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Does HX620W support 3x nVidia 8600GTS cards?


ELW

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Questions:

 

1) Can an HX620W power supply support three nVidia 8600GTS video cards?

 

2) Is it a requirement to supply power to the 6-pin PCIe connector on the video card. In other words, can I leave the 6-pin PCIe connector disconnected?

 

3) I believe the HX620W kit only provides two 6-pin PCIe power cables -- therefore, the HX620W appears to support only two video cards of this type. Will this be a problem for this configuration, and, if so, is there a solution?

 

Information:

 

The motherboard is an Asus P5E3 Deluxe with two PCIe2.0 x16 slots and one PCIe x16 (x4 speed) slot.

 

The video cards are three MSI nVidia 8600GTS PCIe x16.

 

Each video card has a 6-pin PCIe connector.

 

I read that the power consumption of the nVidia 8600GTS is 71 watts. I believe each PCIe x16 slot provides 75 watts; so, I would think the power from the slot would be enough without needing power from the 6-pin PCIe power supply cable.

 

MSI card specs:

 

http://www.msicomputer.com/product/p_spec.asp?model=NX8600GTS-T2D512EZ-HD&class=vga

 

Pic of the card's 6-pin PCIe connector:

 

http://www.newegg.com/Product/ShowImage.aspx?CurImage=14-127-287-04.jpg&Image=14-127-287-09.jpg%2c14-127-287-02.jpg%2c14-127-287-03.jpg%2c14-127-287-04.jpg%2c14-127-287-05.jpg%2c14-127-287-06.jpg%2c14-127-287-07.jpg%2c14-127-287-08.jpg&S7ImageFlag=0&WaterMark=1&Depa=0&Description=MSI+GeForce+8600GTS+NX8600GTS-T2D256EZ+HD+Video+Card

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my hx620 comes with 2 pci express cables, but the graphic cards come with a 4pin x 2 >>> pci-e extension so it shouldn't be a problem for the 3rd.

and yes if the graphic card has a plug for pci-e then it needs it. I remember one time i forgot to reconnect the pci-e for my 8800gts, and my ears were pierced by the screaching noise it made...

great power supply by the way!

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Questions:

 

1) Can an HX620W power supply support three nVidia 8600GTS video cards?

Yes

 

2) Is it a requirement to supply power to the 6-pin PCIe connector on the video card.

Yes

 

In other words, can I leave the 6-pin PCIe connector disconnected?

No

 

3) I believe the HX620W kit only provides two 6-pin PCIe power cables -- therefore, the HX620W appears to support only two video cards of this type. Will this be a problem for this configuration, and, if so, is there a solution?

There are upgraded 6-pin + 6+2-pin PCIe cables for the HX series for a total of two PCIe connectors on each cable. You can email Ramguy@corsairmemory.com with the subject line ATT: Ramguy, and be sure to include your name, phone number and address, along with your request. Otherwise call Corsair customer service directly at 888-222-4346 and press "0" to request the cables.

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