What is covered
Named NVMe and SATA SSDs from Samsung, WD, Crucial and Kingston, plus generic capacity buckets (any brand, SSDs only) for listings that don't name a model.
The bar on each row runs from the lowest to the highest sale counted (the figures at its ends), with the middle half shaded and the median as a dot. Each bar is scaled to its own part’s sales. How prices are worked out

