WD Black 6 TB: price per TB and price history
Part number WD6004FZBXASIN B0D1TZTSJWBrand Western DigitalInternal 3.5"
The WD Black 6 TB (WD6004FZBX) is an internal 3.5-inch hard drive by Western Digital with CMR recording. On amazon.com it costs $314.99 new, which is $52.50 per TB (as of Oct 28, 2026, 12:49 AM UTC). The TB index for internal 3.5-inch hard drives is $36.25 per TB.
Price per TB, New
Total $314.99 for 6 TB, cheapest new offer, excl. shipping
- 1 day
- ▼ 17.3 %
- 7 days
- ▼ 16.4 %
- 30 days
- ▼ 17.3 %
- 90-day low
- 42.00
90 days
How much does the WD Black 6 TB cost per TB?
The WD Black 6 TB costs $52.50 per TB new on amazon.com. That is 44.8% 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 32 by price per TB.
| Condition | Price | Price per TB | As of | Offer |
|---|---|---|---|---|
| New | $314.99Oct 28, 2026, 12:49 AM UTC | $52.50 | Oct 28, 2026, 12:49 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 WD Black 6 TB changed?
Over the last 30 days the price fell by 17.3%, from $381.00 to $314.99. The 90-day low is $42.00 per TB ($251.99). It counts the lowest price that held for at least 2 days.
| Period | Change in price per TB |
|---|---|
| 7 days | ▼ 16.4 % |
| 14 days | ▼ 17.3 % |
| 30 days | ▼ 17.3 % |
| 90 days | ▼ 17.4 % |
Price archive since Jul 30, 2026, updated daily.
What are the specs of the WD Black 6 TB?
According to the Western Digital data sheet, the WD Black 6 TB has CMR (conventional magnetic recording), 7,200 rpm and 256 MB cache. CMR suits RAID arrays and continuous operation.
| Spec | Value |
|---|---|
| Brand | Western Digital |
| Series | WD_BLACK |
| Part number | WD6004FZBX |
| ASIN | B0D1TZTSJW |
| Capacity | 6 TB (6 × 10¹² Byte) |
| Form factor | 3.5" internal |
| Technology | HDD |
| Recording | CMR |
| Spindle speed | 7,200 rpm |
| Cache | 256 MB |
Source: Western Digital data sheet
What are the alternatives to the WD Black 6 TB?
No other capacity in the same series is cheaper per TB. At 6 TB, the HGST Ultrastar He6 6 TB (0F18335) costs $23.08 per TB.
| Product | Capacity | Price per TB | Recording |
|---|---|---|---|
| WD Black 1 TB | 1 TB | $124.00 | CMR |
| Product | Capacity | Price per TB | Recording |
|---|---|---|---|
| HGST Ultrastar He6 6 TB | 6 TB | $23.08 | |
| WD HGST Ultrastar He8 Helium 6 TB | 6 TB | $28.08 | |
| Mdd Maxdigitaldata 7200RPM 6 TB | 6 TB | $35.00 | |
| MFerraz 512e 6 TB | 6 TB | $37.50 | CMR |
Frequently asked questions about the WD Black 6 TB
Is the WD Black 6 TB cheap right now?
The price per TB is 25.0% above the 90-day low of $42.00 and 44.8% above the TB index for its product type (as of Oct 28, 2026, 12:49 AM UTC).
Is the WD Black 6 TB CMR or SMR?
CMR, according to the Western Digital 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".