Compare this Purple option's total price and cost per terabyte.
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Showing all live offers, including 3 non-new.
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Today's price is 61% above this page's 180d low of $34.39/TB.
Also compare Western Digital Purple 6TB. Compare this Purple option's total price and cost per terabyte.
Compare this Purple option's total price and cost per terabyte.
Compare driveCompare the cost per terabyte of another 18TB option.
Compare driveAnother Purple option from Western Digital at a comparable size.
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$45.37 |
$34.72 |
| Oct 7, 2026 | $45.37 | $34.72 |
| Oct 6, 2026 | $45.37 | $34.72 |
| Oct 5, 2026 | $45.37 | $34.72 |
| Oct 4, 2026 | $45.37 | $34.39 |
| Oct 3, 2026 | $45.37 | $34.39 |
| Oct 2, 2026 | $45.37 | $34.39 |
| Oct 1, 2026 | $34.39 | $34.39 |
Price history, alerts, and similar-drive comparisons exclude Amazon and Walmart and use only offers we can reliably compare. Current offers above include more stores.
Observation counts, medians, ranges, and averages by week from the stores we compare.
| Period start | Obs | Median $/TB | Range $/TB | Avg $/TB | Median price |
|---|---|---|---|---|---|
| Sep 28, 2026 | 13 | $35.50 | $34.39 – $79.94 | $49.97 | $639.00 |
| Oct 5, 2026 | 16 | $45.37 | $34.72 – $79.94 | $51.35 | $816.73 |
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Alerts use the same store set as the history and charts and link back to this page.