Compare the same line
Western Digital My Book 4TB
Tracked: $78.26/TB • $313.05 total
4TB • HDD • USB
Compare this My Book option's total price and cost per terabyte.
Compare driveLoading drive details
Fetching current data…Affiliate note: some links may earn us a commission.
This lead price comes from a store we show in live offers, but not from the stores we use for the chart. Use the chart before calling it a market low.
Also compare Western Digital My Book 4TB. Compare this My Book option's total price and cost per terabyte.
Compare this My Book option's total price and cost per terabyte.
Compare driveCompare the cost per terabyte of another 6TB option.
Compare drive$51.00 |
| New |
| - |
| Checked 2h 34m ago |
| BestBuy via Third Party Seller 3rd Party | $349.99 | $58.33 | New | - | Checked 2h 11m ago |
| Newegg via Technology Galaxy 3rd Party | $380.15 | $63.36 | New | - | Checked 3h 48m ago |
Affiliate note. Some links may earn us a commission. Amazon note. As an Amazon Associate, ListofDisks earns from qualifying purchases.
Daily median $/TB from the stores we compare, alongside the lowest qualified offer observed each day.
| Date | Median $/TB | Low $/TB |
|---|---|---|
| Oct 8, 2026 | $63.36 | $63.36 |
| Oct 7, 2026 | $63.36 | $63.36 |
| Oct 6, 2026 | $62.28 | $62.28 |
| Oct 5, 2026 | $64.54 | $62.28 |
| Oct 4, 2026 | $64.54 | $62.28 |
| Oct 3, 2026 | $62.28 | $62.28 |
| Oct 2, 2026 | $62.28 | $62.28 |
| Oct 1, 2026 | $62.28 | $62.28 |
| Aug 17, 2026 | $57.42 | $57.42 |
Price history, alerts, and similar-drive comparisons exclude Amazon and Walmart and use only offers we can reliably compare. Current offers above include more stores.
Observation counts, medians, ranges, and averages by week from the stores we compare.
| Period start | Obs | Median $/TB | Range $/TB | Avg $/TB | Median price |
|---|---|---|---|---|---|
| Aug 17, 2026 | 1 | $57.42 | $57.42 – $57.42 | $57.42 | $344.49 |
| Sep 28, 2026 | 5 | $62.28 | $62.28 – $66.79 | $63.18 | $373.67 |
| Oct 5, 2026 | 5 | $63.36 | $62.28 – $66.79 |
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.
Another My Book option from Western Digital at a comparable size.
Weekly Briefing: Get notable capacity moves and market lows sent to your inbox.
| $63.61 |
| $380.15 |