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USB 3.0 PCI card upgrade query

Last response: in Components
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March 13, 2014 3:30:26 PM

Hi all, I need your help as I'm confused over this.

Basically I've got myself this PCIe USB 3.0 card (so can finally have some better transfer speeds on the go).

It states it needs a "PCI-Express slot must be version 2.0 or higher" to get the usb 3 speeds of 5GB/s; otherwise version 1 will be limited to 2.5GB/s.

I have the Asus P6T motherboard which has:

2 x PCIe 2.0 x16 (dual x16, blue)
1 x PCIe 2.0 x16 (x4 mode, white)
1 x PCIe x1
2 x PCI

This picture will aid you.

My understanding of this is that I have a small white one which is version 1 (directly under the first blue PCI-E version 2), currently where my graphics card is installed.

The next PCIe which is version 2 is the next one under the small white one (the big blue one). Can I install the above PCIe USB 3.0 card into this slot?

I think I can but I'd rather have it right first time.

Thanks in advanced for the help on this :) 

Best solution

a b V Motherboard
March 13, 2014 3:42:49 PM

All your PCI-e slots are PCI-e 2.0/2.1 slots. the small white one between the two blues is a PCI-e 2.0/2.1 x1 slot. the x1 refers to ho many bus lanes the slot can accommodate. you can insert that card in any PCI-e slot on the board you want and it will work the same.
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