The Seagate BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000DMZ04/004) costs $0.0350/GB while the WD Purple Pro 10TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives - WD102PURP costs $0.0460/GB. Seagate BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000DMZ04/004) offers 24% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000DMZ04/004) vs WD Purple Pro 10TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives - WD102PURP — Which Is Better Value?
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Specification Comparison
| Spec | Seagate BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000DMZ04/004) | WD Purple Pro 10TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives - WD102PURP |
|---|---|---|
| Brand | Seagate | Western Digital |
| Capacity | 8 TB | 10TB |
| $/GB | $0.0350 | $0.0460 |
| Price | $279.99 | $459.99 |
| Retailer | Amazon | Newegg |
| 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 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000DMZ04/004) offers better value at $0.0350//GB compared to the WD Purple Pro 10TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives - WD102PURP at $0.0460//GB — that's roughly 24% less per gigabyte.
The best deal for the Seagate BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000DMZ04/004) is $279.99 at Amazon, while the WD Purple Pro 10TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives - WD102PURP starts at $459.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Seagate BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000DMZ04/004) and WD Purple Pro 10TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives - WD102PURP product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000DMZ04/004) or WD Purple Pro 10TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives - WD102PURP a better deal?
As of August 2026, Seagate BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000DMZ04/004) offers better value at $0.0350//GB compared to WD Purple Pro 10TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives - WD102PURP at $0.0460//GB. That is approximately 24% better value per gigabyte.
What is the price per GB of Seagate BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000DMZ04/004)?
The Seagate BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000DMZ04/004) is currently priced at $0.0350/GB ($279.99 for 8 TB) at Amazon.
Where can I buy WD Purple Pro 10TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives - WD102PURP for the cheapest price?
The cheapest price for the WD Purple Pro 10TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives - WD102PURP is $459.99 at Newegg, which works out to $0.0460/GB.