What does PCIe Gen2 x4 slot/x16 connector mean?

HerschelSood

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Oct 2, 2015
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So I'm looking forward to buying a Graphics Card, which has a PCI Express 2.0 x16. I checked the documentation of my motherboard, and it says that it has a 'PCIe Gen2 x4 slot/x16 connector'. I want to know if I can install the card into this slot.
 
Solution
Theoretically, yes, it should work. However, that slot has only one fourth the intended PCIe bandwidth for the card that a normal PCIe 2.0 x16 slot has and that may affect performance slightly, depending on how high end the card is. More information about the motherboard and graphics card would be helpful.
Theoretically, yes, it should work. However, that slot has only one fourth the intended PCIe bandwidth for the card that a normal PCIe 2.0 x16 slot has and that may affect performance slightly, depending on how high end the card is. More information about the motherboard and graphics card would be helpful.
 
Solution
On a single card configuration, both slots will run at the x16 , meaning that the card will use all 16 PCI lanes.
In a Dual GPU configurations, the cards will be able to use only 4 lanes each (x4), instead of 8 lanes (x8).
That won't affect single GPU configurations, so you can insert your card in either slot.