GTX 560 connector problem

[BACONFOIL]

Hi, I have purchased a GTX560, which requires 2 x 6-pin PCI express power connectors be connected to the system power supply.

My PC has two 5 pin SATA connectors free, can i just buy an adaptor that converts a 5 pin SATA to either:

5 pin SATA to 6 pin PCI express power

or

5 pin SATA to 2 x LP4 (then using the 6 pin to 2 x LP4 power adaptors included)

Thanks

[BACONFOIL]

also quick note - the two 5 pin sata connectors are coming out of the PCU

[edDV]

What model power supply?

It seems underpowered for a GTX-5xx or it would have those connectors.

According to this review, a GTX-570 draws 162W at idle and 371W when stressed.
http://www.techspot.com/review/346-gigabyte-geforce-gtx-570/page11.html

That is why the display card wires are heavy gauge not the thin wires connecting the 5W SATA drive.


BTW: my entire computer draws less than 130W at idle and peaks around 220W. Oh, and that includes a 23" Monitor.

[BACONFOIL]

Your right just checked power supply and got a 600 watt, which should do the job, great forum guys thanks. Ps live chat on nvidia is terrible hehe

[edDV]

Your right just checked power supply and got a 600 watt, which should do the job, great forum guys thanks. Ps live chat on nvidia is terrible hehe

A 600 Watt PS should have SLI Power connectors.

[Noahtuck]

I have 2 - EVGA SuperClocked 560GTX in my system & just 1 recommends a

Minimum of a 450 power supply. (Minimum recommended power supply with +12 Volt current rating of 24 Amps.)

And one card comes with 2 - Two 4-pin Molex to One 6-pin PCI Express connector.



So you would need 4 free sata connectors.



But will your PSU handle the power it requires, as you have not stated what PSU you have.

[Noahtuck]

Your right just checked power supply and got a 600 watt, which should do the job, great forum guys thanks. Ps live chat on nvidia is terrible hehe

A 600 Watt PS should have SLI Power connectors.

Should but they all don't, espc. a stock prebuilt system.

And not anywhere near do all 450 watt PSU's have a 12+ rail with a 24amp rating or even larger PSU's.
I have looked at TONS of aftermarket PSU's over the last few months.

And that still does not mean all 600 watt PSU's can handle the power draw.

What model is it ?
What are the specs of the PSU ?
System ?
Etc.

[edDV]

24 AMPS in tiny wires can burn your house down.

Actually

371 Watt / 12 VDC = 31 Amps.

Go look at the battery cable in your car.

[Noahtuck]

Well, we are not talking about house wires running 120v.

I am running an Ultra X4 1000watt PSU.
http://www.ultraproducts.com/applications/SearchTools/item-details.asp?EdpNo=6078408&Sku=U12-40841

+3.3V: 24A
+5V: 30A
+12V 1: 75A
-12V: 0.5 A
+5VSB: 3A

Which is MUCH higher than what is required for 2 GTX560's let alone one.


And the specs for the GTX 560 are here,
http://www.newegg.com/Product/Product.aspx?Item=N82E16814130664

Although i did find this,
http://www.newegg.com/Product/Product.aspx?Item=N82E16812198026

But will his power supply handle the power draw having two MOLEX connectors running off one sata power plug into one 6 pin PCIE power plug ?
X2!!

[edDV]

Well, we are not talking about house wires running 120v.

Never clear how power consumption is specified as AC power consumed or a DC amps delivered to the boards. Switching power supplies can be efficient or not.

The Amps delivered at 12v follow a variation of Ohms Law. Power in watts = V x A, so

371 Watts @ 12VDC = 371/12 = 31 Amps which is almost enough to start a car.

If we were talking house voltage at 120 VAC

371 Watts @ 120 VAC = 3.1 Amps

[Noahtuck]

I am just stating the specs of the hardware with links, the point is, will HIS psu handle the power requirements.......

[aedipuss]

if it's a cheap 600 watt ps it will have multiple 12v rails and it would need leads from more than one group of power lines to the video card or it might burn up the ps.

