The Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD64PURZ costs $0.0422/GB while the WD - Blue 6TB PC Internal Hard Drive for Desktops costs $0.0300/GB. WD - Blue 6TB PC Internal Hard Drive for Desktops offers 29% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD64PURZ vs WD - Blue 6TB PC Internal Hard Drive for Desktops — Which Is Better Value?
WD - Blue 6TB PC Internal Hard Drive for Desktops
Specification Comparison
| Spec | Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD64PURZ | WD - Blue 6TB PC Internal Hard Drive for Desktops |
|---|---|---|
| Brand | Western Digital | Western Digital |
| Capacity | 6 TB | 6 TB |
| $/GB | $0.0422 | $0.0300 |
| Price | $253.27 | $179.99 |
| Retailer | Amazon | Best Buy |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the WD - Blue 6TB PC Internal Hard Drive for Desktops offers better value at $0.0300//GB compared to the Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD64PURZ at $0.0422//GB — that's roughly 29% less per gigabyte.
The best deal for the WD - Blue 6TB PC Internal Hard Drive for Desktops is $179.99 at Best Buy, while the Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD64PURZ starts at $253.27 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD64PURZ and WD - Blue 6TB PC Internal Hard Drive for Desktops product page for detailed specifications and price history.
Frequently Asked Questions
Is Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD64PURZ or WD - Blue 6TB PC Internal Hard Drive for Desktops a better deal?
As of May 2026, WD - Blue 6TB PC Internal Hard Drive for Desktops offers better value at $0.0300//GB compared to Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD64PURZ at $0.0422//GB. That is approximately 29% better value per gigabyte.
What is the price per GB of Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD64PURZ?
The Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD64PURZ is currently priced at $0.0422/GB ($253.27 for 6 TB) at Amazon.
Where can I buy WD - Blue 6TB PC Internal Hard Drive for Desktops for the cheapest price?
The cheapest price for the WD - Blue 6TB PC Internal Hard Drive for Desktops is $179.99 at Best Buy, which works out to $0.0300/GB.