After nearly two years of relative calm, the hard disk drive (HDD) market is flashing warning signs again.
A Digitimes Asia report citing Nikkei says HDD contract prices rose about 4% quarter over quarter in Q4 2025—the steepest jump in eight quarters—with suppliers expecting the upward pressure to continue. On its face, that sounds like a niche storage story. In practice, it’s another ripple from much bigger forces: China’s shifting procurement rules and the AI-driven expansion of U.S. data centers.
Why HDD prices are rising again
The report points to two main demand drivers.
1) China’s government procurement shift is reshaping the PC mix
China’s public-sector procurement policies increasingly favor domestically produced CPUs and operating systems, accelerating local PC production. What’s surprising is the knock-on effect: the report suggests this has pulled HDDs back into the conversation in parts of the PC market.
A key factor cited is long-term data confidence. Sources referenced in the report point to concerns over unpowered SSD data retention—the idea that NAND flash stored offline for long periods can degrade, depending on age, wear, and storage conditions. That doesn’t mean SSDs are “unsafe,” but it does reinforce a practical reality: long-term archives still benefit from disciplined backup practices (including periodic refreshes), and some buyers still see HDDs as a safer fit for certain retention-heavy workflows.
2) U.S. data centers still want nearline HDDs—especially in the AI era
The second pressure point is the U.S. data center sector, where demand for high-capacity nearline HDDs keeps climbing. Flash hasn’t replaced spinning disks in the places that care most about cost per terabyte: bulk storage, backups, and warm/cold tiers.
AI only amplifies that. Training and inference pipelines generate huge volumes of data—datasets, logs, checkpoints, and derived artifacts—that need to be stored and moved economically. The report says nearline pricing rose by a similar ~4% QoQ, suggesting this is more than a localized PC story.
Supply is tight, and AI is stressing everything upstream
What makes this moment interesting is how HDDs are getting squeezed by the broader AI infrastructure boom. Data centers aren’t just buying GPUs; they’re pulling forward demand for servers, networking, power gear, and storage at the same time.
That pressure is visible in memory, too. DRAM and HBM have been tight, and higher DRAM pricing can raise costs across the hardware stack—including HDDs, which still rely on onboard DRAM for cache/buffer functions.
Meanwhile, HDD manufacturing doesn’t scale like NAND. Production depends on specialized parts and precision manufacturing, and vendors have stayed cautious about adding capacity after years of consolidation and price pressure. When demand rebounds from multiple directions at once, the market can tighten quickly.
The bigger takeaway
HDDs are often treated as legacy tech, but they’re being pulled back into the center of the industry’s growth narrative. Between China’s procurement priorities and AI’s appetite for storage, demand dynamics are shifting in ways that would’ve sounded unlikely a couple years ago.
Whether this becomes a sustained pricing cycle or a temporary squeeze will come down to two things: how quickly supply can expand—and whether AI infrastructure spending stays anywhere close to today’s pace.