Disk Drive Prices 1955-2019 (a professor graphs the trend the cheapest price/MB since 1955, last updated 2019Aug17, I'll link the actual data table in comments) : r/DataHoarder
SSD Prices are dropping Significantly
SSD Prices Continue to Fall, Now Upgrade Your Hard Drive!
It is pointed out that there is a danger that SSD's price trend will weaken and the price will rise - GIGAZINE
The solid state disk is under the impact again for its consecutive falling price in 2019.
The Cost of Hard Drives Over Time
QLC Flash HAMRs HDD - Wikibon Research
Micron, Intel And 3D NAND Post 2016 - Is That All There Is? (NASDAQ:MU) | Seeking Alpha
HDDs and SSDs: global shipments 2015-2021 | Statista
DRAMeXchange - 【Market View】TrendForce: eMMC and SSD to Contribute to 15% NAND Flash Output Value Growth in 2013
SSD Prices Go Down, Gets Close To HDDs - MobiPicker
Enterprise SSDs cost ten times more than nearline disk drives – Blocks and Files
Would you pay $7,260 for a 3 TB drive? Charting HDD and SSD prices over time - Pingdom
Samsung 970 EVO Plus SSD 2TB NVMe M.2 Internal Solid State Hard Drive, V-NAND Technology, Storage and Memory Expansion for Gaming, Graphics w/ Heat Control, Max Speed, MZ-V7S2T0B/AM | Amazon price tracker /
Enterprise SSDs cost ten times more than nearline disk drives – Blocks and Files
SSDs will crush hard drives in the enterprise, bearing down the full weight of Wright's Law – Blocks and Files
The Accelerating Economics of Flash
How to purchase SSDs during a NAND flash price fall | TechTarget
Flash Memory vs. HDD - which will win? - SSD article on StorageSearch.com