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.
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. biggest hard drive you can buy
Due to high demand from AI infrastructure, many high-capacity enterprise drives (20TB+) from manufacturers like Western Digital are under tight allocation or sold out through much of 2026. Largest SSDs and hard drives of 2025 - TechRadar While hard drives (HDDs) lead in massive, low-cost
Designed for Network Attached Storage (NAS) and professional use, the IronWolf Pro 32TB is available at major electronics retailers like Best Buy. Western Digital offers a similar Ultrastar DC HC690 32TB SMR model for high-density environments. Summary of Top Capacities by Category Top Product Enterprise / Data Center Seagate Exos M (Mozaic 4+) 44TB (SMR) / 36TB (CMR) Professional / NAS Seagate IronWolf Pro Consumer Desktop (External) Seagate Expansion Internal Desktop (Consumer) Seagate BarraCuda Buying Advice: HDD vs. SSD Due to high demand from AI infrastructure, many