Searching a solution for plug in my graphic card with my PSU

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Stephan_6

Commendable
Jul 9, 2016
16
0
1,510
Hi,

I've got an old PC that I wish to sell. I kept my PSU for my new computer and bought a used PSU to someone.
I've put the motherboard and CPU. Problem : My old RADEON HD 5850 need 2x 6 PCI express pins connectors and the PSU (550 W), doesn't have them.
So I've bought an adaptor Molex/PCI.
2nd problem : It needs 2 molex entry for 1 PCI express. I need 2 PCI express for the GPU but don't have 4 Molex coming from my PSU...

Any idea how can I found a solution in order to use this graphic card with my PSU ?

Thx for your help,
 
Solution
13thmonkey
in which case I strongly advise you to get a new PSU that can actually cope.

That radeon was top end in a era when power usage was higher, not too bad maybe 150W. BUT that PSU is not SLI capable, they don't even list the amps on the 12V rail. It will not be capable of 550W, i'd suggest 300-350 max.

Note where this 850W unit fails. http://www.hardwareinsights.com/wp/the-2013-el-cheapo-power-supply-roundup/6/#Cooler-Power-GX850

Also note that they are blatantly copying cooler master, look at the logos and the model names.

I wouldn't run anything on that PSU.
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Stephan_6

Commendable
Jul 9, 2016
16
0
1,510


Thx. I will try this !
 
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S

Stephan_6

Commendable
Jul 9, 2016
16
0
1,510


It's a cool Power GX550 eXtreme power. I think it's more than enough for a Phenom II X6 1090T, a Radeon HD 5850 and a SSD.

Don't you think ?
 
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13thmonkey

13thmonkey

Titan
Jan 10, 2006
24,798
350
75,790


if this is your PSU http://www.coolermaster.com/powersupply/gx-series/gx-550w/ then you have 2x 6+2 PCI-E connectors.

The reason that this is being questioned, is that if they don't have the connectors it's usually for a very good reason.
 
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S

Stephan_6

Commendable
Jul 9, 2016
16
0
1,510


no. It's this one : http://www.pc-tek.com.au/computers/pc-accessories/computer-parts-accessories/power-supplies/550w-atx-sata-nvidia-sli-extreme-power-supply-80-plus-game-computer-pc-case-psu
 
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13thmonkey

13thmonkey

Titan
Jan 10, 2006
24,798
350
75,790
in which case I strongly advise you to get a new PSU that can actually cope.

That radeon was top end in a era when power usage was higher, not too bad maybe 150W. BUT that PSU is not SLI capable, they don't even list the amps on the 12V rail. It will not be capable of 550W, i'd suggest 300-350 max.

Note where this 850W unit fails. http://www.hardwareinsights.com/wp/the-2013-el-cheapo-power-supply-roundup/6/#Cooler-Power-GX850

Also note that they are blatantly copying cooler master, look at the logos and the model names.

I wouldn't run anything on that PSU.
 
Upvote 0 Downvote
Solution
maxalge

maxalge

Champion
Ambassador
May 31, 2012
13,373
4
56,960


>.> that is blatant evil
 
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