GPU Connector

gavo01 · 10-10-2009, 03:11 AM

Just purchased a Radeon 4770 GPU but I have a question regarding the 6 pin power connector that comes with the card.

The other end of the connector is 3 pin whereas my PSU have 4 pins and while I have no doubt this will fit I will be left with 1 outstanding pin.

Will this make any difference regarding power or performance and if so will I have to purchase a 6 pin to 4 pin connector?

**wrench97** · 10-10-2009, 04:55 AM

If you need to use the adapter it usually means your power supply is not large enough, the HD4770 uses the amount of power as a HD4850 under load and requires at least a 600w power supply, I usually use a Corsair 650TX with them.
What brand and model PSU do have?

The adapter only has 3 wires because the card only needs the 12v from the plug not the 5v that is supplied in the red wire.

gavo01 · 10-10-2009, 05:22 AM

Not sure of the model as I am at work at the mo, but the power supply is 450W.

**wrench97** · 10-10-2009, 07:58 AM

A 450w unit is going to be too small for the long run
http://www.newegg.com/Product/Produc...9005&Tpk=650tx

gavo01 · 10-10-2009, 08:12 AM

Quote:

Originally Posted by wrench97

A 450w unit is going to be too small for the long run

Meaning its ok for now but get a replacement sooner rather than later??

**wrench97** · 10-10-2009, 09:46 AM

Very soon, under powering can lead to damaged components.

10-10-2009, 03:11 AM	#1 (permalink)
gavo01 Registered User Join Date: Sep 2009 Posts: 9 OS: WinXP SP3	GPU Connector Just purchased a Radeon 4770 GPU but I have a question regarding the 6 pin power connector that comes with the card. The other end of the connector is 3 pin whereas my PSU have 4 pins and while I have no doubt this will fit I will be left with 1 outstanding pin. Will this make any difference regarding power or performance and if so will I have to purchase a 6 pin to 4 pin connector?

10-10-2009, 04:55 AM	#2 (permalink)
wrench97 Moderator, Hardware Team Join Date: May 2008 Location: S.E. Pennsylvania Posts: 18,865 OS: Win7	Re: GPU Connector If you need to use the adapter it usually means your power supply is not large enough, the HD4770 uses the amount of power as a HD4850 under load and requires at least a 600w power supply, I usually use a Corsair 650TX with them. What brand and model PSU do have? The adapter only has 3 wires because the card only needs the 12v from the plug not the 5v that is supplied in the red wire. __________________ Power Supply and Selection

10-10-2009, 05:22 AM	#3 (permalink)
gavo01 Registered User Join Date: Sep 2009 Posts: 9 OS: WinXP SP3	Re: GPU Connector Not sure of the model as I am at work at the mo, but the power supply is 450W.

10-10-2009, 07:58 AM	#4 (permalink)
wrench97 Moderator, Hardware Team Join Date: May 2008 Location: S.E. Pennsylvania Posts: 18,865 OS: Win7	Re: GPU Connector A 450w unit is going to be too small for the long run http://www.newegg.com/Product/Produc...9005&Tpk=650tx __________________ Power Supply and Selection

10-10-2009, 09:46 AM	#6 (permalink)
wrench97 Moderator, Hardware Team Join Date: May 2008 Location: S.E. Pennsylvania Posts: 18,865 OS: Win7	Re: GPU Connector Very soon, under powering can lead to damaged components. __________________ Power Supply and Selection