Spend less in the same line
Western Digital My Book 4TB
Tracked: $33.25/TB • $133.01 total
4TB • HDD • USB
Stay with My Book and cut the starting price.
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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 My Book and cut the starting price.
View driveAnother 22TB option is currently cheaper per terabyte.
View driveAnother My Book option from Western Digital at a comparable size.
View drive$714.99 |
$32.50 |
| New |
| - |
| Checked 4h 14m ago |
Affiliate note. Some links may earn us a commission.
Price history and comparisons
Daily median $/TB from the stores we compare, with daily lows highlighted.
| Date | Median $/TB | Low $/TB |
|---|---|---|
| May 19, 2026 | $32.50 | $32.50 |
| May 18, 2026 | $32.50 | $32.50 |
| May 17, 2026 | $32.50 | $32.50 |
| May 16, 2026 | $32.50 | $32.50 |
| May 15, 2026 | $32.50 | $32.50 |
| May 14, 2026 | $32.50 | $32.50 |
| May 13, 2026 | $32.50 | $32.50 |
| May 12, 2026 | $32.50 | $32.50 |
| May 10, 2026 | $32.50 | $32.50 |
| May 9, 2026 | $32.50 | $32.50 |
| May 8, 2026 | $32.50 | $32.50 |
| May 7, 2026 | $32.50 | $32.50 |
| May 6, 2026 | $32.50 | $32.50 |
| May 5, 2026 |
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 |
|---|---|---|---|---|---|
| Apr 20, 2026 | 19 | $29.55 | $29.55 – $29.55 | $29.55 | $649.99 |
| Apr 21, 2026 | 22 | $29.55 | $29.55 – $29.55 | $29.55 | $649.99 |
| Apr 22, 2026 | 22 | $29.55 |
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Alerts use the same store set as the history and charts and link back to this page.
$32.50 |
$32.50 |
| May 4, 2026 | $32.50 | $29.55 |
| May 3, 2026 | $29.55 | $29.55 |
| May 2, 2026 | $29.55 | $29.55 |
| May 1, 2026 | $29.55 | $29.55 |
| Apr 30, 2026 | $29.55 | $29.55 |
| Apr 29, 2026 | $29.55 | $29.55 |
| Apr 28, 2026 | $29.55 | $29.55 |
| Apr 27, 2026 | $29.55 | $29.55 |
| Apr 25, 2026 | $29.55 | $29.55 |
| Apr 24, 2026 | $29.55 | $29.55 |
| Apr 23, 2026 | $29.55 | $29.55 |
| Apr 22, 2026 | $29.55 | $29.55 |
| Apr 21, 2026 | $29.55 | $29.55 |
| Apr 20, 2026 | $29.55 | $29.55 |
| $29.55 – $29.55 |
| $29.55 |
| $649.99 |
| Apr 23, 2026 | 21 | $29.55 | $29.55 – $29.55 | $29.55 | $649.99 |
| Apr 24, 2026 | 22 | $29.55 | $29.55 – $29.55 | $29.55 | $649.99 |
| Apr 25, 2026 | 13 | $29.55 | $29.55 – $29.55 | $29.55 | $649.99 |
| Apr 27, 2026 | 15 | $29.55 | $29.55 – $29.55 | $29.55 | $649.99 |
| Apr 28, 2026 | 16 | $29.55 | $29.55 – $29.55 | $29.55 | $649.99 |
| Apr 29, 2026 | 21 | $29.55 | $29.55 – $29.55 | $29.55 | $649.99 |
| Apr 30, 2026 | 10 | $29.55 | $29.55 – $29.55 | $29.55 | $649.99 |
| May 1, 2026 | 7 | $29.55 | $29.55 – $29.55 | $29.55 | $649.99 |
| May 2, 2026 | 8 | $29.55 | $29.55 – $29.55 | $29.55 | $649.99 |
| May 3, 2026 | 2 | $29.55 | $29.55 – $29.55 | $29.55 | $649.99 |
| May 4, 2026 | 7 | $32.50 | $29.55 – $32.50 | $31.66 | $714.99 |
| May 5, 2026 | 7 | $32.50 | $32.50 – $32.50 | $32.50 | $714.99 |
| May 6, 2026 | 8 | $32.50 | $32.50 – $32.50 | $32.50 | $714.99 |
| May 7, 2026 | 4 | $32.50 | $32.50 – $32.50 | $32.50 | $714.99 |
| May 8, 2026 | 4 | $32.50 | $32.50 – $32.50 | $32.50 | $714.99 |
| May 9, 2026 | 1 | $32.50 | $32.50 – $32.50 | $32.50 | $714.99 |
| May 10, 2026 | 3 | $32.50 | $32.50 – $32.50 | $32.50 | $714.99 |
| May 12, 2026 | 2 | $32.50 | $32.50 – $32.50 | $32.50 | $714.99 |
| May 13, 2026 | 3 | $32.50 | $32.50 – $32.50 | $32.50 | $714.99 |
| May 14, 2026 | 7 | $32.50 | $32.50 – $32.50 | $32.50 | $714.99 |
| May 15, 2026 | 15 | $32.50 | $32.50 – $32.50 | $32.50 | $714.99 |
| May 16, 2026 | 13 | $32.50 | $32.50 – $32.50 | $32.50 | $714.99 |
| May 17, 2026 | 12 | $32.50 | $32.50 – $32.50 | $32.50 | $714.99 |
| May 18, 2026 | 14 | $32.50 | $32.50 – $32.50 | $32.50 | $714.99 |
| May 19, 2026 | 4 | $32.50 | $32.50 – $32.50 | $32.50 | $714.99 |