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Windows 7: Where to obtain power for USB 3.0. PCIE card?

28 Sep 2011   #1
stuart253

Windows 7 professional 64 bit
 
 
Where to obtain power for USB 3.0. PCIE card?

Hello,

I have a DELL Studio XPS machine. I want to install a USB 3.0 4 port PCIE card.

Have any DELL Studio XPS users added an USB 3.0. PCIE card? Where did you find the power for it.

Thanks

Stu


My System SpecsSystem Spec
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28 Sep 2011   #2
carwiz

Windows 7 Pro-x64
 
 

What make and model is the card? Most draw power from the power supply using a 15-pin SATA power cable adapter.

Something like this: Newegg.com - COOLMAX 6" Cable Model SATA POWER ADAPTER - Cables
My System SpecsSystem Spec
29 Sep 2011   #3
TVeblen

Microsoft Community Contributor Award Recipient

Windows 7 64 Bit Home Premium SP1
 
 

The ones I've seen use a MOLEX connector. Just find a spare one coming from your power supply.


Attached Images
Where to obtain power for USB 3.0. PCIE card?-index.jpeg 
My System SpecsSystem Spec
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29 Sep 2011   #4
pooch

Windows 7 Ultimate x64
 
 

Quote   Quote: Originally Posted by stuart253 View Post
Hello,

I have a DELL Studio XPS machine. I want to install a USB 3.0 4 port PCIE card.

Have any DELL Studio XPS users added an USB 3.0. PCIE card? Where did you find the power for it.

Thanks

Stu
Have you got any specs for the card? the one I used to use did not need an external power supply.
My System SpecsSystem Spec
29 Sep 2011   #5
TVeblen

Microsoft Community Contributor Award Recipient

Windows 7 64 Bit Home Premium SP1
 
 

Yeah, they come in two flavors Pooch. Some manufacturers add the 12v booster so as to provide "proper power" to multiple USB connected devices. But others do not, drawing power right off the PCI bus.

I'm sure it has something to do with the number of ports. A 4 port card would definitely benefit from the extra power.
My System SpecsSystem Spec
29 Sep 2011   #6
pooch

Windows 7 Ultimate x64
 
 

Quote   Quote: Originally Posted by TVeblen View Post
Yeah, they come in two flavors Pooch. Some manufacturers add the 12v booster so as to provide "proper power" to multiple USB connected devices. But others do not, drawing power right off the PCI bus.

I'm sure it has something to do with the number of ports. A 4 port card would definitely benefit from the extra power.
OK thanks for this
My System SpecsSystem Spec
01 Oct 2011   #7
stuart253

Windows 7 professional 64 bit
 
 
Additional information

Greetings,

Thanks to all that replied. The card that I am interested in is

Newegg.com - GWC USB 3.0 4-Port PCI Express Card Model PU3040

On the card it has a male molex connection. My Old DELL had at least one spare female molex connections in it.

My current Dell, has a free connector , but it is not the usually white molex connector. It is a smaller female connector. I have included a couple a pictures of the connector.

This is why I was looking for owners of a DEll studio XPS 8100 machine, who had expeirence with supplying power to a pcei card.

I am not sure that this connector is for power

Thanks

Stu


Attached Images
Where to obtain power for USB 3.0. PCIE card?-_dsc8965_01.jpg Where to obtain power for USB 3.0. PCIE card?-_dsc8971_01.jpg 
My System SpecsSystem Spec
01 Oct 2011   #8
TVeblen

Microsoft Community Contributor Award Recipient

Windows 7 64 Bit Home Premium SP1
 
 

The connector you show is a dedicated Floppy Disk Drive connector. It does supply power.

Are you saying that the floppy drive connector is the ONLY free connector you have coming from your power supply? That would be unusual.
My System SpecsSystem Spec
01 Oct 2011   #9
HammerHead

win 7 X64 Ultimate SP1
 
 
3.0 PCIe

If you don't have a spare molex connector you will need one of these.

Newegg.com - Athena Power 8" Molex Y Splitted Power Cable Model CABLE-YPHD

There are cards available that do not require the molex connection but they will prpbably have less ports.
My System SpecsSystem Spec
01 Oct 2011   #10
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

It might be the time for a new power supply. Filling out the rest of your specs would help us.
My System SpecsSystem Spec
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 Where to obtain power for USB 3.0. PCIE card?




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