The WD Purple 6TB 3.5' SATA Internal Hard Disk Drive WD64PURZ costs $0.0517/GB while the Seagate Expansion 6TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP6000400) costs $0.0427/GB. Seagate Expansion 6TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP6000400) offers 17% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD Purple 6TB 3.5' SATA Internal Hard Disk Drive WD64PURZ vs Seagate Expansion 6TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP6000400) — Which Is Better Value?
WD Purple 6TB 3.5' SATA Internal Hard Disk Drive WD64PURZ
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Specification Comparison
| Spec | WD Purple 6TB 3.5' SATA Internal Hard Disk Drive WD64PURZ | Seagate Expansion 6TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP6000400) |
|---|---|---|
| Brand | Western Digital | Seagate |
| Capacity | 6TB | 6 TB |
| $/GB | $0.0517 | $0.0427 |
| Price | $309.99 | $256.00 |
| 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 Expansion 6TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP6000400) offers better value at $0.0427//GB compared to the WD Purple 6TB 3.5' SATA Internal Hard Disk Drive WD64PURZ at $0.0517//GB — that's roughly 17% less per gigabyte.
The best deal for the Seagate Expansion 6TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP6000400) is $256.00 at Amazon, while the WD Purple 6TB 3.5' SATA Internal Hard Disk Drive WD64PURZ starts at $309.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each WD Purple 6TB 3.5' SATA Internal Hard Disk Drive WD64PURZ and Seagate Expansion 6TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP6000400) product page for detailed specifications and price history.
Frequently Asked Questions
Is WD Purple 6TB 3.5' SATA Internal Hard Disk Drive WD64PURZ or Seagate Expansion 6TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP6000400) a better deal?
As of August 2026, Seagate Expansion 6TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP6000400) offers better value at $0.0427//GB compared to WD Purple 6TB 3.5' SATA Internal Hard Disk Drive WD64PURZ at $0.0517//GB. That is approximately 17% better value per gigabyte.
What is the price per GB of WD Purple 6TB 3.5' SATA Internal Hard Disk Drive WD64PURZ?
The WD Purple 6TB 3.5' SATA Internal Hard Disk Drive WD64PURZ is currently priced at $0.0517/GB ($309.99 for 6TB) at Newegg.
Where can I buy Seagate Expansion 6TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP6000400) for the cheapest price?
The cheapest price for the Seagate Expansion 6TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP6000400) is $256.00 at Amazon, which works out to $0.0427/GB.