The Seagate BarraCuda 6TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 5400 RPM 256MB Cache for Computer Desktop PC – Frustration Free Packaging (ST6000DMZ03) costs $0.0330/GB while the Western Digital 6TB WD_Black Performance Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD6004FZBX costs $0.0395/GB. Seagate BarraCuda 6TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 5400 RPM 256MB Cache for Computer Desktop PC – Frustration Free Packaging (ST6000DMZ03) offers 16% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate BarraCuda 6TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 5400 RPM 256MB Cache for Computer Desktop PC – Frustration Free Packaging (ST6000DMZ03) vs Western Digital 6TB WD_Black Performance Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD6004FZBX — Which Is Better Value?
Specification Comparison
| Spec | Seagate BarraCuda 6TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 5400 RPM 256MB Cache for Computer Desktop PC – Frustration Free Packaging (ST6000DMZ03) | Western Digital 6TB WD_Black Performance Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD6004FZBX |
|---|---|---|
| Brand | Seagate | Western Digital |
| Capacity | 6 TB | 6 TB |
| $/GB | $0.0330 | $0.0395 |
| Price | $198.00 | $236.99 |
| Retailer | Amazon | Amazon |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
Seagate BarraCuda 6TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 5400 RPM 256MB Cache for Computer Desktop PC – Frustration Free Packaging (ST6000DMZ03)
Western Digital 6TB WD_Black Performance Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD6004FZBX
Which Should You Buy?
Based on current pricing data, the Seagate BarraCuda 6TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 5400 RPM 256MB Cache for Computer Desktop PC – Frustration Free Packaging (ST6000DMZ03) offers better value at $0.0330//GB compared to the Western Digital 6TB WD_Black Performance Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD6004FZBX at $0.0395//GB — that's roughly 16% less per gigabyte.
The best deal for the Seagate BarraCuda 6TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 5400 RPM 256MB Cache for Computer Desktop PC – Frustration Free Packaging (ST6000DMZ03) is $198.00 at Amazon, while the Western Digital 6TB WD_Black Performance Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD6004FZBX starts at $236.99 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Seagate BarraCuda 6TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 5400 RPM 256MB Cache for Computer Desktop PC – Frustration Free Packaging (ST6000DMZ03) and Western Digital 6TB WD_Black Performance Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD6004FZBX product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate BarraCuda 6TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 5400 RPM 256MB Cache for Computer Desktop PC – Frustration Free Packaging (ST6000DMZ03) or Western Digital 6TB WD_Black Performance Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD6004FZBX a better deal?
As of June 2026, Seagate BarraCuda 6TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 5400 RPM 256MB Cache for Computer Desktop PC – Frustration Free Packaging (ST6000DMZ03) offers better value at $0.0330//GB compared to Western Digital 6TB WD_Black Performance Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD6004FZBX at $0.0395//GB. That is approximately 16% better value per gigabyte.
What is the price per GB of Seagate BarraCuda 6TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 5400 RPM 256MB Cache for Computer Desktop PC – Frustration Free Packaging (ST6000DMZ03)?
The Seagate BarraCuda 6TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 5400 RPM 256MB Cache for Computer Desktop PC – Frustration Free Packaging (ST6000DMZ03) is currently priced at $0.0330/GB ($198.00 for 6 TB) at Amazon.
Where can I buy Western Digital 6TB WD_Black Performance Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD6004FZBX for the cheapest price?
The cheapest price for the Western Digital 6TB WD_Black Performance Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD6004FZBX is $236.99 at Amazon, which works out to $0.0395/GB.