Architects' Tech Alliance

Jul 2, 2025 · Fundamentals

What’s Next for HBM? Roadmap from HBM4 to HBM8 (2026‑2038)

This article outlines the next‑generation high‑bandwidth memory (HBM) roadmap from HBM4 to HBM8, detailing launch timelines, architectural shifts, I/O counts, data rates, bandwidth, capacities, and novel integration concepts such as modular stacks, near‑memory compute, four‑tower structures, memory‑storage convergence, and full 3D integration.