The SEAGATE BULK ST8000AS0003 8TB Exos 5E8 3.5 SATA 6Gb/s SP costs $0.0348/GB while the WD Purple 8TB Surveillance Internal Hard Drive HDD - SATA 6Gb/s 256MB Cache 3.5 Inch - WD85PURZ costs $0.0521/GB. SEAGATE BULK ST8000AS0003 8TB Exos 5E8 3.5 SATA 6Gb/s SP offers 33% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SEAGATE BULK ST8000AS0003 8TB Exos 5E8 3.5 SATA 6Gb/s SP vs WD Purple 8TB Surveillance Internal Hard Drive HDD - SATA 6Gb/s 256MB Cache 3.5 Inch - WD85PURZ — Which Is Better Value?
Specification Comparison
| Spec | SEAGATE BULK ST8000AS0003 8TB Exos 5E8 3.5 SATA 6Gb/s SP | WD Purple 8TB Surveillance Internal Hard Drive HDD - SATA 6Gb/s 256MB Cache 3.5 Inch - WD85PURZ |
|---|---|---|
| Brand | Seagate | Western Digital |
| Capacity | 8TB | 8TB |
| $/GB | $0.0348 | $0.0521 |
| Price | $278.45 | $416.99 |
| Retailer | Newegg | 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 BULK ST8000AS0003 8TB Exos 5E8 3.5 SATA 6Gb/s SP offers better value at $0.0348//GB compared to the WD Purple 8TB Surveillance Internal Hard Drive HDD - SATA 6Gb/s 256MB Cache 3.5 Inch - WD85PURZ at $0.0521//GB — that's roughly 33% less per gigabyte.
The best deal for the SEAGATE BULK ST8000AS0003 8TB Exos 5E8 3.5 SATA 6Gb/s SP is $278.45 at Newegg, while the WD Purple 8TB Surveillance Internal Hard Drive HDD - SATA 6Gb/s 256MB Cache 3.5 Inch - WD85PURZ starts at $416.99 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 BULK ST8000AS0003 8TB Exos 5E8 3.5 SATA 6Gb/s SP and WD Purple 8TB Surveillance Internal Hard Drive HDD - SATA 6Gb/s 256MB Cache 3.5 Inch - WD85PURZ product page for detailed specifications and price history.
Frequently Asked Questions
Is SEAGATE BULK ST8000AS0003 8TB Exos 5E8 3.5 SATA 6Gb/s SP or WD Purple 8TB Surveillance Internal Hard Drive HDD - SATA 6Gb/s 256MB Cache 3.5 Inch - WD85PURZ a better deal?
As of July 2026, SEAGATE BULK ST8000AS0003 8TB Exos 5E8 3.5 SATA 6Gb/s SP offers better value at $0.0348//GB compared to WD Purple 8TB Surveillance Internal Hard Drive HDD - SATA 6Gb/s 256MB Cache 3.5 Inch - WD85PURZ at $0.0521//GB. That is approximately 33% better value per gigabyte.
What is the price per GB of SEAGATE BULK ST8000AS0003 8TB Exos 5E8 3.5 SATA 6Gb/s SP?
The SEAGATE BULK ST8000AS0003 8TB Exos 5E8 3.5 SATA 6Gb/s SP is currently priced at $0.0348/GB ($278.45 for 8TB) at Newegg.
Where can I buy WD Purple 8TB Surveillance Internal Hard Drive HDD - SATA 6Gb/s 256MB Cache 3.5 Inch - WD85PURZ for the cheapest price?
The cheapest price for the WD Purple 8TB Surveillance Internal Hard Drive HDD - SATA 6Gb/s 256MB Cache 3.5 Inch - WD85PURZ is $416.99 at Newegg, which works out to $0.0521/GB.