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 | $551.49 | $34.47 | New | - | Checked 15h ago |
| Walmart via Smart Shopper LLC 3rd Party | $745.98 | $46.62 | New | - | Checked 4h 2m 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 |
|---|---|---|
| Feb 18, 2026 | $25.19 | $25.19 |
| Feb 19, 2026 | $25.19 | $25.19 |
| Feb 23, 2026 | $25.19 | $25.19 |
| Feb 25, 2026 | $25.19 | $25.19 |
| Feb 26, 2026 | $25.19 | $25.19 |
| Feb 27, 2026 | $25.19 | $25.19 |
| Mar 1, 2026 | $25.19 | $25.19 |
| Mar 2, 2026 | $25.19 | $25.19 |
| Mar 3, 2026 | $25.19 | $25.19 |
| Mar 5, 2026 | $24.57 | $23.81 |
| Mar 6, 2026 | $23.81 | $23.81 |
| Mar 7, 2026 | $23.81 | $23.81 |
| Mar 8, 2026 | $23.81 | $23.81 |
| Mar 10, 2026 | $23.81 | $23.81 |
| Mar 11, 2026 | $23.81 | $23.81 |
| Mar 12, 2026 | $25.19 | $24.58 |
| Mar 13, 2026 | $25.19 | $25.19 |
| Mar 14, 2026 | $25.19 | $25.19 |
| Mar 16, 2026 | $22.53 | $22.53 |
| Mar 17, 2026 | $22.53 | $22.53 |
| Mar 20, 2026 | $23.82 | $23.82 |
| Mar 21, 2026 | $23.82 | $23.82 |
| Mar 23, 2026 | $24.58 | $24.58 |
| Apr 21, 2026 | $35.79 | $35.79 |
| Apr 22, 2026 | $35.79 | $35.79 |
| Apr 23, 2026 | $36.19 | $35.79 |
| Apr 24, 2026 | $36.19 | $36.19 |
| Apr 25, 2026 | $36.19 | $36.19 |
| Apr 27, 2026 | $36.19 | $36.19 |
| Apr 28, 2026 | $36.19 | $36.19 |
| Apr 29, 2026 | $36.19 | $36.19 |
| Apr 30, 2026 | $36.19 | $36.19 |
| May 1, 2026 | $36.19 | $36.19 |
| May 2, 2026 | $38.44 | $36.19 |
| May 3, 2026 | $38.44 | $38.44 |
| May 4, 2026 | $38.44 | $34.47 |
| May 5, 2026 | $34.47 | $34.47 |
| May 6, 2026 | $34.47 | $34.47 |
| May 7, 2026 | $34.47 | $34.47 |
| May 8, 2026 | $32.50 | $32.50 |
| May 9, 2026 | $32.50 | $32.50 |
| May 10, 2026 | $32.50 | $32.50 |
| May 11, 2026 | $32.50 | $32.50 |
| May 12, 2026 | $34.47 | $34.47 |
| May 13, 2026 | $34.47 | $34.47 |
| May 14, 2026 | $34.47 | $34.47 |
| May 15, 2026 | $34.47 | $34.47 |
| May 16, 2026 | $34.47 | $34.47 |
| May 17, 2026 | $34.47 | $32.50 |
| May 18, 2026 | $34.47 | $34.47 |
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 |
|---|---|---|---|---|---|
| Feb 19, 2026 | 2 | $25.19 | $25.19 – $25.19 | $25.19 | $402.99 |
| Feb 23, 2026 | 4 | $25.19 | $25.19 – $25.19 | $25.19 | $402.99 |
| Feb 25, 2026 | 1 | $25.19 | $25.19 – $25.19 | $25.19 | $402.99 |
| Feb 26, 2026 | 2 | $25.19 | $25.19 – $25.19 | $25.19 | $402.99 |
| Feb 27, 2026 | 1 | $25.19 | $25.19 – $25.19 | $25.19 | $402.99 |
| Mar 1, 2026 | 1 | $25.19 | $25.19 – $25.19 | $25.19 | $402.99 |
| Mar 2, 2026 | 1 | $25.19 | $25.19 – $25.19 | $25.19 | $402.99 |
| Mar 3, 2026 | 1 | $25.19 | $25.19 – $25.19 | $25.19 | $402.99 |
| Mar 5, 2026 | 3 | $24.57 | $23.81 – $24.57 | $24.32 | $393.14 |
| Mar 6, 2026 | 3 | $23.81 | $23.81 – $23.81 | $23.81 | $381.02 |
