The Maxone 500GB Ultra Slim Portable External Hard Drive HDD Compatible with PC, Laptop, Grey costs $0.0560/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 42% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Maxone 500GB Ultra Slim Portable External Hard Drive HDD Compatible with PC, Laptop, Grey 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 | Maxone 500GB Ultra Slim Portable External Hard Drive HDD Compatible with PC, Laptop, Grey | Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ |
|---|---|---|
| Brand | Maxone | Western Digital |
| Capacity | 500 GB | 4 TB |
| $/GB | $0.0560 | $0.0324 |
| Price | $27.99 | $129.77 |
| Retailer | Amazon | Amazon |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | 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 Maxone 500GB Ultra Slim Portable External Hard Drive HDD Compatible with PC, Laptop, Grey at $0.0560//GB — that's roughly 42% 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 Maxone 500GB Ultra Slim Portable External Hard Drive HDD Compatible with PC, Laptop, Grey starts at $27.99 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Maxone 500GB Ultra Slim Portable External Hard Drive HDD Compatible with PC, Laptop, Grey 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 Maxone 500GB Ultra Slim Portable External Hard Drive HDD Compatible with PC, Laptop, Grey 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 Maxone 500GB Ultra Slim Portable External Hard Drive HDD Compatible with PC, Laptop, Grey at $0.0560//GB. That is approximately 42% better value per gigabyte.
What is the price per GB of Maxone 500GB Ultra Slim Portable External Hard Drive HDD Compatible with PC, Laptop, Grey?
The Maxone 500GB Ultra Slim Portable External Hard Drive HDD Compatible with PC, Laptop, Grey is currently priced at $0.0560/GB ($27.99 for 500 GB) at Amazon.
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.