PCIe 2.0x16 to PCIe 3.0x16 are compatibles

[el4dedos]

I want to update me video card 7870 PCIe 3.0x16 this video card is compatible whit my PCIe 2.0x16 slot

 

[maxalge]

I want to update me video card 7870 PCIe 3.0x16 this video card is compatible whit my PCIe 2.0x16 slot

Yes the cards are backwards compatible, just make sure you have the power supply to handle it.