So a while ago I needed to upgrade my old Athlon XP rig but had just spent $200 on the (at the time) "final" AGP card, the Radeon X1950 Pro. Something else which had come out fairly recent was the ...

So in theory PCI-e is backwards compatible, i.e. that if it fits physically, it'll run electronically. In reality, we hear stories all the time about the x16 slots not working for anything other than ...

The NVIDIA GeForce RTX 5090 is built with PCIe 5.0 x16 support, offering up to 64 GB/s of bandwidth. This is a notable step up from the RTX 4090, which runs at PCIe 4.0 x16 with 32 GB/s bandwidth.