| Mar 7, 2026 | 2 | $23.81 | $23.81 – $23.81 | $23.81 | $381.02 |
| Mar 8, 2026 | 1 | $23.81 | $23.81 – $23.81 | $23.81 | $381.02 |
| Mar 10, 2026 | 3 | $23.81 | $23.81 – $23.81 | $23.81 | $381.02 |
| Mar 11, 2026 | 3 | $23.81 | $23.81 – $23.81 | $23.81 | $381.02 |
| Mar 12, 2026 | 3 | $25.19 | $24.58 – $25.19 | $24.98 | $402.99 |
| Mar 13, 2026 | 3 | $25.19 | $25.19 – $25.19 | $25.19 | $402.99 |
| Mar 14, 2026 | 1 | $25.19 | $25.19 – $25.19 | $25.19 | $402.99 |
| Mar 16, 2026 | 3 | $22.53 | $22.53 – $25.19 | $23.42 | $360.49 |
| Mar 17, 2026 | 3 | $22.53 | $22.53 – $22.53 | $22.53 | $360.49 |
| Mar 20, 2026 | 1 | $23.82 | $23.82 – $23.82 | $23.82 | $381.13 |
| Mar 21, 2026 | 1 | $23.82 | $23.82 – $23.82 | $23.82 | $381.13 |
| Mar 23, 2026 | 2 | $24.58 | $24.58 – $24.58 | $24.58 | $393.29 |
| Apr 21, 2026 | 1 | $35.79 | $35.79 – $35.79 | $35.79 | $572.66 |
| Apr 22, 2026 | 4 | $35.79 | $35.79 – $35.79 | $35.79 | $572.66 |
| Apr 23, 2026 | 4 | $36.19 | $35.79 – $36.19 | $36.09 | $579.08 |
| Apr 24, 2026 | 2 | $36.19 | $36.19 – $36.19 | $36.19 | $579.08 |
| Apr 25, 2026 | 1 | $36.19 | $36.19 – $36.19 | $36.19 | $579.08 |
| Apr 27, 2026 | 13 | $36.19 | $36.19 – $36.19 | $36.19 | $579.08 |
| Apr 28, 2026 | 1 | $36.19 | $36.19 – $36.19 | $36.19 | $579.08 |
| Apr 29, 2026 | 1 | $36.19 | $36.19 – $36.19 | $36.19 | $579.08 |
| Apr 30, 2026 | 14 | $36.19 | $36.19 – $36.19 | $36.19 | $579.08 |
| May 1, 2026 | 11 | $36.19 | $36.19 – $36.19 | $36.19 | $579.08 |
| May 2, 2026 | 11 | $38.44 | $36.19 – $38.44 | $37.42 | $615.11 |
| May 3, 2026 | 10 | $38.44 | $38.44 – $38.44 | $38.44 | $615.11 |
| May 4, 2026 | 10 | $38.44 | $34.47 – $38.44 | $37.64 | $615.11 |
| May 5, 2026 | 6 | $34.47 | $34.47 – $34.47 | $34.47 | $551.49 |
| May 6, 2026 | 5 | $34.47 | $34.47 – $34.47 | $34.47 | $551.49 |
| May 7, 2026 | 5 | $34.47 | $34.47 – $34.47 | $34.47 | $551.49 |
| May 8, 2026 | 9 | $32.50 | $32.50 – $32.50 | $32.50 | $519.99 |
| May 9, 2026 | 9 | $32.50 | $32.50 – $32.50 | $32.50 | $519.99 |
| May 10, 2026 | 9 | $32.50 | $32.50 – $36.39 | $34.23 | $519.99 |
| May 11, 2026 | 1 | $32.50 | $32.50 – $32.50 | $32.50 | $519.99 |
| May 12, 2026 | 1 | $34.47 | $34.47 – $34.47 | $34.47 | $551.49 |
| May 13, 2026 | 7 | $34.47 | $34.47 – $34.47 | $34.47 | $551.49 |
| May 14, 2026 | 8 | $34.47 | $34.47 – $34.47 | $34.47 | $551.49 |
| May 15, 2026 | 7 | $34.47 | $34.47 – $34.47 | $34.47 | $551.49 |
| May 16, 2026 | 6 | $34.47 | $34.47 – $34.47 | $34.47 | $551.49 |
| May 17, 2026 | 7 | $34.47 | $32.50 – $34.47 | $33.62 | $551.49 |
| May 18, 2026 | 7 | $34.47 | $34.47 – $34.47 | $34.47 | $551.49 |
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Alerts use the same store set as the history and charts and link back to this page.