Spend less in the same line
Western Digital My Book 4TB
Tracked: $33.25/TB • $133.01 total
4TB • HDD • USB
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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 16TB option is currently cheaper per terabyte.
View driveAnother My Book option from Western Digital at a comparable size.
View driveLive retailer offers
Current live offers across retailers on this site.
| Retailer | Price | $/TB | Condition | Stock | Checked |
|---|---|---|---|---|---|
| BestBuy Direct |
$34.47 |
| New |
| - |
| Checked 15h ago |
| Walmart via Smart Shopper LLC 3rd Party | $745.98 | $46.62 | New | - | Checked 4h 46m ago |
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Price history and comparisons
Daily median $/TB from the stores we compare, with daily lows highlighted.
| Date | Median $/TB | Low $/TB |
|---|---|---|
| May 18, 2026 | $34.47 | $34.47 |
| May 17, 2026 | $34.47 | $32.50 |
| May 16, 2026 | $34.47 | $34.47 |
| May 15, 2026 | $34.47 | $34.47 |
| May 14, 2026 | $34.47 | $34.47 |
| May 13, 2026 | $34.47 | $34.47 |
| May 12, 2026 | $34.47 | $34.47 |
| May 11, 2026 | $32.50 | $32.50 |
| May 10, 2026 | $32.50 |
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 week period from the stores we compare.
| Period start | Obs | Median $/TB | Range $/TB | Avg $/TB | Median price |
|---|---|---|---|---|---|
| Jan 26, 2026 | 10 | $25.19 | $24.66 – $25.19 | $25.08 | $402.99 |
| Feb 2, 2026 | 18 | $25.19 | $25.19 – $25.19 | $25.19 | $402.99 |
| Feb 9, 2026 | 19 | $25.19 |
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Alerts use the same store set as the history and charts and link back to this page.
$32.50 |
| May 9, 2026 | $32.50 | $32.50 |
| May 8, 2026 | $32.50 | $32.50 |
| May 7, 2026 | $34.47 | $34.47 |
| May 6, 2026 | $34.47 | $34.47 |
| May 5, 2026 | $34.47 | $34.47 |
| May 4, 2026 | $38.44 | $34.47 |
| May 3, 2026 | $38.44 | $38.44 |
| May 2, 2026 | $38.44 | $36.19 |
| May 1, 2026 | $36.19 | $36.19 |
| Apr 30, 2026 | $36.19 | $36.19 |
| Apr 29, 2026 | $36.19 | $36.19 |
| Apr 28, 2026 | $36.19 | $36.19 |
| Apr 27, 2026 | $36.19 | $36.19 |
| Apr 25, 2026 | $36.19 | $36.19 |
| Apr 24, 2026 | $36.19 | $36.19 |
| Apr 23, 2026 | $36.19 | $35.79 |
| Apr 22, 2026 | $35.79 | $35.79 |
| Apr 21, 2026 | $35.79 | $35.79 |
| Mar 23, 2026 | $24.58 | $24.58 |
| Mar 21, 2026 | $23.82 | $23.82 |
| Mar 20, 2026 | $23.82 | $23.82 |
| Mar 17, 2026 | $22.53 | $22.53 |
| Mar 16, 2026 | $22.53 | $22.53 |
| Mar 14, 2026 | $25.19 | $25.19 |
| Mar 13, 2026 | $25.19 | $25.19 |
| Mar 12, 2026 | $25.19 | $24.58 |
| Mar 11, 2026 | $23.81 | $23.81 |
| Mar 10, 2026 | $23.81 | $23.81 |
| Mar 8, 2026 | $23.81 | $23.81 |
| Mar 7, 2026 | $23.81 | $23.81 |
| Mar 6, 2026 | $23.81 | $23.81 |
| Mar 5, 2026 | $24.57 | $23.81 |
| Mar 3, 2026 | $25.19 | $25.19 |
| Mar 2, 2026 | $25.19 | $25.19 |
| Mar 1, 2026 | $25.19 | $25.19 |
| Feb 27, 2026 | $25.19 | $25.19 |
| Feb 26, 2026 | $25.19 | $25.19 |
| Feb 25, 2026 | $25.19 | $25.19 |
| Feb 23, 2026 | $25.19 | $25.19 |
| Feb 19, 2026 | $25.19 | $25.19 |
| Feb 18, 2026 | $25.19 | $25.19 |
| Feb 17, 2026 | $25.19 | $25.19 |
| Feb 16, 2026 | $25.19 | $25.19 |
| Feb 15, 2026 | $25.19 | $25.19 |
| Feb 14, 2026 | $25.19 | $25.19 |
| Feb 13, 2026 | $25.19 | $25.19 |
| Feb 12, 2026 | $25.19 | $25.19 |
| Feb 11, 2026 | $25.19 | $25.19 |
| Feb 10, 2026 | $25.19 | $25.19 |
| Feb 9, 2026 | $25.19 | $25.19 |
| Feb 8, 2026 | $25.19 | $25.19 |
| Feb 7, 2026 | $25.19 | $25.19 |
| Feb 6, 2026 | $25.19 | $25.19 |
| Feb 5, 2026 | $25.19 | $25.19 |
| Feb 3, 2026 | $25.19 | $25.19 |
| Feb 2, 2026 | $25.19 | $25.19 |
| Feb 1, 2026 | $24.66 | $24.66 |
| Jan 31, 2026 | $25.19 | $25.19 |
| Jan 30, 2026 | $25.19 | $25.19 |
| Jan 29, 2026 | $25.19 | $25.19 |
| $25.19 – $25.19 |
| $25.19 |
| $402.99 |
| Feb 16, 2026 | 16 | $25.19 | $25.19 – $25.19 | $25.19 | $402.99 |
| Feb 23, 2026 | 9 | $25.19 | $25.19 – $25.19 | $25.19 | $402.99 |
| Mar 2, 2026 | 11 | $23.81 | $23.81 – $25.19 | $24.20 | $381.02 |
| Mar 9, 2026 | 13 | $24.58 | $23.81 – $25.19 | $24.51 | $393.29 |
| Mar 16, 2026 | 8 | $22.53 | $22.53 – $25.19 | $23.19 | $360.49 |
| Mar 23, 2026 | 2 | $24.58 | $24.58 – $24.58 | $24.58 | $393.29 |
| Apr 20, 2026 | 12 | $35.99 | $35.79 – $36.19 | $35.99 | $575.87 |
| Apr 27, 2026 | 61 | $36.19 | $36.19 – $38.44 | $36.78 | $579.08 |
| May 4, 2026 | 53 | $34.47 | $32.50 – $38.44 | $34.36 | $551.49 |
| May 11, 2026 | 37 | $34.47 | $32.50 – $34.47 | $34.26 | $551.49 |
| May 18, 2026 | 7 | $34.47 | $34.47 – $34.47 | $34.47 | $551.49 |