Review on LINKUP - Extreme4+ PCIe 4 by Daniel Delgado

The biggest problem you will encounter when installing a PCIe 4.0 card vertically on a 4.0 motherboard is the PCIe -3rd generation risers. Setting PCI slot #1 to PCIe Gen 3 in uefi/bios solves this problem. However, if you update the BIOS or otherwise, PCI slot #1 will revert to PCI-Gen. 4, lose the yadda yadda video signal. So here is this PCIe Gen.4 25mm adapter for my Gigabyte x570 ultra and Asus 6800xt lc. So the short answer is that it works. BUT with reservations. I got a 50% drop in performance, 185220 fps at 2k to 110130 fps (there was scrolling frame updates in uefi, something like 0.1 fps). When I went back to uefi and changed the PCIe slot #1 to Gen 3 it worked great, absolutely perfect. So it works, you never have to unmount your graphics card after a BIOS update for it to pass in my book. Mode.