It is pointed out that there is a danger that SSD's price trend will weaken and the price will rise - GIGAZINE
SSD Prices Continue to Fall, Now Upgrade Your Hard Drive!
SSD Prices Go Down, Gets Close To HDDs - MobiPicker
SSD Prices are dropping Significantly
SSD Prices are dropping Significantly
Flash Memory vs. HDD - which will win? - SSD article on StorageSearch.com
A history of flash memory and its rise in the enterprise | TechTarget
The Cost of Hard Drives Over Time
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 /
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 Continue to Fall, Now Upgrade Your Hard Drive!
When Will SSD Have Same Price as HDD - StorageNewsletter
Enterprise SSDs cost ten times more than nearline disk drives – Blocks and Files