SK Hynix to prioritise DDR5 expansion over HBM4 in new production push - OC3D

SK Hynix, one of the world's largest memory chip manufacturers, has shifted its production focus from HBM4 to DDR5, driven by severe DDR5 shortages and higher profit margins. The company plans to conv... Read original →

SK Hynix’s pivot from HBM4 to DDR5 isn’t just a supply fix—it’s a strategic recalibration to AI infrastructure’s real-world bottlenecks. Technically, this eases server build delays caused by DDR5 shortages, supporting CPU launch cadence, but risks delaying HBM4 ecosystem maturity and next-gen AI accelerator scaling. From a compliance standpoint, while DRAM concentration in Korea and Taiwan, China remains a geopolitical vulnerability, DDR5’s higher yields and equipment compatibility actually enhance supply chain resilience. Competitively, Micron may seize the HBM4 window for leadership, while Samsung could accelerate GDDR7 to differentiate. Over the next 12–24 months, DDR5 will rebalance first, pushing HBM4 commercialization into 2027—ushering in a bifurcated memory market: general-purpose DRAM stabilizes early, while AI-specific stacks advance cautiously.