Supply Chain & Critical Materials
Articles (11)

The 800V DC Rack Transition: How Rubin Ultra Is Rewiring the Supercomputing Industry's Last 50 Feet
NVIDIA has published the architecture. OCP and the supplier alliance have published the spec and the timeline. The colocation operators have published, so far, very little.

America's $2 Billion Quantum Bet: Two Foundry Models, Nine Equity Stakes
Commerce signed nine LOIs worth $2.013 billion to anchor a U.S. quantum supercomputing supply chain. Two foundry models funded in parallel, federal equity in every recipient.
Spectra Clears Sandia's Supercomputer Acceptance. The Fall Mission-Code Gate Is the Real Test.
NextSilicon's Maverick-2 dataflow accelerator has met Sandia's Vanguard system-acceptance requirements on HPCG, LAMMPS, and SPARTA. The harder question comes this fall, when Sandia decides whether to move Spectra toward more demanding, mission-like ASC supercomputing workloads.

NVision Pivots Into Quantum Computing With a Single-Molecule Qubit and $55 Million
An arXiv preprint shows single-molecule ODMR in a designer carbene with 2.2 ms coherence at 4.5 K. Two days later, NVision announced a $55 million Abbott-led round and a photonic molecular-qubit architecture still demonstrated at just one emitter.

Apple's Mac Shortage Signals Memory Supply Chain Has Reorganized Around Data Center AI
Apple cut Mac memory ceilings and delayed M5 Ultra by four months as HBM production for data center AI consumes edge LPDDR5X allocation.

Europe Formalizes Advanced Materials Strategy but Doesn't Name the Substrates Its Fabs Actually Need
The GCSA produced principles, not production targets. The Advanced Materials Act decides whether European fabs get domestic substrates.

DeepSeek V4-Pro on Ascend 950PR: The Two-Stack AI Reality
DeepSeek V4-Pro runs on Huawei Ascend 950PR as the State Department pivots export controls from chip access to model IP, describing two parallel AI stacks.

HFAC Clears 16-Bill Chip Export Package on 150-Day Allied Clock
Sixteen bills cleared, silicon-level verification on deck, and an industry that hasn't spoken.

Vera Rubin's Memory Stack Is Korean. How Three Vendors Got There Tells You Why It Will Stay That Way.
Samsung, SK hynix, and Micron converged on SOCAMM2 mass production within six weeks for NVIDIA's Vera Rubin. Korean suppliers now control both memory tiers.

Anthropic Locks 3.5 GW of Google TPU Capacity as Commercial AI Pre-Purchases Infrastructure Scientific Computing Will Need
Broadcom will supply Anthropic with 3.5 GW of Google TPU capacity through 2031; ~23-35x the power of DOE's largest planned science supercomputer.
NVIDIA's $4 Billion Photonics Bet Is an Admission: The AI Buildout Has a Materials Problem
NVIDIA's $4B investment in Lumentum and Coherent signals indium phosphide scarcity and power equipment lead times are gating $2.52T AI spending forecast.