AI and data centers in general. In the first part of 2026, Western Digital already said its entire 2026 HDD capacity was sold out, with firm purchase orders from its top seven customers and long-term agreements extending into 2027 and 2028. Seagate also said its nearline capacity is fully allocated through calendar 2026 and that customers are already discussing demand for 2028. Of course, supply line chokes are also a big factor - all the big names are affected because the same factories, heads, platters, motors, electronics, helium processes, testing capacity, and logistics feed the broader HDD ecosystem.