Micron Technology (MU)

Another tightening dynamic is the push toward higher HBM pin speeds. Customers such as NVIDIA are targeting approximately 11 Gb/s pin speeds for HBM4, a requirement that remains difficult for memory vendors to achieve at acceptable yields. While SK Hynix and Samsung are making better progress toward meeting these specifications, Micron is lagging behind in HBM4, a dynamic we discussed in our Rubin article and within the Accelerator & HBM Model as early as January. This escalation in performance requirements, as customers demand higher pin speeds and vendors struggle to deliver at scale, further constrains effective HBM supply.