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ATI Radeon 4870 X2 Installation

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Quick question about the installation of the ATI Radeon 4870 X2 graphics card...

I have a Enermax ELT620AWT PSU, the 2 connectors I currently have for my old graphics card are both 3-pin, but the new ATI Radeon card itself seems to have a 3-pin socket and a 4-pin socket.

My question is, am I ok plugging in my previous two 3-pin power cables, or do I need to connect a 4-pin cable into the 4-pin socket?

The 3-pin cable fits the 4-pin socket on one side no problem. But I daren't turn it on just in case...

Thanks :rolleyes:
 
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Hmm, I'm getting a general vibe around the net that using a converter would be possible, but not recommended. Something about 6-pin being 75W and 8-pin being 150W.
That's not really true, the two extra pins are only grounds anyway. I guess it's that PSUs with native 8-pins are engineered to support more power being drawn on those cables.

I ran a 4870X2 off a 700W with 1 6-pin and another 6-pin with a 6-pin to 8-pin converter on with no ill effects for a while.
 
my enermax liberty 620w has 1 6 pin and 1 8 pin

contact enermax see if they will give you the newer model to work with your card.

I have enermax PSU's in all my rigs and have found there support superb.
 
If the 6->8pin convertor wasn't recommended, would they even provide it in the first place?


I've not read anything about the cables being different voltages, just that the 2 extra pins are grounds, which you can botch from another cable with that type of connection.
 
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If the 6->8pin convertor wasn't recommended, would they even provide it in the first place?


I've not read anything about the cables being different voltages, just that the 2 extra pins are grounds, which you can botch from another cable with that type of connection.

That's just it, an adapter wasn't provided with this MSI one.

Better to be safe than sorry though with something costing this much :)
 
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