The Caraele 500GB Portable External Hard Drive USB3.0 Mobile HDD Storage for PC, Mac, Desktop, Laptop, Mac, Chromebook, Xbox One, Xbox 360, PS4 (Black) costs $0.0580/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 44% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Caraele 500GB Portable External Hard Drive USB3.0 Mobile HDD Storage for PC, Mac, Desktop, Laptop, Mac, Chromebook, Xbox One, Xbox 360, PS4 (Black) 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 | Caraele 500GB Portable External Hard Drive USB3.0 Mobile HDD Storage for PC, Mac, Desktop, Laptop, Mac, Chromebook, Xbox One, Xbox 360, PS4 (Black) | Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ |
|---|---|---|
| Brand | Caraele | Western Digital |
| Capacity | 500 GB | 4 TB |
| $/GB | $0.0580 | $0.0324 |
| Price | $28.99 | $129.77 |
| Retailer | Amazon | Amazon |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
Caraele 500GB Portable External Hard Drive USB3.0 Mobile HDD Storage for PC, Mac, Desktop, Laptop, Mac, Chromebook, Xbox One, Xbox 360, PS4 (Black)
Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ
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 Caraele 500GB Portable External Hard Drive USB3.0 Mobile HDD Storage for PC, Mac, Desktop, Laptop, Mac, Chromebook, Xbox One, Xbox 360, PS4 (Black) at $0.0580//GB — that's roughly 44% 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 Caraele 500GB Portable External Hard Drive USB3.0 Mobile HDD Storage for PC, Mac, Desktop, Laptop, Mac, Chromebook, Xbox One, Xbox 360, PS4 (Black) starts at $28.99 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Caraele 500GB Portable External Hard Drive USB3.0 Mobile HDD Storage for PC, Mac, Desktop, Laptop, Mac, Chromebook, Xbox One, Xbox 360, PS4 (Black) 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 Caraele 500GB Portable External Hard Drive USB3.0 Mobile HDD Storage for PC, Mac, Desktop, Laptop, Mac, Chromebook, Xbox One, Xbox 360, PS4 (Black) 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 Caraele 500GB Portable External Hard Drive USB3.0 Mobile HDD Storage for PC, Mac, Desktop, Laptop, Mac, Chromebook, Xbox One, Xbox 360, PS4 (Black) at $0.0580//GB. That is approximately 44% better value per gigabyte.
What is the price per GB of Caraele 500GB Portable External Hard Drive USB3.0 Mobile HDD Storage for PC, Mac, Desktop, Laptop, Mac, Chromebook, Xbox One, Xbox 360, PS4 (Black)?
The Caraele 500GB Portable External Hard Drive USB3.0 Mobile HDD Storage for PC, Mac, Desktop, Laptop, Mac, Chromebook, Xbox One, Xbox 360, PS4 (Black) is currently priced at $0.0580/GB ($28.99 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.