Spend less in the same line
Western Digital My Book 4TB
Tracked: $33.75/TB • $134.99 total
4TB • HDD • USB
Stay with My Book and cut the starting price.
View driveLoading drive details
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 driveSame interface and a more comparable size from Western Digital.
View drive$255.00 |
$31.88 |
| New |
| - |
| Checked 2d ago |
| BestBuy Direct | $349.99 | $43.75 | New | - | Checked 2d ago |
| Newegg Direct | $373.74 | $46.72 | New | - | Checked 2d ago |
| Walmart via IPC Store 3rd Party | $383.52 | $47.94 | New | - | Checked 2d ago |
Last known inactive retailers
These retailers had a tracked offer for this product within the last 90 days and were checked recently, but do not have a live offer on the page right now.
| Retailer | Last Price | $/TB | Last Seen | Status |
|---|---|---|---|---|
| B&H Photo Video Last known offer on site | $299.99 | $37.50 | Apr 21, 2026 (2d ago) | No longer active |
Price history and comparisons
Daily median $/TB from the stores we compare, with daily lows highlighted.
| Date | Median $/TB | Low $/TB |
|---|---|---|
| Mar 22, 2026 | $30.62 | $30.62 |
| Mar 23, 2026 | $30.62 | $30.62 |
| Mar 24, 2026 | $30.62 | $30.62 |
| Mar 25, 2026 | $30.62 | $30.62 |
| Mar 26, 2026 | $30.62 | $30.62 |
| Mar 27, 2026 | $30.62 | $30.62 |
| Mar 28, 2026 | $30.62 | $30.62 |
| Mar 29, 2026 | $31.75 | $30.62 |
| Mar 30, 2026 | $32.50 | $30.62 |
| Mar 31, 2026 | $32.50 | $30.62 |
| Apr 1, 2026 | $31.56 | $30.62 |
| Apr 2, 2026 | $30.62 | $30.62 |
| Apr 3, 2026 | $30.62 | $30.62 |
| Apr 4, 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 |
|---|---|---|---|---|---|
| Mar 23, 2026 | 4 | $30.62 | $30.62 – $30.62 | $30.62 | $244.99 |
| Mar 24, 2026 | 4 | $30.62 | $30.62 – $30.62 | $30.62 | $244.99 |
| Mar 25, 2026 | 4 |
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.
$30.62 |
$30.62 |
| Apr 5, 2026 | $30.62 | $30.62 |
| Apr 6, 2026 | $34.50 | $32.50 |
| Apr 7, 2026 | $37.50 | $34.62 |
| Apr 8, 2026 | $37.50 | $37.50 |
| Apr 9, 2026 | $37.50 | $37.50 |
| Apr 10, 2026 | $37.50 | $37.50 |
| Apr 11, 2026 | $37.50 | $37.50 |
| Apr 12, 2026 | $37.50 | $37.50 |
| Apr 13, 2026 | $37.50 | $37.50 |
| Apr 14, 2026 | $39.75 | $37.50 |
| Apr 15, 2026 | $38.56 | $37.50 |
| Apr 16, 2026 | $39.62 | $37.50 |
| Apr 17, 2026 | $39.62 | $37.50 |
| Apr 18, 2026 | $39.62 | $37.50 |
| Apr 19, 2026 | $43.75 | $37.50 |
| Apr 20, 2026 | $43.75 | $37.50 |
| Apr 21, 2026 | $43.75 | $37.50 |
| $30.62 |
| $30.62 – $30.62 |
| $30.62 |
| $244.99 |
| Mar 26, 2026 | 5 | $30.62 | $30.62 – $32.87 | $31.07 | $244.99 |
| Mar 27, 2026 | 6 | $30.62 | $30.62 – $32.87 | $31.37 | $244.99 |
| Mar 28, 2026 | 4 | $30.62 | $30.62 – $32.87 | $31.19 | $244.99 |
| Mar 29, 2026 | 8 | $31.75 | $30.62 – $32.87 | $31.75 | $253.99 |
| Mar 30, 2026 | 11 | $32.50 | $30.62 – $32.87 | $31.99 | $259.99 |
| Mar 31, 2026 | 12 | $32.50 | $30.62 – $32.50 | $31.87 | $259.99 |
| Apr 1, 2026 | 8 | $31.56 | $30.62 – $32.50 | $31.56 | $252.49 |
| Apr 2, 2026 | 5 | $30.62 | $30.62 – $32.50 | $31.00 | $244.99 |
| Apr 3, 2026 | 7 | $30.62 | $30.62 – $32.50 | $31.43 | $244.99 |
| Apr 4, 2026 | 4 | $30.62 | $30.62 – $30.62 | $30.62 | $244.99 |
| Apr 5, 2026 | 5 | $30.62 | $30.62 – $32.50 | $31.00 | $244.99 |
| Apr 6, 2026 | 9 | $34.50 | $32.50 – $37.50 | $35.16 | $275.97 |
| Apr 7, 2026 | 5 | $37.50 | $34.62 – $37.50 | $36.92 | $299.99 |
| Apr 8, 2026 | 4 | $37.50 | $37.50 – $39.75 | $38.06 | $299.99 |
| Apr 9, 2026 | 5 | $37.50 | $37.50 – $39.75 | $37.95 | $299.99 |
| Apr 10, 2026 | 7 | $37.50 | $37.50 – $39.75 | $38.46 | $299.99 |
| Apr 11, 2026 | 7 | $37.50 | $37.50 – $39.75 | $38.46 | $299.99 |
| Apr 12, 2026 | 6 | $37.50 | $37.50 – $39.75 | $38.25 | $299.99 |
| Apr 13, 2026 | 4 | $37.50 | $37.50 – $37.50 | $37.50 | $299.99 |
| Apr 14, 2026 | 5 | $39.75 | $37.50 – $39.75 | $38.85 | $317.99 |
| Apr 15, 2026 | 8 | $38.56 | $37.50 – $39.75 | $38.61 | $308.49 |
| Apr 16, 2026 | 10 | $39.62 | $37.50 – $39.62 | $38.77 | $316.99 |
| Apr 17, 2026 | 10 | $39.62 | $37.50 – $39.62 | $38.77 | $316.99 |
| Apr 18, 2026 | 11 | $39.62 | $37.50 – $39.62 | $38.85 | $316.99 |
| Apr 19, 2026 | 9 | $43.75 | $37.50 – $43.75 | $41.67 | $349.99 |
| Apr 20, 2026 | 23 | $43.75 | $37.50 – $43.75 | $42.37 | $349.99 |
| Apr 21, 2026 | 5 | $43.75 | $37.50 – $46.72 | $43.69 | $349.99 |