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Thread: SLI / XFIRE Power Connector

  1. #1
    znarf is offline Junior Member
    Join Date
    Jan 2013
    St. Peterburgs, Russia

    Default SLI / XFIRE Power Connector


    As the title says, does anybody knew about this SLI / XFIRE power connector? I've been reading through the manual of my ASRock Extreme 6GB and it say's

    " It is not necessary to use this connector, but please connect it with a hard disk power connector when two graphics card are plugged to this motherboard".

    which obviously applies to me, I have 2 graphics card in SLI connected to this motherboard and bit confuse of what significant improvement it may result to the performance of my PC if i were to connect hard disk power cable?

    really appreciate if somebody can enlightened me on this.

    thank you,

    ASRock X79 Extreme 6 GB
    i7 3820 OC @ 4.625Mhz
    2 X GTX770 Lightnings
    16GB Hyper X Genesis 1866Mhz
    256Gb Samsung SSD Pro series
    500Gb X 2 HDD WD Blue Caviar
    Corsair H70 Ver. 2

  2. #2
    profJim's Avatar
    profJim is offline Chief Munchkin + moderator
    Join Date
    Dec 2008
    Tacoma, WA. [USA]

    Default Re: SLI / XFIRE Power Connector

    Connecting an additional psu power cable to the appropriate motherboard connecter provides an additional power circuit that can often help to stabilize a multi-gpu setup. This additional power circuit will lower the electrical loads on the existing pci-e power circuits. The overall electrical load on your power supply will remain the same, and all of the pci-e power circuits should be more stable. This is most important when you are running demanding games or encoding videos, especially when you have overclocked your video cards.
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
    Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S

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