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Thread: SLI and Corsair 620W

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    SLI and Corsair 620W

    Hi All,

    I've just finished hooking together my new gaming rig, included within which I have bought an nVidia 8800GTX and also a Corsair HX620 PSU.

    During the installation I noticed that the PSU (which is modular by the way) has two outputs and associated cables for PCIe. The 8800GTX has two power inputs which need to be connected up to these, so no problem so far.

    My question is... If (big If at the minute!) I were to buy another 8800GTX card and run them in SLi mode. How is the Corsair supposed to power the second card, or do I put one power lead to each?

    Barry

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    I would say you first need a bigger psu

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    radix lecti dave87's Avatar
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    • dave87's system
      • Motherboard:
      • Asus
      • CPU:
      • i5 3470k under Corsair H80 WC
      • Memory:
      • 8gb DDR3
      • Storage:
      • 240gb SSD + 120gb SSD
      • Graphics card(s):
      • Asus HD7950
      • PSU:
      • XFX 600w Modular
      • Case:
      • Lian Li PC-A05FNB + Acoustipack
      • Operating System:
      • Windows 10 Pro
      • Monitor(s):
      • 2x Dell S2309W (1920x1080)
      • Internet:
      • BT Infinity Option 2
    The HX620 should work, though it hasn't officially got 8800gtx SLi certification.

    You'd need to buy molex to PCI-e Power adaptors, and it should be fine

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    Quote Originally Posted by dave87 View Post
    The HX620 should work, though it hasn't officially got 8800gtx SLi certification.

    You'd need to buy molex to PCI-e Power adaptors, and it should be fine

    Really, so being sold as SLi ready may only apply to certain models of nVidia cards?

    Cheers for the info about the molex adapters.

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    Quote Originally Posted by Metier9 View Post
    I would say you first need a bigger psu
    Now now, don't be rubbishing my brand new PSU already!

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    Flat cap, Whippets, Cave. Clunk's Avatar
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    Quote Originally Posted by bardel View Post
    Really, so being sold as SLi ready may only apply to certain models of nVidia cards?
    Aye.
    Quote Originally Posted by Blitzen View Post
    stupid betond belief.
    You owe it to yourself to click here really.

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    Quote Originally Posted by Clunk View Post
    Aye.
    bugger, is that on the nvidia site somewhere?

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    Quote Originally Posted by bardel View Post
    Now now, don't be rubbishing my brand new PSU already!
    Im guessing the rest of your rig isnt exactly low end I meant with 2 8800 GTXs running, but i dont know anyone running that sort of set up *shrugs*

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    radix lecti dave87's Avatar
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    • dave87's system
      • Motherboard:
      • Asus
      • CPU:
      • i5 3470k under Corsair H80 WC
      • Memory:
      • 8gb DDR3
      • Storage:
      • 240gb SSD + 120gb SSD
      • Graphics card(s):
      • Asus HD7950
      • PSU:
      • XFX 600w Modular
      • Case:
      • Lian Li PC-A05FNB + Acoustipack
      • Operating System:
      • Windows 10 Pro
      • Monitor(s):
      • 2x Dell S2309W (1920x1080)
      • Internet:
      • BT Infinity Option 2
    Quote Originally Posted by Metier9 View Post
    Im guessing the rest of your rig isnt exactly low end I meant with 2 8800 GTXs running, but i dont know anyone running that sort of set up *shrugs*
    I do. (points to DR's rig)

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    Cheeky!

    Quote Originally Posted by Metier9 View Post
    Im guessing the rest of your rig isnt exactly low end I meant with 2 8800 GTXs running, but i dont know anyone running that sort of set up *shrugs*

    Oi, my PSU isn't low end either, cost me nearly 100 squids!

    Ooo you just reminded me, I can update "My System" in the avatar now, so I don't have to explain what I've got now I've got it, there you go, done.

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    Quote Originally Posted by bardel View Post
    Oi, my PSU isn't low end either, cost me nearly 100 squids!

    Ooo you just reminded me, I can update "My System" in the avatar now, so I don't have to explain what I've got now I've got it, there you go, done.
    I meant the wattage my 430W was 80 - 85 squid as well

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    radix lecti dave87's Avatar
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    • dave87's system
      • Motherboard:
      • Asus
      • CPU:
      • i5 3470k under Corsair H80 WC
      • Memory:
      • 8gb DDR3
      • Storage:
      • 240gb SSD + 120gb SSD
      • Graphics card(s):
      • Asus HD7950
      • PSU:
      • XFX 600w Modular
      • Case:
      • Lian Li PC-A05FNB + Acoustipack
      • Operating System:
      • Windows 10 Pro
      • Monitor(s):
      • 2x Dell S2309W (1920x1080)
      • Internet:
      • BT Infinity Option 2
    [OT] How did you set up 10mb Cable & ADSL with load balancing? Short of a stupidly expensive router? [/OT]

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    Quote Originally Posted by dave87 View Post
    [OT] How did you set up 10mb Cable & ADSL with load balancing? Short of a stupidly expensive router? [/OT]
    Yep with a router, Linksys RV082 not too expensive. About £160 now I think.

    I got it because it hashardware VPN built in (reliable VPN not chocolate tea pot VPN) which I need as I work from home with a colleague (at his home) and we have our systems linked via VPN and wanted something that would remain connected permanently.

    The router has loads of configurability you can send traffic from different source addresses / ports down dictated internet connections or leave them unspecified and it will choose the "quietest" route.

    The router has also been very stable and the VPN has never required any attention.

    The only downside I'd say is that it's possible for the router to switch traffic which can result in lost session data which can play havoc with internet banking / shopping sites. So I've configured mine to default all desktop traffic down one channel and server traffic down my fixed ip channel.

    Sorry for the waffle!

  14. #14
    radix lecti dave87's Avatar
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    • dave87's system
      • Motherboard:
      • Asus
      • CPU:
      • i5 3470k under Corsair H80 WC
      • Memory:
      • 8gb DDR3
      • Storage:
      • 240gb SSD + 120gb SSD
      • Graphics card(s):
      • Asus HD7950
      • PSU:
      • XFX 600w Modular
      • Case:
      • Lian Li PC-A05FNB + Acoustipack
      • Operating System:
      • Windows 10 Pro
      • Monitor(s):
      • 2x Dell S2309W (1920x1080)
      • Internet:
      • BT Infinity Option 2
    Fair enough, its just a shame I can't get Cable next year, as that sounds like the perfect solution to the heavy Uni household use

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    Quote Originally Posted by dave87 View Post
    Fair enough, its just a shame I can't get Cable next year, as that sounds like the perfect solution to the heavy Uni household use
    Doesn't have to be cable would work with two ADSL lines at 8MB each?

  16. #16
    radix lecti dave87's Avatar
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    • dave87's system
      • Motherboard:
      • Asus
      • CPU:
      • i5 3470k under Corsair H80 WC
      • Memory:
      • 8gb DDR3
      • Storage:
      • 240gb SSD + 120gb SSD
      • Graphics card(s):
      • Asus HD7950
      • PSU:
      • XFX 600w Modular
      • Case:
      • Lian Li PC-A05FNB + Acoustipack
      • Operating System:
      • Windows 10 Pro
      • Monitor(s):
      • 2x Dell S2309W (1920x1080)
      • Internet:
      • BT Infinity Option 2
    That would mean 2 phone lines

    The idea would have been cable+telly and phone+adsl, both of which we can get package deals on. But due to my house for next year being on a shiny new development, (its still being built - we will be the first ones in) the Cable stops at the end of the road

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