Intel's next-generation Core Ultra 400-series 'Nova Lake' platforms have started appearing on compliance lists from the USB Implementers Forum and PCI-SIG, signaling that the company is preparing for an official launch. The USB-IF Integrators List now includes Intel's Nova Lake-H mobile processor, certified for USB4 80 Gbps, which aligns with expectations that the part will also support Thunderbolt 5. The desktop Nova Lake PCH-S chipset, meanwhile, passed USB 3.2 Gen2 compliance with data transfer rates up to 20 Gbps.
On the PCIe side, Intel's 900-series chipsets for Nova Lake-S have been listed with PCI-SIG since April, and an unidentified Intel processor with a PCIe 5.0 x16 root complex passed interoperability tests in early August. While the listing does not explicitly name the chip, it is widely suspected to be a desktop Nova Lake CPU. The choice to certify a mobile processor and a desktop chipset first may seem unusual, but Intel can leverage USB-IF's Qualification by Similarity program, which allows related products with identical USB circuitry to be certified with minimal extra testing.
These compliance listings are a routine but necessary step before launch. Reports and leaks point to Core Ultra 400-series systems arriving in Q1 2027, so Intel appears to be laying the groundwork over the coming months. Additional regulatory and environmental certifications are expected closer to the official release, though those documents rarely become public in advance.