[edDV]

if it's a cheap 600 watt ps it will have multiple 12v rails and it would need leads from more than one group of power lines to the video card or it might burn up the ps.

The new cards use 6pin , 6pin+2 or 8pin connectors that do connect wire by wire to multiple rails. If you connect all that to a single pair of wires, you force all the current to that one wire and one rail. It may be possible to split the load to two rails with a custom harness.

6pin


8pin


The GTX-570 uses both an eight pin and a six pin power connector.
Not sure if you need both or either.


This test showed non-overclock power consumption range from 120W to 237W using FurMark Stress test. Overclocked with fan at max speed they hit 297W. That would be 25A on the 12VDC bus (plus motherboard+disks etc).

http://www.geeks3d.com/20110217/asus-geforce-gtx-570-directcu-ii-review-test-overclocking/6/

It's not about Watts its about amps per wire.

[Noahtuck]

The GTX-570 uses both an eight pin and a six pin power connector.
Not sure if you need both or either.

Well, seeing as his first sentence in his first post said,

Hi, I have purchased a GTX560, which requires 2 x 6-pin PCI express power connectors be connected to the system power supply

not to mention the title of his thread,

GTX 560 connector problem

Yet you keep going on about the GTX 570 ??
Not to mention other things....

Every GTX 560 i have seen, regardless of who made it, only uses 2 - 6 pin power connections.

Yet again, you are either trying to over complicate things, or trying to show off that you think you know more than the actual manufacturers of hardware......

Or maybe they are all lying ?

And multiple 12v rails are better than a single 12v rail in a PSU ??

[edDV]

The GTX-570 uses both an eight pin and a six pin power connector.
Not sure if you need both or either.

Well, seeing as his first sentence in his first post said,

Hi, I have purchased a GTX560, which requires 2 x 6-pin PCI express power connectors be connected to the system power supply

not to mention the title of his thread,

GTX 560 connector problem

When this thread started the op had "GTX-500" in the title and was trying to run the card off a single (or double not clear) wire pair hard disk cable. He said there was no 6 pin connector. There is no GTX-500 so I picked one. Since then he has edited the title. Running a GTX-5xx off two 12vdc wire pairs will eventually result in burned out connectors or a failed rail. Similar to running a stove off a household extension cord.

PS: The GTX-560 has a 150 Watt +12vdc spec. That requires two of the 6 pin connectors.

[edDV]

Yet you keep going on about the GTX 570 ??
Not to mention other things....

Every GTX 560 i have seen, regardless of who made it, only uses 2 - 6 pin power connections.

Yet again, you are either trying to over complicate things, or trying to show off that you think you know more than the actual manufacturers of hardware......

Or maybe they are all lying ?

And multiple 12v rails are better than a single 12v rail in a PSU ??

What are you adding to the solution? How is Ohms law too complicated for a frick'n gamer?

The manufacturers of the hardware expects an appropriate ATX12v 2.x power supply to be used.
http://en.wikipedia.org/wiki/ATX

ATX12V v2.1 - Two 12vdc rails. One for mobo and one for everything else (75 Watt limit on second rail). 6pin connector added for display card. Additional rails not specified (left to manufacturer).
6pin connector is spec'd 75 Watt max

ATX12V v2.2 - 8 pin connector added, and 12vdc rail power capacity doubled to 150Watt (12.5 Amps total)
8pin connector is spec'd ~150 Watt max <<< need to research this more.

ATX12V v2.3 - Energy Star 4.0 mandates increased power efficiency. 12vdc rail designs allowed to exceed 20A.

So we can conclude from that the OP's supply isn't even ATX12V v2.1 and should be replaced. The GTX-560 will overload the supply. The supply will either current limit 12vdc or destroy itself.


PS: a useful guideline from the wiki ATX link

It is not recommended to use ATX12V 1.x PSUs on ATX12V 2.x motherboards because those systems require much more power on 12 V, and much less on 3.3 V/5 V than ATX12V 1.x PSUs provide.