Hard Disk Drives (HDDs) market is rebased to USD 26.14 billion in 2025, increases to an estimated USD 26.69 billion in 2026, and is projected to reach USD 31.51 billion by 2034. The selected source-page size anchors imply a 2.1% CAGR during 2026–2034. North America is the largest end-demand market in 2025 based on the source page FAQ, while Asia Pacific remains the principal manufacturing cluster, while current demand is being reshaped by AI-scale data retention, hyperscale cloud growth, higher areal density through HAMR and ePMR, UltraSMR adoption, lower watts per terabyte and the migration of HDD demand away from client PCs toward nearline enterprise capacity.