USB3 card


L

LocalHero

Hi

I want to install a USB3 card to my desktop PC. I have a free PCI slot,
but understand that won't allow the full speed increase of USB3.

I also have an AGI Express slot (purple) on my ASRock motherboard - can
that be used with a PCIE USB3 card?

Many thanks
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P

Paul

LocalHero said:
Hi

I want to install a USB3 card to my desktop PC. I have a free PCI slot,
but understand that won't allow the full speed increase of USB3.

I also have an AGI Express slot (purple) on my ASRock motherboard - can
that be used with a PCIE USB3 card?

Many thanks
See the "PCI-based AGP ports" section of this article.

http://en.wikipedia.org/wiki/Agp

AGP protocol, consists of two parts. Random access via a PCI
protocol, plus a burst transfer protocol specific to AGP.
On non AGP slots (AGI, AGX, and friends), those would
be non-genuine AGP solutions.

If all you have is basically PCI in the computer,
then you're limited to PCI performance (~110MB/sec practical
transfer rate, approximately speaking).

*******

And they actually make one that goes from PCI to USB3.

http://www.newegg.com/Product/Product.aspx?Item=N82E16815201060

You see, on the Koutech card, there is a PCI to PCI Express x1
bridge chip on the back of the card.

http://images17.newegg.com/is/image/newegg/15-201-060-Z04?$S640W$

And a USB3 chip on the front (square chip next to the four caps).

http://images17.newegg.com/is/image/newegg/15-201-060-Z03?$S640W$

*******

This is a second Koutech-made card, with the bridge on the back.

http://www.newegg.com/Product/Product.aspx?Item=N82E16815201041

PCI to PCI Express x1 bridge showing...

http://images17.newegg.com/is/image/newegg/15-201-041-Z04?$S640W$

Front view

http://images17.newegg.com/is/image/newegg/15-201-041-Z03?$S640W$

Using a bridge chip, makes the cards cost more.

*******

Startech appears to make one as well. But Startech absolutely
refuses to show a picture of the back of the card, where the
bridge is located.

http://www.startech.com/Cards-Adapters/USB-3.0/Cards/2-Port-PCI-SuperSpeed-USB-3-Adapter-Card-with-SATA-Power~PCIUSB3S22

*******

Whereas most cards, go from PCI Express x1 to USB3, a different
bus standard. Notice the smaller connector - it doesn't fit PCI.

http://images17.newegg.com/is/image/newegg/15-124-120-Z03?$S640W$

Paul
 
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L

LocalHero

Paul said:
See the "PCI-based AGP ports" section of this article.

http://en.wikipedia.org/wiki/Agp

AGP protocol, consists of two parts. Random access via a PCI
protocol, plus a burst transfer protocol specific to AGP.
On non AGP slots (AGI, AGX, and friends), those would
be non-genuine AGP solutions.

If all you have is basically PCI in the computer,
then you're limited to PCI performance (~110MB/sec practical
transfer rate, approximately speaking).

*******

And they actually make one that goes from PCI to USB3.

http://www.newegg.com/Product/Product.aspx?Item=N82E16815201060

You see, on the Koutech card, there is a PCI to PCI Express x1
bridge chip on the back of the card.

http://images17.newegg.com/is/image/newegg/15-201-060-Z04?$S640W$

And a USB3 chip on the front (square chip next to the four caps).

http://images17.newegg.com/is/image/newegg/15-201-060-Z03?$S640W$

*******

This is a second Koutech-made card, with the bridge on the back.

http://www.newegg.com/Product/Product.aspx?Item=N82E16815201041

PCI to PCI Express x1 bridge showing...

http://images17.newegg.com/is/image/newegg/15-201-041-Z04?$S640W$

Front view

http://images17.newegg.com/is/image/newegg/15-201-041-Z03?$S640W$

Using a bridge chip, makes the cards cost more.

*******

Startech appears to make one as well. But Startech absolutely
refuses to show a picture of the back of the card, where the
bridge is located.

http://www.startech.com/Cards-Adapters/USB-3.0/Cards/2-Port-PCI-SuperS
peed-USB-3-Adapter-Card-with-SATA-Power~PCIUSB3S22

*******

Whereas most cards, go from PCI Express x1 to USB3, a different
bus standard. Notice the smaller connector - it doesn't fit PCI.

http://images17.newegg.com/is/image/newegg/15-124-120-Z03?$S640W$

Paul
Thanks for that.

--
 

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