that 2. The SILVERSTONE ST75F-P 750W ATX 12V v2.3 / EPS 12V 80 PLUS SILVER PSU is a good solid unit. 2 PSU leaves too much room for something in one unit or the other to go BOOM.
Red Steel
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Blue Butterfly
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AMD Phenom II X6 1090T >STOCK< Asus CROSSHAIR V FORMULA-Z EVGA GTX770 SC Avexir Core Series 8GB 240-Pin DDR3 SDRAM DDR3 ... 
Hard DriveHard DriveHard DriveHard Drive
Seagate 250GB SATA III MLC Internal Solid State... Seagate Barracuda 7200.10 ST3250310AS 250GB 720... SAMSUNG SpinPoint T Series HD320KJ 320GB 7200 R... Seagate Barracuda 7200.10 ST3500630AS 500GB 720... 
Optical DriveCoolingOSMonitor
Lightscribe DVD/RW Cooler Master Hyper 212+ in Push/Pull Windows 10 Pro 64 bit Phillips 32" LCD Flatscreen @ 1920x1080 
KeyboardPowerCaseMouse
Ducky DK1008 w/ Cherry MX Bkack Switches Corsair CX750M HAF 922 Custom Painted Logitech G502 Proteus Core 
Mouse PadAudioOther
Ratpadz XT EACH G2000 Lamptron FC6 Fan Controller 
CPUMotherboardGraphicsRAM
AMD Phenom II X4 955 Black Edition Deneb 3.2GHz ASUS M4A79T Deluxe AM3 Asus R7 260X OC 2GB G.SKILL Ripjaws Series 6GB (3 x 2GB) 240-Pin DD... 
Hard DriveOptical DriveCoolingOS
>>320GB with a 1TB External<< >>DVD/RW<< Xigmatek Dark Night  >>Windows 7 Ultimate 64bit<< 
MonitorKeyboardCaseMouse
>>22" Westinghouse WS<< CM Storm Devastator MB24 >>Antec 902 w/ Blue LED Fans<< CM Storm Devastator MS2K 
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Red Steel
(19 items)
 
Blue Butterfly
(14 items)
 
 
CPUMotherboardGraphicsRAM
AMD Phenom II X6 1090T >STOCK< Asus CROSSHAIR V FORMULA-Z EVGA GTX770 SC Avexir Core Series 8GB 240-Pin DDR3 SDRAM DDR3 ... 
Hard DriveHard DriveHard DriveHard Drive
Seagate 250GB SATA III MLC Internal Solid State... Seagate Barracuda 7200.10 ST3250310AS 250GB 720... SAMSUNG SpinPoint T Series HD320KJ 320GB 7200 R... Seagate Barracuda 7200.10 ST3500630AS 500GB 720... 
Optical DriveCoolingOSMonitor
Lightscribe DVD/RW Cooler Master Hyper 212+ in Push/Pull Windows 10 Pro 64 bit Phillips 32" LCD Flatscreen @ 1920x1080 
KeyboardPowerCaseMouse
Ducky DK1008 w/ Cherry MX Bkack Switches Corsair CX750M HAF 922 Custom Painted Logitech G502 Proteus Core 
Mouse PadAudioOther
Ratpadz XT EACH G2000 Lamptron FC6 Fan Controller 
CPUMotherboardGraphicsRAM
AMD Phenom II X4 955 Black Edition Deneb 3.2GHz ASUS M4A79T Deluxe AM3 Asus R7 260X OC 2GB G.SKILL Ripjaws Series 6GB (3 x 2GB) 240-Pin DD... 
Hard DriveOptical DriveCoolingOS
>>320GB with a 1TB External<< >>DVD/RW<< Xigmatek Dark Night  >>Windows 7 Ultimate 64bit<< 
MonitorKeyboardCaseMouse
>>22" Westinghouse WS<< CM Storm Devastator MB24 >>Antec 902 w/ Blue LED Fans<< CM Storm Devastator MS2K 
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post #5 of 5
Thread Starter 
Thanks for the advice. I would love to just buy a larger psu however it not currently an option. The reason I consider using 2 is I didn't believe 600w would be enough smile.gif oh I believe this specific kingwin is a superflower made for them/rebranded

Thanks again
Steve
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