PCIe 5.0 is nearly four years old and it's still virtually worthless in gaming PCs

Not very much, actually! Well, a spot of cable-hiding tech by Asus and one of Gigabyte's latest laptops, but I've mostly been testing out a new display panel colorimeter. It's surprising how much your eyes deceive you when looking at a monitor.

Still, on paper, AMD has Intel thoroughly beat when it comes to PCIe 5.0 support. However, things become more complicated with. For example, an X670 board will have a PCIe 4.0 graphics card slot and no more than a single PCIe 5.0 SSD slot. Switch to an X670E motherboard and the GPU slot will be 5.0 and there could be two Gen 5 M.2 slots .If that's a tad confusing, then I can assure you, it's a better state of affairs than Intel's current PCIe 5.0 support.

Except there aren't any Gen 5 graphics cards—they're all still using PCIe 4.0, at best. The next round of new GPUs from AMD, Intel, and Nvidia may move to the newer spec but given that they've only just changed to Gen 4 in their latest generation of cards, there's a good chance that they won't.So, if you're like me, and have that ASRock Z790 motherboard, no matter what GPU you use, if you stick an SSD into the first M.2 slot, then the card will be forced to run in PCIe 4.

Is Gen 5 really suffering from early adopter problems or is it a case that vendors aren't interested in supporting it all properly?to use a decent cooling system, be it a dedicated heatsink and fan, or a large metal heatsink on the motherboard to absorb and dissipate the heat. In the case of the former, that's an additional cost to consider and depending on the size of your graphics card, you might not have room for it.

This is especially true for SSDs. To be fully PCIe 5.0 compliant, the controller chip needs to run faster than a Gen 4 one and the NAND flash memory chips also need to read and write data at a much higher rate. At the moment, very few companies have chips that can do all of this and those that can, unfortunately, generate a lot of heat. The market for Gen 5 SSDs issmaller than that for Gen 4 drives, so the tiny demand means the relative costs are higher, too.

Source: Education Headlines (educationheadlines.net)

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