This year has been transformative for data center hardware, with operators grappling with increased AI workloads, sustainability demands, and evolving security issues. While software and cloud advancements often steal the spotlight, innovations in server chips, accelerators, and networking equipment are quietly reshaping the core of modern data centers. High-performance AI accelerators like GPUs, TPUs, and emerging DPUs are driving unparalleled compute density, while new cooling and interconnect technologies strive to manage the thermal and bandwidth challenges posed by these workloads.