While hard drives (HDDs) lead in massive, low-cost capacity, have reached much higher individual capacities but at significantly higher prices. For example, the Solidigm D5-P5336 offers 122TB but costs thousands of dollars, making it impractical for home use.
The biggest hard drive you can currently buy depends on whether you are shopping for standard retail availability or specialized enterprise hardware. As of April 2026, and Western Digital are shipping drives with capacities exceeding 30TB, primarily for data centers and professional workstations. Highest Capacity Hard Drives (April 2026) biggest hard drive you can buy
For a drive you can easily purchase from standard retailers like Amazon or Newegg, the Seagate Expansion Desktop 28TB is currently the top consumer-grade choice. While hard drives (HDDs) lead in massive, low-cost