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Confusing power plugs on ASUS X99-M WS/SE

post #1 of 3
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Hello peeps!
My X99-M mobo just arrived... I have jammed the CPU in and the RAM... just waiting for a GPU so i could give it a test run.
I was looking over the board, I have noticed it had 2x 8pin ATX plugs and i saw a 6pin plug near the PCIe slot... and of course
everyone thinks its for more PCIe power.
But i just wanted to check in the manual and it says:



So............ all all three plugs for the CPU?!?!
Edited by Steamroller83 - 7/30/16 at 6:48am
post #2 of 3
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CPUMotherboardGraphicsRAM
i7-5930K Haswell-e Asus X99-E WS/USB 3.1 Visiontek Radeon 7870 2GB with 6 miniDisplayports G-Skill Ripjaws 64GB (8x8GB) DDR4 2133 
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Samsung 850 EVO 4TB SSDs Samsung 950 Pro 512GB m.2 SSD boot drive Noctua NH-D15S Cpu cooler Win 7 Ultimate 
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Corsair AX760 Scratch built. Currently under construction at ... Logitech M525 El Cheapo Allsop hard plastic 
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i7-3930k ASUS P9X79 WS MSI R7850 Twin Frozr 2GD5/OC Radeon HD 7850 2GB... Monoprice 1x2 powered HDMI Splitter 
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Kingston HyperX 32GB (8 x 4GB) 240-Pin DDR3 SDR... 128GB Samsung 840 Pro SSD 4TB Samsung 850 EVO SSD 4TB Samsung 850 EVO SSD 
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4TB Samsung 850 EVO SSD 4TB Samsung 850 EVO SSD LG 12X BD-ROM 16X DVD-ROM 48X CD-ROM SATA Inter... COOLER MASTER GeminII S524 120mm Long Life Slee... 
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Windows 7 Ultimate 3 x Asus VG248QE Vizio VO320E 32" TV Logitech G510s 
PowerCaseMouseAudio
Corsair HX750W Antec Two Hundred v2 Logitech M525 with Unifying Receiving Corsair SP2500 2.1 Speakers 
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ASUS Xonar Essence STX Virtual 7.1 Channels 24-... LSI 9211-8i HBA card HooToo® HT-CR001 3.5" PCI-E to USB 3.0 Multi-in... StarTech HSB220SAT25B 2 Drive 2.5in Trayless Ho... 
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CPUMotherboardGraphicsRAM
i7-5930K Haswell-e Asus X99-E WS/USB 3.1 Visiontek Radeon 7870 2GB with 6 miniDisplayports G-Skill Ripjaws 64GB (8x8GB) DDR4 2133 
Hard DriveHard DriveCoolingOS
Samsung 850 EVO 4TB SSDs Samsung 950 Pro 512GB m.2 SSD boot drive Noctua NH-D15S Cpu cooler Win 7 Ultimate 
PowerCaseMouseMouse Pad
Corsair AX760 Scratch built. Currently under construction at ... Logitech M525 El Cheapo Allsop hard plastic 
CPUMotherboardGraphicsGraphics
i7-3930k ASUS P9X79 WS MSI R7850 Twin Frozr 2GD5/OC Radeon HD 7850 2GB... Monoprice 1x2 powered HDMI Splitter 
RAMHard DriveHard DriveHard Drive
Kingston HyperX 32GB (8 x 4GB) 240-Pin DDR3 SDR... 128GB Samsung 840 Pro SSD 4TB Samsung 850 EVO SSD 4TB Samsung 850 EVO SSD 
Hard DriveHard DriveOptical DriveCooling
4TB Samsung 850 EVO SSD 4TB Samsung 850 EVO SSD LG 12X BD-ROM 16X DVD-ROM 48X CD-ROM SATA Inter... COOLER MASTER GeminII S524 120mm Long Life Slee... 
OSMonitorMonitorKeyboard
Windows 7 Ultimate 3 x Asus VG248QE Vizio VO320E 32" TV Logitech G510s 
PowerCaseMouseAudio
Corsair HX750W Antec Two Hundred v2 Logitech M525 with Unifying Receiving Corsair SP2500 2.1 Speakers 
AudioOtherOtherOther
ASUS Xonar Essence STX Virtual 7.1 Channels 24-... LSI 9211-8i HBA card HooToo® HT-CR001 3.5" PCI-E to USB 3.0 Multi-in... StarTech HSB220SAT25B 2 Drive 2.5in Trayless Ho... 
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post #3 of 3
EATX12V & EATX12V1 are for CPU power. One of them (doesn't matter which one) is mandatory while the second one is optional. The second connector exists so that the per connector load (and voltage drop) stays within spec, in extremely high load scenarios. Only few consumer motherboards have two EPS12V connectors and this board is one of them. Each of these connectors can handle 430W minimum (9A per contact @ 12V).

"EATX12V_1" meanwhile is mislabeled in the manual as it accepts the standard 6-pin PCI-E power connector. This connector is used to feed the PCI-E slots.
Edited by The Stilt - 7/30/16 at 11:04pm
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