PCI-Express PSU Power Cable Adapter

  Tinkey Winkey 23:43 26 Sep 2005
Locked

Can you get a PCI-Express adapter cable for older PSUs or do I have to buy a new PSU for PCI-E ?

  ade.h 23:50 26 Sep 2005

Are you talking about a supplimentary Molex connector on a graphics card?? If so, it should be standard, regardless of the card's slot type.

  Tinkey Winkey 00:05 27 Sep 2005

Can I use my old psu for a PCI-E motherboard and graphics card ?

I don't know what PCI-E connectors look like ?

  hzhzhz 00:09 27 Sep 2005

If you mean the 20 to 24 pin adapter, these are available.

  hzhzhz 00:18 27 Sep 2005

Older psu have 20 pins. New pci mobos have 24 pins. When you buy an adapter make sure you get 24 leads to 24 leads NOT 20 leads to 20 leads. The extra 4 leads power the graphics.

  Tinkey Winkey 00:19 27 Sep 2005

I've found one look:-
click here

Stupid question - do both of the 4 pin molex connectors have to be attached to supply enough power to the 6pin PCI-E Graphics connector ?

  Stuartli 00:21 27 Sep 2005

I bought a 500w PSU about two months ago described as suitable for P4/Athlon.

It has the normal 20 pin motherboard connection plus the four-pin adapter in case it is needed.

  Stuartli 00:23 27 Sep 2005

You can also purchase the four-pin adapters to save splashing out on a new PSU (but if you require the superior wattage output it may well prove a better buy).

  GaT7 00:33 27 Sep 2005

Adapters may not be such a good idea, just as Stuartli mentions, "but if you require the superior wattage output it may well prove a better buy". Read post by BigMoFoT at click here. G

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