The WD - BLACK 6TB Gaming Internal Hard Drive costs $0.0425/GB while 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. 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 22% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD - BLACK 6TB Gaming Internal Hard Drive vs 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) — Which Is Better Value?
WD - BLACK 6TB Gaming Internal Hard Drive
Specification Comparison
| Spec | WD - BLACK 6TB Gaming Internal Hard Drive | 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) |
|---|---|---|
| Brand | Western Digital | Seagate |
| Capacity | 6 TB | 6 TB |
| $/GB | $0.0425 | $0.0330 |
| Price | $254.99 | $198.00 |
| Retailer | Best Buy | Amazon |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
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 WD - BLACK 6TB Gaming Internal Hard Drive at $0.0425//GB — that's roughly 22% 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 WD - BLACK 6TB Gaming Internal Hard Drive starts at $254.99 at Best Buy.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each WD - BLACK 6TB Gaming Internal Hard Drive and 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) product page for detailed specifications and price history.
Frequently Asked Questions
Is WD - BLACK 6TB Gaming Internal Hard Drive or 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) a better deal?
As of May 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 WD - BLACK 6TB Gaming Internal Hard Drive at $0.0425//GB. That is approximately 22% better value per gigabyte.
What is the price per GB of WD - BLACK 6TB Gaming Internal Hard Drive?
The WD - BLACK 6TB Gaming Internal Hard Drive is currently priced at $0.0425/GB ($254.99 for 6 TB) at Best Buy.
Where can I buy 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) for the cheapest price?
The cheapest price 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, which works out to $0.0330/GB.