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AI supply chain term

SRAM

SRAM is fast on-chip memory built from transistors that holds a processor's caches and register files, sitting physically next to the compute logic.

What it means

SRAM (static random-access memory) stores each bit in a small cluster of transistors, so it is extremely fast and needs no constant refresh, unlike DRAM. That speed makes it the memory of choice for the on-chip caches, register files, and buffers inside GPUs and AI accelerators, where data must reach the math units in nanoseconds. SRAM does not shrink as quickly as logic on newer process nodes, so caches consume a growing share of expensive silicon area. In the AI supply chain SRAM is embedded inside the accelerator die rather than sold as a separate part, and it acts as a quiet lever: how much on-chip memory a design carries shapes how efficiently it keeps its tensor cores fed and how often it must reach out to slower external memory.

Why it matters to investors

SRAM is not a standalone market but a design constraint baked into every accelerator, and its poor area-scaling on advanced nodes is one reason leading-edge chips keep growing larger and more costly. Firms that design and buy the newest GPUs absorb this trade-off directly.

Companies on this part of the chain

NVIDIANVDACoreWeave, Inc.CRWVNebius Group N.V.NBISMicrosoftMSFT

Named to show where the term sits in the AI supply chain — research, not advice, and never a recommendation to buy or sell.

Related terms

Tensor coreA tensor core is a specialized hardware unit inside a GPU that accelerates the matrix-multiply operations at the core of AI training and inference.DRAM (Dynamic RAM)Dynamic RAM — the main working memory; HBM is a stacked, high-bandwidth form of it.Memory bandwidthHow fast data can move per second — often the binding limit, not raw compute.GPU / AI acceleratorGraphics Processing Unit — the massively-parallel chip that does most AI training and inference.

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THE ENTITY maps every constraint onto one live model — which part is tight now, who owns it, and who gets squeezed when it moves. Plain-English reads you can check.

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THE ENTITY is an educational read on the AI supply chain — research, not investment advice. It explains how the chain works and who sits where, never price targets or buy/sell calls.