SK Hynix on HBF: roughly half of HBM bandwidth but 14x the capacity
Beth_Kindig · x · 2026-10-19
SK Hynix offered key specs for its HBF (High Bandwidth Flash) technology: bandwidth is typically about half of HBM, but capacity is roughly 14 times higher.
The framing suggests HBF trades some bandwidth for an order-of-magnitude gain in storage density, potentially opening new options for capacity-bound AI inference workloads. The post tags $MU (Micron), $SKHY and $NVDA, reflecting market interest in how HBF reshapes the memory landscape for the AI compute supply chain.
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