Cheaper from this brand
Western Digital Purple 6TB
Live retailer offers, specs, and price history.
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ListofDisks take
The lowest visible price we see for Western Digital Red Pro WD181KFGX 18TB (18TB HDD SATA CMR) is from Amazon at $28.22/TB ($508.00 total). 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.
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Here are a few similar options from the stores we compare. Open any product page to see its live offers.
Live retailer offers
Current live offers across retailers on this site. Showing all live offers, including 3 non-new.
| Retailer | Price | $/TB | Condition | Stock | Checked |
|---|---|---|---|---|---|
| Amazon via Amazon Marketplace 3rd Party |
Stay with Western Digital and cut the starting price.
Another Red Pro option from Western Digital at a comparable size.
Compare drive$28.22 |
| Refurbished |
| - |
| Checked 1h 23m ago |
| Amazon via Amazon Marketplace 3rd Party | $749.99 | $41.67 | Unknown | - | Checked 2h 14m ago |
| Walmart via Adorama Camera 3rd Party | $749.99 | $41.67 | Unknown | - | Checked 1h 6m ago |
Affiliate note. Some links may earn us a commission. Amazon note. As an Amazon Associate, ListofDisks earns from qualifying purchases.
Price history and comparisons
Daily median $/TB from the stores we compare, alongside the lowest qualified offer observed each day.
| Date | Median $/TB | Low $/TB |
|---|---|---|
| Jul 21, 2026 | $51.99 | $44.17 |
| Jul 20, 2026 | $51.99 | $44.17 |
| Jul 19, 2026 | $51.99 | $43.61 |
| Jul 18, 2026 | $51.99 | $43.61 |
| Jul 17, 2026 | $51.99 | $43.61 |
| Jul 16, 2026 | $51.99 | $43.61 |
| Jul 15, 2026 | $51.99 | $43.61 |
| Jul 14, 2026 | $51.99 | $43.61 |
| Jul 13, 2026 | $51.99 | $41.67 |
| Jul 12, 2026 | $51.99 | $41.67 |
| Jul 11, 2026 | $51.99 | $41.67 |
| Jul 10, 2026 | $51.99 | $51.99 |
| Jul 9, 2026 | $51.99 | $51.99 |
| Jul 8, 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 26, 2026 | 20 | $37.65 | $34.44 – $37.65 | $37.49 | $677.62 |
| May 27, 2026 | 13 | $37.65 | $37.65 – $37.65 | $37.65 | $677.62 |
| Jun 2, 2026 | 2 | $40.15 | $40.15 – $40.15 | $40.15 | $722.65 |
$51.99 |
$44.17 |
| Jul 7, 2026 | $51.99 | $51.99 |
| Jul 6, 2026 | $51.99 | $51.99 |
| Jul 5, 2026 | $51.99 | $51.99 |
| Jul 4, 2026 | $51.99 | $48.67 |
| Jul 3, 2026 | $48.67 | $40.56 |
| Jul 2, 2026 | $48.67 | $48.67 |
| Jul 1, 2026 | $48.67 | $48.67 |
| Jun 30, 2026 | $48.67 | $48.67 |
| Jun 29, 2026 | $48.67 | $48.67 |
| Jun 26, 2026 | $40.83 | $40.83 |
| Jun 17, 2026 | $44.75 | $40.83 |
| Jun 16, 2026 | $48.67 | $48.67 |
| Jun 15, 2026 | $48.67 | $48.67 |
| Jun 10, 2026 | $40.83 | $40.83 |
| Jun 2, 2026 | $40.15 | $40.15 |
| May 27, 2026 | $37.65 | $37.65 |
| May 26, 2026 | $37.65 | $34.44 |
| May 25, 2026 | $37.65 | $31.39 |
| Jun 10, 2026 | 1 | $40.83 | $40.83 – $40.83 | $40.83 | $734.99 |
| Jun 15, 2026 | 4 | $48.67 | $48.67 – $48.67 | $48.67 | $876.09 |
| Jun 16, 2026 | 8 | $48.67 | $48.67 – $48.67 | $48.67 | $876.09 |
| Jun 17, 2026 | 2 | $44.75 | $40.83 – $48.67 | $44.75 | $805.54 |
| Jun 26, 2026 | 1 | $40.83 | $40.83 – $40.83 | $40.83 | $734.99 |
| Jun 29, 2026 | 13 | $48.67 | $48.67 – $48.67 | $48.67 | $876.09 |
| Jun 30, 2026 | 25 | $48.67 | $48.67 – $48.67 | $48.67 | $876.09 |
| Jul 1, 2026 | 24 | $48.67 | $48.67 – $48.67 | $48.67 | $876.09 |
| Jul 2, 2026 | 25 | $48.67 | $48.67 – $48.67 | $48.67 | $876.09 |
| Jul 3, 2026 | 24 | $48.67 | $40.56 – $48.67 | $48.33 | $876.09 |
| Jul 4, 2026 | 23 | $51.99 | $48.67 – $51.99 | $50.84 | $935.83 |
| Jul 5, 2026 | 22 | $51.99 | $51.99 – $51.99 | $51.99 | $935.83 |
| Jul 6, 2026 | 25 | $51.99 | $51.99 – $51.99 | $51.99 | $935.83 |
| Jul 7, 2026 | 25 | $51.99 | $51.99 – $51.99 | $51.99 | $935.83 |
| Jul 8, 2026 | 22 | $51.99 | $44.17 – $51.99 | $51.63 | $935.83 |
| Jul 9, 2026 | 25 | $51.99 | $51.99 – $51.99 | $51.99 | $935.83 |
| Jul 10, 2026 | 24 | $51.99 | $51.99 – $51.99 | $51.99 | $935.83 |
| Jul 11, 2026 | 30 | $51.99 | $41.67 – $51.99 | $50.27 | $935.83 |
| Jul 12, 2026 | 28 | $51.99 | $41.67 – $51.99 | $50.52 | $935.83 |
| Jul 13, 2026 | 13 | $51.99 | $41.67 – $51.99 | $49.80 | $935.83 |
| Jul 14, 2026 | 11 | $51.99 | $43.61 – $51.99 | $49.81 | $935.83 |
| Jul 15, 2026 | 12 | $51.99 | $43.61 – $51.99 | $49.20 | $935.83 |
| Jul 16, 2026 | 12 | $51.99 | $43.61 – $51.99 | $49.20 | $935.83 |
| Jul 17, 2026 | 12 | $51.99 | $43.61 – $51.99 | $49.20 | $935.83 |
| Jul 18, 2026 | 12 | $51.99 | $43.61 – $51.99 | $49.20 | $935.83 |
| Jul 19, 2026 | 12 | $51.99 | $43.61 – $51.99 | $49.20 | $935.83 |
| Jul 20, 2026 | 11 | $51.99 | $44.17 – $51.99 | $49.86 | $935.83 |
| Jul 21, 2026 | 3 | $51.99 | $44.17 – $51.99 | $49.38 | $935.83 |