cxl-memory
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Primemas Wants to Make the Most Expensive Part of a Chip Boring
Its Hublet architecture separates the clever part of a custom chip from the expensive plumbing around it. The bet is that AI builders would rather buy that plumbing once than reinvent it for every product.
Enfabrica
Enfabrica is a Silicon Valley chip startup building the networking and memory plumbing that lets tens of thousands of GPUs behave like one giant computer. Its Accelerated Compute Fabric SuperNIC (ACF-S) moves data at 3.2 terabits per second, and its EMFASYS memory fabric lets AI clusters borrow cheap DDR5 DRAM over Ethernet instead of buying more GPUs for capacity. Founded in 2019 by ex-Broadcom and Google networking engineers, the company raised roughly $290M before Nvidia paid over $900M in September 2025 to license its technology and hire CEO Rochan Sankar and much of his team.
ScaleFlux
ScaleFlux designs computational storage drives and CXL memory devices that push compute into the storage layer itself. Founded in 2014 by chip and flash veterans Hao Zhong, Tong Zhang and Yang Liu, the Milpitas company sells NVMe SSDs whose on-drive ASICs handle compression, encryption and data services that used to burn host CPU cycles - giving enterprises more usable capacity, longer flash endurance, and faster database and AI workloads.