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nas-drive-data/price-trends/README.md
deeddy badbfbef9f Add price-trends: monthly median $/TB over time (consumer vs enterprise) 
Computed monthly medians (Jul 2024 onward) plus a chart. Aggregate only - no
underlying per-drive price observations. Method and interactive version noted
in price-trends/README.md.
2026-09-16 11:51:34 +02:00

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NAS drive price trends

Monthly median price-per-terabyte for current 8TB+ NAS hard drives (US, new, in stock), from Jul 2024 to the latest month, split into the two tiers people choose between: consumer NAS (WD Red / IronWolf class) and enterprise (Exos / MG / Ultrastar).

Median $/TB, consumer NAS vs enterprise

The trend

Median $/TB sat flat around $20/TB through 2024 and most of 2025, then roughly doubled to the mid-$40s/TB from late 2025, and has held there since. Both tiers moved together: among new drives, enterprise is not the $/TB bargain it's assumed to be, and both got hit about equally. The usual driver is the AI datacenter buildout pulling high-capacity nearline supply.

Files

Method

For each month, take each drive's average $/TB across its logged days, then the median of those per-drive values across drives (so a model with more logged days doesn't skew the month). Scope: 8TB and up, US, new in-stock prices, compiled from Amazon price history. CMR/SMR and specs from datasheets.

8TB and up because small drives carry a much higher $/TB (fixed per-drive costs spread over less capacity), and which small SKUs happen to be in stock would swing an all-capacity median for reasons unrelated to prices actually moving.

This folder publishes the computed monthly medians only, not the underlying per-drive price observations.

Interactive version

The live, interactive version (hover, zoom, a capacity-matched cheapest-$/TB table, and the full write-up) is at nasdisks.com/articles/nas-drive-price-crunch.