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Industry

Samsung Electronics begins mass production shipments of HBM4, sees HBM sales tripling in 2026

Samsung Electronics said on Feb. 12 it has begun mass production shipments of HBM4, calling it the world’s first for next-generation high-bandwidth memory. It said HBM4 reaches 11.7 Gbps, 46 percent above the JEDEC standard, with power efficiency improved 40 percent from the prior generation. Samsung forecasts 2026 HBM sales will rise more than threefold from 2025. It plans to expand HBM4 capacity and ship HBM4E samples in the second half of 2026.

Industry

Custom HBM era raises uncertainty over supply chain information

Uncertainty is growing around the next-generation high bandwidth memory (HBM) market as HBM4 moves toward customer-optimised custom products, reducing information transparency. With key specifications and timelines shared mainly between customers and manufacturers, supply chain visibility has narrowed. Industry sources say HBM4 also requires three-way cooperation among fabless designers, foundries and memory makers. SK Hynix says HBM4 is proceeding as scheduled and inventories will fall further in the second half of 2026.