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PCI-E x16 Power

post #1 of 7
Thread Starter 
Hey all, i need a little guidance. My new motherboard only has PCI-E. For some reason ive got the idea that it needs its own power from the PSU, with its own connector. Is this true. If so, could you help me choose a compatible PSU
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post #2 of 7
A pci-e motherboard is just like all others. The PCI-e video you get or have may need a power. My 6800gt oc needs more power so I have a cable that hooks right to the video card
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post #3 of 7
Thread Starter 
thanks for clearing that up

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Intel Q6600 @ 2.6 Ghz I forget. nVidia 8400 2GB DDR2 
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CPUMotherboardGraphicsRAM
Intel Q6600 @ 2.6 Ghz I forget. nVidia 8400 2GB DDR2 
Hard DriveOptical DriveOSMonitor
1x320GB, 1x750GB CD/DVD+-RW Windows Vista Ultimate SP1 & Arch Linux 64bit 19inch Acer X193W 
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Logitech UltraSlim Pathetic 350w Cube 2 Quid Bargain Bin Thing 
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post #4 of 7
I will also say that you can never go wrong upgrading the a better PSU. Thank of the PSU as the heart of a PC. The better the PSU is the better it will run in terms of more stable 12 volt rails
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post #5 of 7
yep, as already stated some pcie cards require their own additional power since the mobo can't supply enough power to it.

the only instance that I know of where the mobo actually requires extra power is my board. the Asus A8N-SLI series. the board has a molex plug right above the first pcie slot... called ez-plug. it supplies a little extra juice when you're running SLI.

one thing I would note... most newer mobos that have pcie also require a 24pin atx psu. so it would be best to upgrade your psu to an atx2 complient psu that also has at least one pcie plug.
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post #6 of 7
The DFI NF4 series boards also require extra power pluggs for PCI-E. It needs an extra molex and a floppy connector.
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post #7 of 7
Thats true, mine needs a 24pin atx, 4pin p4 connector and an extra molex for the PCI-E
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devil's canyon
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presler
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CPUMotherboardGraphicsRAM
i7-4790K Gigabyte Z97 MX-G5 ZOTAC 1060 AMP! 6Gb 16gb Corsair Vengeance 2400 
Hard DriveHard DriveCoolingCooling
ADATA 128Gb NVMe Seagate Video 500Gb Phobya UC-2LT Plexi XSPC X4 Tank Combo 
CoolingCoolingOSMonitor
Nexxxos XT45 280 2x AC F14 PWM Win 10 Pro BenQ GL2250HM 
KeyboardPowerCaseMouse
Cherry compact Corsair CX750M Bitfenix Pandora Core Corsair Sabre RGB 
AudioOther
Realtek ALC1150 Aten CS682 KVM 
CPUMotherboardGraphicsRAM
Pentium D 915  Dell USFF Intel GMA 950 4gb Corsair ddr2 
Hard DriveOptical DriveCoolingCooling
WD Caviar 80gb sata II  Slim dvd rw Stock Copper Heatpipe  2x 60mm Sunnon fans 
OSMonitorKeyboardPower
XP sp2 BenQ GL2250HM Logitech k400 220W external 
CaseMouseAudio
Optiplex USFF w/ cable cover Logitech k400 Onboard SoundMAX 
CPUMotherboardGraphicsRAM
Core2Etreme QX6800  ASUS P5K Asus Turbo GTX960 OC 8gb NANYA DDR2 800 
Hard DriveHard DriveOptical DriveCooling
4x 1TB 3.5" 160GB 2.5" Asus BC-12D2HC CM TX3i 
CoolingOSMonitorKeyboard
4x Arctic F8 80mm Win 10 Pro BenQ GL2250HM Venom warrior mech. 
PowerCaseMouseMouse Pad
Cougar 650w Lian Li PC70 Corsair Sabre RGB venom gaming surface 
AudioOtherOtherOther
Realtek onboard Aten CS682 KVM Netgear gs105 switch 2x Silicon Image SIL3124 sataII cards 
Other
Lamptron FC6 
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