PCIe 7.0 On Track For a 2025 Release

An anonymous reader shares a PC Gamer report: PCI Express 7.0 is coming. But don't feel as though you need to start saving for a new motherboard anytime soon. The PCI-SIG has just released the 0.5 version, with the final version set for release in 2025. That means supporting devices are not likely to land until 2026, with 2027-28 likely to be the years we see a wider rollout. PCIe 7.0 will initially be far more relevant to the enterprise market, where bandwidth-hungry applications like AI and networking will benefit. Anyway, it's not like the PC market is saturated with PCIe 5.0 devices, and PCIe 6.0 is yet to make its way into our gaming PCs.

PCI Express bandwidth doubles every generation, so PCIe 7.0 will deliver a maximum data rate up to 128 GT/s. That's a whopping 8x faster than PCIe 4.0 and 4x faster than PCIe 5.0. This means PCIe 7.0 is capable of delivering up to 512GB/s of bi-directional throughput via a x16 connection and 128GB/s for an x4 connection. More bandwidth will certainly be beneficial for CPU to chipset links, which means multiple integrated devices like 10G networking, WiFi 7, USB 4, and Thunderbolt 4 will all be able to run on a consumer motherboard without compromise. And just imagine what all that bandwidth could mean for PCIe 7.0 SSDs. In the years to come, a PCIe 7.0 x4 SSD could approach sequential transfer rates of up to 60GB/s. We'll need some serious advances in SSD controller and NAND flash technologies to see speeds in that range, but still, it's an attractive proposition. Further reading: PCIe 7.0 first official draft lands, doubling bandwidth yet again.

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