The Seagate BarraCuda NE-ST8000DM004 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive costs $0.0349/GB while the Western Digital 8TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD85PURZ costs $0.0491/GB. Seagate BarraCuda NE-ST8000DM004 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive offers 29% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate BarraCuda NE-ST8000DM004 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive vs Western Digital 8TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD85PURZ — Which Is Better Value?
Specification Comparison
| Spec | Seagate BarraCuda NE-ST8000DM004 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive | Western Digital 8TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD85PURZ |
|---|---|---|
| Brand | Seagate | Western Digital |
| Capacity | 8TB | 8 TB |
| $/GB | $0.0349 | $0.0491 |
| Price | $278.99 | $392.55 |
| Retailer | Newegg | 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 NE-ST8000DM004 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive offers better value at $0.0349//GB compared to the Western Digital 8TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD85PURZ at $0.0491//GB — that's roughly 29% less per gigabyte.
The best deal for the Seagate BarraCuda NE-ST8000DM004 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive is $278.99 at Newegg, while the Western Digital 8TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD85PURZ starts at $392.55 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 NE-ST8000DM004 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive and Western Digital 8TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD85PURZ product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate BarraCuda NE-ST8000DM004 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive or Western Digital 8TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD85PURZ a better deal?
As of August 2026, Seagate BarraCuda NE-ST8000DM004 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive offers better value at $0.0349//GB compared to Western Digital 8TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD85PURZ at $0.0491//GB. That is approximately 29% better value per gigabyte.
What is the price per GB of Seagate BarraCuda NE-ST8000DM004 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive?
The Seagate BarraCuda NE-ST8000DM004 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive is currently priced at $0.0349/GB ($278.99 for 8TB) at Newegg.
Where can I buy Western Digital 8TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD85PURZ for the cheapest price?
The cheapest price for the Western Digital 8TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD85PURZ is $392.55 at Amazon, which works out to $0.0491/GB.