Radeon hd 7770 power connectors
- Thread starter miththen
- Start date
Solution
- Apr 22, 2009
- 43,150
- 411
- 131,790
The card itself should only have one 6 pin header on it. Does your PSU have a 6 pin PCIe power cable available? If so, plug it into that.
If not, you are probably using the 6 pin to 4 pin Molex adapters... in which case you would connect the adapter(s) to a matching Molex connector from the PSU.
What size is you PSU and which HD 7770 card are you using.
If not, you are probably using the 6 pin to 4 pin Molex adapters... in which case you would connect the adapter(s) to a matching Molex connector from the PSU.
What size is you PSU and which HD 7770 card are you using.
This is my PSU - This is the link below
http://www.txcesssurplus.com/servlet/the-6058/Dell-R850G-300W-Power/Detail
Although on the website, it says Dell, my desktop is Acer.
I don't know about the length, or width.
My PSU does not have a 6 pin power connector because its only 300w. And I'm using the diamond radon hd 7770 1GB GDDR5 GHz edition. It does have two 4 pin molex cables.
Do you think I should replace my power supply with a 500w PSU?
http://www.txcesssurplus.com/servlet/the-6058/Dell-R850G-300W-Power/Detail
Although on the website, it says Dell, my desktop is Acer.
I don't know about the length, or width.
My PSU does not have a 6 pin power connector because its only 300w. And I'm using the diamond radon hd 7770 1GB GDDR5 GHz edition. It does have two 4 pin molex cables.
Do you think I should replace my power supply with a 500w PSU?
- Apr 22, 2009
- 43,150
- 411
- 131,790
According to the specs listed for that PSU, it only has a single +12V rail that is rated for a meager 18 amps. That isn't enough to comfortably run that graphics card. I would expect it to cause a shut down or re-boot the PC when it got stressed. Yes, for best (and safest) results, you should have a good quality 450W or better PSU. Do you have a budget limit you want to spend on a new PSU?
- Apr 22, 2009
- 43,150
- 411
- 131,790
I have had good experience with several budget builds using this Antec PSU: http://www.newegg.com/Product/Product.aspx?Item=N82E16817371031
Here are some others in that price/power range that you can consider: http://www.newegg.com/Product/ProductList.aspx?Submit=ENE&N=100007657%2050001697%2050001516%2050001459%2050001919%2050002177%2050001669%204026%20600479294%20600479295%20600479296&IsNodeId=1&bop=And&Order=RATING&PageSize=20
Here are some others in that price/power range that you can consider: http://www.newegg.com/Product/ProductList.aspx?Submit=ENE&N=100007657%2050001697%2050001516%2050001459%2050001919%2050002177%2050001669%204026%20600479294%20600479295%20600479296&IsNodeId=1&bop=And&Order=RATING&PageSize=20
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