Spend less in the same line
Western Digital My Book 4TB
Tracked: $40.75/TB • $163.00 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 6TB option is currently cheaper per terabyte.
View driveAnother My Book option from Western Digital at a comparable size.
View drive$324.99 |
$54.17 |
| New |
| - |
| Checked 3h 46m ago |
| BestBuy Direct | $344.49 | $57.42 | New | - | Checked 13m 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 |
|---|---|---|
| Jun 4, 2026 | $54.17 | $51.95 |
| Jun 3, 2026 | $54.17 | $51.95 |
| Jun 2, 2026 | $54.17 | $50.50 |
| Jun 1, 2026 | $46.83 | $44.17 |
| May 31, 2026 | $44.17 | $44.17 |
| May 30, 2026 | $44.17 | $44.17 |
| May 29, 2026 | $44.17 | $44.17 |
| May 28, 2026 | $44.17 | $44.17 |
| May 27, 2026 | $46.83 | $44.17 |
| May 26, 2026 | $44.17 | $44.17 |
| May 25, 2026 | $44.17 | $44.17 |
| May 19, 2026 | $44.17 | $44.17 |
| May 18, 2026 | $44.17 | $44.17 |
| May 17, 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 |
|---|---|---|---|---|---|
| May 6, 2026 | 12 | $44.17 | $44.17 – $46.83 | $45.28 | $264.99 |
| May 7, 2026 | 13 | $44.17 | $44.17 – $46.83 | $45.19 | $264.99 |
| May 8, 2026 | 13 | $44.17 | $44.17 – $49.88 | $45.43 |
Get emailed when the compared price moves below your threshold.
Alerts use the same store set as the history and charts and link back to this page.
$44.17 |
$44.17 |
| May 16, 2026 | $44.17 | $44.17 |
| May 15, 2026 | $44.17 | $44.17 |
| May 14, 2026 | $44.17 | $44.17 |
| May 13, 2026 | $44.17 | $44.17 |
| May 12, 2026 | $44.17 | $44.17 |
| May 11, 2026 | $44.17 | $44.17 |
| May 10, 2026 | $44.17 | $44.17 |
| May 9, 2026 | $44.17 | $44.17 |
| May 8, 2026 | $44.17 | $44.17 |
| May 7, 2026 | $44.17 | $44.17 |
| May 6, 2026 | $44.17 | $44.17 |
| May 5, 2026 | $44.17 | $44.17 |
| $264.99 |
| May 9, 2026 | 13 | $44.17 | $44.17 – $50.66 | $46.42 | $264.99 |
| May 10, 2026 | 12 | $44.17 | $44.17 – $49.88 | $46.55 | $264.99 |
| May 11, 2026 | 6 | $44.17 | $44.17 – $49.88 | $45.12 | $264.99 |
| May 12, 2026 | 5 | $44.17 | $44.17 – $44.17 | $44.17 | $264.99 |
| May 13, 2026 | 17 | $44.17 | $44.17 – $50.72 | $45.72 | $264.99 |
| May 14, 2026 | 14 | $44.17 | $44.17 – $46.83 | $44.93 | $264.99 |
| May 15, 2026 | 20 | $44.17 | $44.17 – $46.83 | $44.70 | $264.99 |
| May 16, 2026 | 17 | $44.17 | $44.17 – $46.83 | $44.64 | $264.99 |
| May 17, 2026 | 17 | $44.17 | $44.17 – $46.83 | $44.95 | $264.99 |
| May 18, 2026 | 13 | $44.17 | $44.17 – $46.83 | $44.99 | $264.99 |
| May 19, 2026 | 9 | $44.17 | $44.17 – $46.83 | $45.05 | $264.99 |
| May 25, 2026 | 8 | $44.17 | $44.17 – $46.83 | $44.83 | $264.99 |
| May 26, 2026 | 10 | $44.17 | $44.17 – $46.83 | $44.97 | $264.99 |
| May 27, 2026 | 7 | $46.83 | $44.17 – $46.83 | $45.69 | $280.99 |
| May 28, 2026 | 12 | $44.17 | $44.17 – $46.83 | $44.83 | $264.99 |
| May 29, 2026 | 20 | $44.17 | $44.17 – $46.83 | $44.70 | $264.99 |
| May 30, 2026 | 26 | $44.17 | $44.17 – $46.83 | $44.99 | $264.99 |
| May 31, 2026 | 28 | $44.17 | $44.17 – $46.83 | $44.93 | $264.99 |
| Jun 1, 2026 | 27 | $46.83 | $44.17 – $54.17 | $48.01 | $280.99 |
| Jun 2, 2026 | 17 | $54.17 | $50.50 – $54.17 | $52.75 | $324.99 |
| Jun 3, 2026 | 21 | $54.17 | $51.95 – $54.17 | $53.32 | $324.99 |
| Jun 4, 2026 | 10 | $54.17 | $51.95 – $57.42 | $53.60 | $324.99 |