What is PCI EXPRESS 2.0 AND WHAT IS PCI Express 3.0 x16...Please clarify

mitu1234 · May 24, 2014

I have Intel DB75EN board ..it shows

Graphics--Discrete graphics support for PCI Express 3.0 x16 add-in graphics card

Expansion capabilities--One PCI Express* 2.0 x 1 connector

What does it mean?Do i have 3.0 one or 2.0...i am going to buy a graphics card...So wants to know abt motherboard slots for graphics card

Link of my board--www.intel.com/content/www/us/en/motherboards/desktop-motherboards/desktop-board-db75en.html

COLGeek · May 24, 2014

Go here for more info: http://en.wikipedia.org/wiki/PCI_Express

The primary PCIe x16 slot on your system is the 3.0 one. It can process more data, faster than the 2.0 slot.

mitu1234 · May 27, 2014

COLGeek :

But intel link says different thing

COLGeek · May 27, 2014

That motherboard only has a single PCIe x16 slot. It is compatible with the 3.0 standard, if a 3rd generation CPU is installed (iX-3XXX). Those with the iX-2XXX are second generation and only support PCIe 2.0. PCIe support is built into the CPU.

If you look at the product brief, you can clearly see it only has the one x16 (the blue one) slot.

http://www.intel.com/content/www/us/en/desktops/desktop-board-db75en-executive-brief.html

mitu1234 · May 28, 2014

COLGeek :

But with the same link-http://www.intel.com/content/www/us/en/motherboards/desktop-motherboards/desktop-board-db75en.html

In the Expansion capabilities it shows
One PCI Express* 2.0 x 1 connector
Two PCI conventional bus connectors
So what does that indicate

But again in the Graphics it is written
Discrete graphics support for PCI Express 3.0 x16 add-in graphics card

So i am confused..still confused

RobCrezz · May 28, 2014

Your motherboard has a pci-e 2.0 16x slot. You can use any new graphics card in this slot. No graphics card REQUIRES pci-e 3.0

COLGeek · May 28, 2014

mitu1234 :

COLGeek :

But with the same link-http://www.intel.com/content/www/us/en/motherboards/desktop-motherboards/desktop-board-db75en.html

In the Expansion capabilities it shows
One PCI Express* 2.0 x 1 connector
Two PCI conventional bus connectors
So what does that indicate

But again in the Graphics it is written
Discrete graphics support for PCI Express 3.0 x16 add-in graphics card

So i am confused..still confused

Yes, there is an additional PCIe x1 (little short slot between the PCIe x16 and PCI slots. Look closely at the picture and you'll see it.

mitu1234 · May 28, 2014

I don't get you..pls explain

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What is PCI EXPRESS 2.0 AND WHAT IS PCI Express 3.0 x16...Please clarify

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