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 while the Maxone 750GB Ultra Slim Portable External Hard Drive HDD USB 3.0 Compatible with PC,Laptop, Charcoal Grey costs $0.0493/GB. Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ offers 34% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ vs Maxone 750GB Ultra Slim Portable External Hard Drive HDD USB 3.0 Compatible with PC,Laptop, Charcoal Grey — Which Is Better Value?
Specification Comparison
| Spec | Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ | Maxone 750GB Ultra Slim Portable External Hard Drive HDD USB 3.0 Compatible with PC,Laptop, Charcoal Grey |
|---|---|---|
| Brand | Western Digital | Maxone |
| Capacity | 4 TB | 750 GB |
| $/GB | $0.0324 | $0.0493 |
| Price | $129.77 | $36.99 |
| 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 750GB Ultra Slim Portable External Hard Drive HDD USB 3.0 Compatible with PC,Laptop, Charcoal Grey at $0.0493//GB — that's roughly 34% 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 750GB Ultra Slim Portable External Hard Drive HDD USB 3.0 Compatible with PC,Laptop, Charcoal Grey starts at $36.99 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ and Maxone 750GB Ultra Slim Portable External Hard Drive HDD USB 3.0 Compatible with PC,Laptop, Charcoal Grey product page for detailed specifications and price history.
Frequently Asked Questions
Is Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ or Maxone 750GB Ultra Slim Portable External Hard Drive HDD USB 3.0 Compatible with PC,Laptop, Charcoal Grey 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 750GB Ultra Slim Portable External Hard Drive HDD USB 3.0 Compatible with PC,Laptop, Charcoal Grey at $0.0493//GB. That is approximately 34% better value per gigabyte.
What is the price per GB of Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ?
The Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ is currently priced at $0.0324/GB ($129.77 for 4 TB) at Amazon.
Where can I buy Maxone 750GB Ultra Slim Portable External Hard Drive HDD USB 3.0 Compatible with PC,Laptop, Charcoal Grey for the cheapest price?
The cheapest price for the Maxone 750GB Ultra Slim Portable External Hard Drive HDD USB 3.0 Compatible with PC,Laptop, Charcoal Grey is $36.99 at Amazon, which works out to $0.0493/GB.