WD Purple 18 TB: price per TB and price history
Part number WD180PURZASIN B08P2JRD9LBrand Western DigitalInternal 3.5"
The WD Purple 18 TB (WD180PURZ) is an internal 3.5-inch hard drive by Western Digital. On amazon.com it costs $1,089.00 new, which is $60.50 per TB (as of Oct 27, 2026, 8:59 PM UTC). The TB index for internal 3.5-inch hard drives is $36.25 per TB.
Price per TB, New
Total $1,089.00 for 18 TB, cheapest new offer, excl. shipping
- 1 day
- 0.0 %
- 7 days
- 0.0 %
- 30 days
- ▲ 11.7 %
- 90-day low
- 54.17
90 days
Price per TB, Used
Total $499.99 for 18 TB, cheapest used offer, excl. shipping
- 1 day
- 0.0 %
- 7 days
- ▼ 3.0 %
- 30 days
- ▼ 3.0 %
- 90-day low
- 27.78
90 days
How much does the WD Purple 18 TB cost per TB?
The WD Purple 18 TB costs $60.50 per TB new on amazon.com. That is 66.9% above the TB index for internal 3.5-inch hard drives ($36.25 per TB). Among 79 new internal 3.5-inch hard drives it ranks number 49 by price per TB.
| Condition | Price | Price per TB | As of | Offer |
|---|---|---|---|---|
| Used | $499.99Oct 27, 2026, 8:59 PM UTC | $27.78 | Oct 27, 2026, 8:59 PM UTC | Amazon* |
| New | $1,089.00Oct 27, 2026, 8:59 PM UTC | $60.50 | Oct 27, 2026, 8:59 PM UTC | Amazon* |
Prices: cheapest offer per condition from all sellers on amazon.com (Amazon and marketplace sellers), excluding shipping, timestamp per row. At the top of its product page, Amazon often shows the featured offer from another seller, which can cost more. The button therefore opens the list of all offers. The price may have changed since the timestamp. If the Amazon app opens in another country's store, prices there differ: set the app to United States or open the link in your browser.
How has the price of the WD Purple 18 TB changed?
Over the last 30 days the price rose by 11.7%, from $975.00 to $1,089.00. The 90-day low is $54.17 per TB ($975.00). It counts the lowest price that held for at least 2 days.
| Period | Change in price per TB |
|---|---|
| 7 days | 0.0 % |
| 14 days | ▲ 0.7 % |
| 30 days | ▲ 11.7 % |
| 90 days | ▲ 10.1 % |
Price archive since Jul 29, 2026, updated daily.
What are the specs of the WD Purple 18 TB?
According to the listing, the WD Purple 18 TB has 18 TB of capacity, form factor 3.5" internal.
| Spec | Value |
|---|---|
| Brand | Western Digital |
| Part number | WD180PURZ |
| ASIN | B08P2JRD9L |
| Capacity | 18 TB (18 × 10¹² Byte) |
| Form factor | 3.5" internal |
| Technology | HDD |
What are the alternatives to the WD Purple 18 TB?
In the same series, the WD Purple 4 TB (WD44PURZ-SPCPDY0) is cheaper at $48.75 per TB. At 18 TB, the Seagate 18 TB (ST18000NM000J) costs $39.56 per TB.
| Product | Capacity | Price per TB | Recording |
|---|---|---|---|
| WD Purple 1 TB | 1 TB | $152.00 | CMR |
| WD Purple 2 TB | 2 TB | $87.37 | |
| WD Purple 3 TB | 3 TB | $69.67 | CMR |
| WD Purple 4 TB | 4 TB | $48.75 | CMR |
| WD Purple 6 TB | 6 TB | $54.42 | CMR |
| WD Purple 8 TB | 8 TB | $54.25 | CMR |
| WD Purple 12 TB | 12 TB | $59.97 | CMR |
| WD Purple 14 TB | 14 TB | $56.30 |
| Product | Capacity | Price per TB | Recording |
|---|---|---|---|
| Seagate 18 TB | 18 TB | $39.56 | CMR |
| Toshiba X300 PRO 18 TB | 18 TB | $51.39 | CMR |
Frequently asked questions about the WD Purple 18 TB
Is the WD Purple 18 TB cheap right now?
The price per TB is 11.7% above the 90-day low of $54.17 and 66.9% above the TB index for its product type (as of Oct 27, 2026, 8:59 PM UTC).
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Prices: amazon.com, timestamp per row. Specs: manufacturer data sheet. Calculation: How the TB index works. All offers Internal 3.5".