Cost per GB Over Time
HDD cost per GB in USD (log scale)
Sources
John McCallum's Disk Drive Prices Last updated 2020
HDD and SSD price per GB from 1956 to present. Companion to memory prices dataset.
Our World in Data: Memory & Storage Costs 2023
Interactive chart of RAM and storage costs from the 1950s to present. CSV download.
Wikipedia: HDD/SSD Performance Live
Sequential read/write speeds across storage generations. Covers HDD to NVMe SSD transition.
hblok.net: Storage Cost History 2024
Continues McCallum's work. Downloadable CSVs for RAM, HDD, SSD, and flash prices. CC BY-SA 3.0.
Backblaze: HDD Cost per GB 2023
Real-world HDD pricing from a cloud provider running 250,000+ drives. Notes where price decline has flattened.