What is a good price per GB for a hard drive?

As of September 21, 2026, the median in-stock hard drive on BuyPerUnit is $0.0624/GB; under $0.0489/GB is the cheapest quarter of 1,212 listings, and the floor is $0.0250/GB. High-capacity 3.5-inch desktop drives (8TB and up) set the floor; portable 2.5-inch externals run roughly two to three times the per-gigabyte price.