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  • #1

    Redundant PSU?

    Hi.

    You know those redundant PSUs... when they say 2 x 300w, does that mean 600w power in total (used concurrently) or is it 300w max (use 2nd one only if main one failed)?

    And, what size are they in general? Would that fit ATX cases?

    Many thanks.
    P4 Northwood 1.8GHz@2.7GHz 1.65V Albatron PX845PEV Pro
    Running two Dell 2005FPW 20" Widescreen LCD
    And of course, Matrox Parhelia | My Matrox histroy: Mill-I, Mill-II, Mystique, G400, Parhelia
    Tags: None
  • #2
    it means 300w with a backup in case the primary fails
    "Be who you are and say what you feel, because those who mind don't matter, and those who matter don't mind." -- Dr. Seuss

    "Always do good. It will gratify some and astonish the rest." ~Mark Twain

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    • #3
      Too bad for me
      I guess that's why it ain't so popular in the overclockers' world...

      And yea, I just found out a PS2 redundant PSU would fit ATX cases (slightly deeper).
      P4 Northwood 1.8GHz@2.7GHz 1.65V Albatron PX845PEV Pro
      Running two Dell 2005FPW 20" Widescreen LCD
      And of course, Matrox Parhelia | My Matrox histroy: Mill-I, Mill-II, Mystique, G400, Parhelia

      Comment

      • #4
        I ended up slapping in an additional (non redundent) 400w (identical elcheapo) PS in my system to keep up with it's demands

        2x400w=800w or IMHO ~600w

        Still not bad for a $60 investment and fits fine in my InWin Q500 full tower
        "Be who you are and say what you feel, because those who mind don't matter, and those who matter don't mind." -- Dr. Seuss

        "Always do good. It will gratify some and astonish the rest." ~Mark Twain

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        • #5
          did you use diodes Greebe?

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          • #6
            I'd like to get my hands on some control circutry for using two standard psu's as redundant
            Juu nin to iro


            English doesn't borrow from other languages. It follows them down dark alleys, knocks them over, and goes through their pockets for loose grammar.

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            • #7
              atm they are hard wired together... but would never use diodes (voltage drop would be a major issue)

              Tho am digging through my parts for some bias resistors of ~0.33ohm value so that both would supply the current equally
              "Be who you are and say what you feel, because those who mind don't matter, and those who matter don't mind." -- Dr. Seuss

              "Always do good. It will gratify some and astonish the rest." ~Mark Twain

              Comment

              • #8
                Could you post a diagram?
                If there's artificial intelligence, there's bound to be some artificial stupidity.

                Jeremy Clarkson "806 brake horsepower..and that on that limp wrist faerie liquid the Americans call petrol, if you run it on the more explosive jungle juice we have in Europe you'd be getting 850 brake horsepower..."

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                • #9
                  what about schottkies & or tweaking up the voltages inside the PSU's?.

                  I want to add another PSU, but I have not found a way of doing it that I feel comfortable with. perhaps running all my HDDs/cdrom off one psu, and the board of the other?

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                  • #10
                    I'm sure one of the big e-retailers in the UK were selling a PCB/loom for joining two PSU's together simultaneously. I'll have a dig around later today if I can find the time. The circuit has been posted on here somewhere too.

                    T.
                    FT.

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                    • #11
                      homepage.seo.open_graph_title
                      https://www.overclockers.co.uk
                      Leading the way in bespoke PC systems and PC gaming, any and all of your components & peripherals needs are met with our vast range of products and services.


                      posted on moddin.net i think.
                      P4 Northwood 1.8GHz@2.7GHz 1.65V Albatron PX845PEV Pro
                      Running two Dell 2005FPW 20" Widescreen LCD
                      And of course, Matrox Parhelia | My Matrox histroy: Mill-I, Mill-II, Mystique, G400, Parhelia

                      Comment

                      • #12
                        That's the one



                        404 Page Not Found | Overclockers UK | OcUK
                        http://www.overclockers.co.uk/acatalog/Online_Catalogue_Case_Related_Accessories_36.html
                        Leading the way in bespoke PC systems and PC gaming, any and all of your components & peripherals needs are met with our vast range of products and services.


                        Cheers

                        T.
                        FT.

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                        • #13
                          Is it possible to use a Compaq ProLiant redundant PSU into a standard PC? Size is not a concern.

                          Anyone has practical experience with them? Just want to know whether the connectors fit...
                          P4 Northwood 1.8GHz@2.7GHz 1.65V Albatron PX845PEV Pro
                          Running two Dell 2005FPW 20" Widescreen LCD
                          And of course, Matrox Parhelia | My Matrox histroy: Mill-I, Mill-II, Mystique, G400, Parhelia

                          Comment

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