Spend less in the same line
Western Digital Purple 6TB
Tracked: $43.33/TB • $259.99 total
Live retailer offers, specs, and price history.
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ListofDisks take
The lowest visible price we see for Western Digital Purple WD40PURZ 4TB (4TB HDD SATA CMR) is from Amazon at $57.49/TB ($229.97 total). This lead price comes from a store we show in live offers, but not from the stores we use for the chart. Use the chart before calling it a market low.
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Here are a few similar options from the stores we compare. Open any product page to see its live offers.
Stay with Purple and cut the starting price.
Another 4TB option is currently cheaper per terabyte.
Compare driveSame interface and a more comparable size from Western Digital.
Compare drive$57.49 |
| New |
| - |
| Checked 16m ago |
Last known inactive retailers
These retailers had a tracked offer for this product within the last 90 days and were checked recently, but do not have a live offer on the page right now.
Affiliate note. Some links may earn us a commission. Amazon note. As an Amazon Associate, ListofDisks earns from qualifying purchases.
Price history and comparisons
Daily median $/TB from the stores we compare, alongside the lowest qualified offer observed each day.
| Date | Median $/TB | Low $/TB |
|---|---|---|
| Jul 21, 2026 | $58.75 | $58.75 |
| Jul 19, 2026 | $58.75 | $58.75 |
| Jul 18, 2026 | $58.75 | $58.75 |
| Jul 17, 2026 | $58.75 | $58.75 |
| Jul 16, 2026 | $58.75 | $58.75 |
| Jul 15, 2026 | $58.75 | $58.75 |
| Jul 14, 2026 | $58.75 | $58.75 |
| Jul 13, 2026 | $58.75 | $58.75 |
| Jul 12, 2026 | $58.75 | $58.75 |
| Jul 11, 2026 | $58.75 | $58.75 |
Price history, alerts, and similar-drive comparisons use the smaller set of stores we compare side by side. Live offers above may show more stores.
Median, range, and averages for each day period from the stores we compare.
| Period start | Obs | Median $/TB | Range $/TB | Avg $/TB | Median price |
|---|---|---|---|---|---|
| Jul 11, 2026 | 2 | $58.75 | $58.75 – $58.75 | $58.75 | $235.00 |
| Jul 12, 2026 | 1 | $58.75 | $58.75 – $58.75 | $58.75 | $235.00 |
| Jul 13, 2026 | 1 | $58.75 | $58.75 – $58.75 | $58.75 | $235.00 |
| Jul 14, 2026 | 1 | $58.75 | $58.75 – $58.75 | $58.75 | $235.00 |
| Jul 15, 2026 | 1 | $58.75 | $58.75 – $58.75 | $58.75 | $235.00 |
| Jul 16, 2026 | 1 | $58.75 | $58.75 – $58.75 | $58.75 | $235.00 |
| Jul 17, 2026 | 1 | $58.75 | $58.75 – $58.75 | $58.75 | $235.00 |
| Jul 18, 2026 | 4 | $58.75 | $58.75 – $58.75 | $58.75 | $235.00 |
| Jul 19, 2026 | 1 | $58.75 | $58.75 – $58.75 | $58.75 | $235.00 |
| Jul 21, 2026 | 1 | $58.75 | $58.75 – $58.75 | $58.75 | $235.00 |