The PNY - 128GB Elite-X Class 10 U3 V30 SDXC Flash Memory Card costs $0.4296/GB while the Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ costs $0.0324/GB. Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ offers 92% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
PNY - 128GB Elite-X Class 10 U3 V30 SDXC Flash Memory Card vs Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ — Which Is Better Value?
Specification Comparison
| Spec | PNY - 128GB Elite-X Class 10 U3 V30 SDXC Flash Memory Card | Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ |
|---|---|---|
| Brand | PNY | Western Digital |
| Capacity | 128 GB | 4 TB |
| $/GB | $0.4296 | $0.0324 |
| Price | $54.99 | $129.77 |
| Retailer | Best Buy | Amazon |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | micro-sd | hdd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ offers better value at $0.0324//GB compared to the PNY - 128GB Elite-X Class 10 U3 V30 SDXC Flash Memory Card at $0.4296//GB — that's roughly 92% less per gigabyte.
The best deal for the Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ is $129.77 at Amazon, while the PNY - 128GB Elite-X Class 10 U3 V30 SDXC Flash Memory Card starts at $54.99 at Best Buy.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each PNY - 128GB Elite-X Class 10 U3 V30 SDXC Flash Memory Card and Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ product page for detailed specifications and price history.
Frequently Asked Questions
Is PNY - 128GB Elite-X Class 10 U3 V30 SDXC Flash Memory Card or Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ a better deal?
As of May 2026, Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ offers better value at $0.0324//GB compared to PNY - 128GB Elite-X Class 10 U3 V30 SDXC Flash Memory Card at $0.4296//GB. That is approximately 92% better value per gigabyte.
What is the price per GB of PNY - 128GB Elite-X Class 10 U3 V30 SDXC Flash Memory Card?
The PNY - 128GB Elite-X Class 10 U3 V30 SDXC Flash Memory Card is currently priced at $0.4296/GB ($54.99 for 128 GB) at Best Buy.
Where can I buy Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ for the cheapest price?
The cheapest price for the Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ is $129.77 at Amazon, which works out to $0.0324/GB.