Do I have to force pci-e gen 3 when using Intel 10th gen CPU on

Will my graphics card work in all PCIe slots? can you use pcie 4 0 gpu in 3 0 slot 1 ADD OR UPGRADE YOUR DEDICATED GRAPHICS AND SOUND CARDS · 2 TV TUNER CARDS AND VIDEO CAPTURE CARDS · 3 ADD WIFI AND FAX FUNCTIONALITY · 4 candy witch slot A PCIe slot will not bottleneck the card But what CPU are you running? That might be a different story I have a I9-10900KF gig not

candy burst pg slot It should be backward compatible, but you will see less performance than if you had it in a PCIe slot since it runs at PCIe x8 instead