Toshiba X300 PRO 18 TB: price per TB and price history
Part number HDWR51JXZSTBASIN B09TQ96YYZBrand TOSHIBAInternal 3.5"
The Toshiba X300 PRO 18 TB (HDWR51JXZSTB) is an internal 3.5-inch hard drive by Toshiba with CMR recording. On amazon.com it costs $924.99 new, which is $51.39 per TB (as of Oct 28, 2026, 1:02 AM UTC). The TB index for internal 3.5-inch hard drives is $36.25 per TB.
Price per TB, New
Total $924.99 for 18 TB, cheapest new offer, excl. shipping
- 1 day
- 0.0 %
- 7 days
- 0.0 %
- 30 days
- ▲ 24.1 %
- 90-day low
- 41.41
90 days
How much does the Toshiba X300 PRO 18 TB cost per TB?
The Toshiba X300 PRO 18 TB costs $51.39 per TB new on amazon.com. That is 41.8% 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 29 by price per TB.
| Condition | Price | Price per TB | As of | Offer |
|---|---|---|---|---|
| New | $924.99Oct 28, 2026, 1:02 AM UTC | $51.39 | Oct 28, 2026, 1:02 AM 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 Toshiba X300 PRO 18 TB changed?
Over the last 30 days the price rose by 24.1%, from $745.58 to $924.99. The 90-day low is $41.41 per TB ($745.29). It counts the lowest price that held for at least 2 days.
| Period | Change in price per TB |
|---|---|
| 7 days | 0.0 % |
| 14 days | ▲ 24.1 % |
| 30 days | ▲ 24.1 % |
| 90 days | ▼ 7.6 % |
Price archive since Jul 30, 2026, updated daily.
What are the specs of the Toshiba X300 PRO 18 TB?
According to the Toshiba data sheet, the Toshiba X300 PRO 18 TB has CMR (conventional magnetic recording), 7,200 rpm and 512 MB cache. CMR suits RAID arrays and continuous operation.
| Spec | Value |
|---|---|
| Brand | Toshiba |
| Series | X300 Pro |
| Part number | HDWR51JXZSTB |
| ASIN | B09TQ96YYZ |
| Capacity | 18 TB (18 × 10¹² Byte) |
| Form factor | 3.5" internal |
| Technology | HDD |
| Recording | CMR |
| Spindle speed | 7,200 rpm |
| Cache | 512 MB |
Source: TOSHIBA data sheet
What are the alternatives to the Toshiba X300 PRO 18 TB?
At 18 TB, the Seagate 18 TB (ST18000NM000J) costs $39.56 per TB.
| Product | Capacity | Price per TB | Recording |
|---|---|---|---|
| Seagate 18 TB | 18 TB | $39.56 | CMR |
Frequently asked questions about the Toshiba X300 PRO 18 TB
Is the Toshiba X300 PRO 18 TB cheap right now?
The price per TB is 24.1% above the 90-day low of $41.41 and 41.8% above the TB index for its product type (as of Oct 28, 2026, 1:02 AM UTC).
Is the Toshiba X300 PRO 18 TB CMR or SMR?
CMR, according to the TOSHIBA data sheet.
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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".