The WD Purple WD84PURZ 8TB 5640 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive costs $0.0568/GB while the Seagate One Touch 8TB External Hard Drive Desktop HDD - USB-C Compatible with Most Windows and macOS, Rescue Recovery (STNB8000400) costs $0.0323/GB. Seagate One Touch 8TB External Hard Drive Desktop HDD - USB-C Compatible with Most Windows and macOS, Rescue Recovery (STNB8000400) offers 43% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD Purple WD84PURZ 8TB 5640 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive vs Seagate One Touch 8TB External Hard Drive Desktop HDD - USB-C Compatible with Most Windows and macOS, Rescue Recovery (STNB8000400) — Which Is Better Value?
Specification Comparison
| Spec | WD Purple WD84PURZ 8TB 5640 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive | Seagate One Touch 8TB External Hard Drive Desktop HDD - USB-C Compatible with Most Windows and macOS, Rescue Recovery (STNB8000400) |
|---|---|---|
| Brand | Western Digital | Seagate |
| Capacity | 8TB | 8 TB |
| $/GB | $0.0568 | $0.0323 |
| Price | $454.45 | $258.00 |
| Retailer | Newegg | Amazon |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | N/A |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the Seagate One Touch 8TB External Hard Drive Desktop HDD - USB-C Compatible with Most Windows and macOS, Rescue Recovery (STNB8000400) offers better value at $0.0323//GB compared to the WD Purple WD84PURZ 8TB 5640 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive at $0.0568//GB — that's roughly 43% less per gigabyte.
The best deal for the Seagate One Touch 8TB External Hard Drive Desktop HDD - USB-C Compatible with Most Windows and macOS, Rescue Recovery (STNB8000400) is $258.00 at Amazon, while the WD Purple WD84PURZ 8TB 5640 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive starts at $454.45 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each WD Purple WD84PURZ 8TB 5640 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive and Seagate One Touch 8TB External Hard Drive Desktop HDD - USB-C Compatible with Most Windows and macOS, Rescue Recovery (STNB8000400) product page for detailed specifications and price history.
Frequently Asked Questions
Is WD Purple WD84PURZ 8TB 5640 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive or Seagate One Touch 8TB External Hard Drive Desktop HDD - USB-C Compatible with Most Windows and macOS, Rescue Recovery (STNB8000400) a better deal?
As of June 2026, Seagate One Touch 8TB External Hard Drive Desktop HDD - USB-C Compatible with Most Windows and macOS, Rescue Recovery (STNB8000400) offers better value at $0.0323//GB compared to WD Purple WD84PURZ 8TB 5640 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive at $0.0568//GB. That is approximately 43% better value per gigabyte.
What is the price per GB of WD Purple WD84PURZ 8TB 5640 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive?
The WD Purple WD84PURZ 8TB 5640 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive is currently priced at $0.0568/GB ($454.45 for 8TB) at Newegg.
Where can I buy Seagate One Touch 8TB External Hard Drive Desktop HDD - USB-C Compatible with Most Windows and macOS, Rescue Recovery (STNB8000400) for the cheapest price?
The cheapest price for the Seagate One Touch 8TB External Hard Drive Desktop HDD - USB-C Compatible with Most Windows and macOS, Rescue Recovery (STNB8000400) is $258.00 at Amazon, which works out to $0.0323/GB.