At NVIDIA GTC 2026, Micron announced it is in high-volume production of three products at once, all timed around and designed for the Vera Rubin platform. The headline is HBM4 with the 36 GB 12-high stack started shipping in volume in Q1 2026, built for NVIDIA Vera Rubin. It hits over 11 Gb/s pin sp...
PCIe versions are all backwards compatible
Yes, but then you wouldn’t be getting the speed upgrade from the new PCIe 6 SSD.
And beyomd PCIe 4 the electrical interconnect requirements become significantly more challenging due to the faster switching rates, so even the PCBs have to be reworked.
You’d just be losing out on the interlink bandwidth improvements (I.e large reads, maybe write performance too), you’d still be getting the generational improvement in flash storage speed and the controller which would carry over to previous generations of PCIe links where the throughput was not previously limited by PCIe bandwidth