Cheaper from this brand
Western Digital Green 3TB
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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 $30.22/TB ($544.00 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 4 non-new.
Stay with Western Digital and cut the starting price.
Another Red Pro option from Western Digital at a comparable size.
Compare drive$544.00 |
$30.22 |
| Refurbished |
| - |
| Checked 1h 14m ago |
| Newegg via Server Part Deals 3rd Party | $544.00 | $30.22 | Refurbished | - | Checked 31m ago |
| Amazon via Amazon Marketplace 3rd Party | $740.00 | $41.11 | Unknown | - | Checked 2h 47m ago |
| Walmart via Adorama Camera 3rd Party | $794.99 | $44.17 | Unknown | - | Checked 4h 7m 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 |
|---|---|---|
| Sep 10, 2026 | $30.22 | $30.22 |
| Sep 9, 2026 | $30.22 | $30.22 |
| Sep 8, 2026 | $35.94 | $30.22 |
| Sep 7, 2026 | $41.67 | $30.22 |
| Sep 6, 2026 | $41.67 | $30.22 |
| Sep 5, 2026 | $41.67 | $30.22 |
| Sep 4, 2026 | $41.67 | $30.22 |
| Sep 3, 2026 | $41.67 | $30.22 |
| Sep 2, 2026 | $41.22 | $31.06 |
| Sep 1, 2026 | $41.22 | $31.06 |
| Aug 31, 2026 | $41.22 | $31.06 |
| Aug 30, 2026 | $41.22 | $31.06 |
| Aug 29, 2026 | $41.22 | $31.06 |
| Aug 28, 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 |
|---|---|---|---|---|---|
| Aug 17, 2026 | 1 | $40.83 | $40.83 – $40.83 | $40.83 | $734.99 |
| Aug 24, 2026 | 3 | $41.67 | $28.22 – $51.99 | $40.63 | $749.99 |
| Aug 25, 2026 | 3 | $41.67 | $28.22 – $51.99 | $40.63 | $749.99 |
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Alerts use the same store set as the history and charts and link back to this page.
$41.22 |
$31.06 |
| Aug 27, 2026 | $41.67 | $28.22 |
| Aug 26, 2026 | $41.67 | $28.22 |
| Aug 25, 2026 | $41.67 | $28.22 |
| Aug 24, 2026 | $41.67 | $28.22 |
| Aug 17, 2026 | $40.83 | $40.83 |
| Aug 26, 2026 | 3 | $41.67 | $28.22 – $51.99 | $40.63 | $749.99 |
| Aug 27, 2026 | 3 | $41.67 | $28.22 – $51.99 | $40.63 | $749.99 |
| Aug 28, 2026 | 3 | $41.22 | $31.06 – $51.99 | $41.42 | $741.99 |
| Aug 29, 2026 | 3 | $41.22 | $31.06 – $51.99 | $41.42 | $741.99 |
| Aug 30, 2026 | 3 | $41.22 | $31.06 – $51.99 | $41.42 | $741.99 |
| Aug 31, 2026 | 3 | $41.22 | $31.06 – $51.99 | $41.42 | $741.99 |
| Sep 1, 2026 | 3 | $41.22 | $31.06 – $51.99 | $41.42 | $741.99 |
| Sep 2, 2026 | 3 | $41.22 | $31.06 – $51.99 | $41.42 | $741.99 |
| Sep 3, 2026 | 3 | $41.67 | $30.22 – $51.99 | $41.29 | $749.99 |
| Sep 4, 2026 | 3 | $41.67 | $30.22 – $51.99 | $41.29 | $749.99 |
| Sep 5, 2026 | 3 | $41.67 | $30.22 – $51.99 | $41.29 | $749.99 |
| Sep 6, 2026 | 3 | $41.67 | $30.22 – $51.99 | $41.29 | $749.99 |
| Sep 7, 2026 | 3 | $41.67 | $30.22 – $51.99 | $41.29 | $749.99 |
| Sep 8, 2026 | 2 | $35.94 | $30.22 – $41.67 | $35.94 | $647.00 |
| Sep 9, 2026 | 1 | $30.22 | $30.22 – $30.22 | $30.22 | $544.00 |
| Sep 10, 2026 | 1 | $30.22 | $30.22 – $30.22 | $30.22 | $544.00 |