The Aiolo Innovation 320GB External Hard Drive Ultra Slim Portable HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one,Xbox 360 HD-A4 costs $0.0870/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 63% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Aiolo Innovation 320GB External Hard Drive Ultra Slim Portable HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one,Xbox 360 HD-A4 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 | Aiolo Innovation 320GB External Hard Drive Ultra Slim Portable HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one,Xbox 360 HD-A4 | Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ |
|---|---|---|
| Brand | Aiolo Innovation | Western Digital |
| Capacity | 320 GB | 4 TB |
| $/GB | $0.0870 | $0.0324 |
| Price | $27.83 | $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 Aiolo Innovation 320GB External Hard Drive Ultra Slim Portable HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one,Xbox 360 HD-A4 at $0.0870//GB — that's roughly 63% 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 Aiolo Innovation 320GB External Hard Drive Ultra Slim Portable HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one,Xbox 360 HD-A4 starts at $27.83 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Aiolo Innovation 320GB External Hard Drive Ultra Slim Portable HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one,Xbox 360 HD-A4 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 Aiolo Innovation 320GB External Hard Drive Ultra Slim Portable HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one,Xbox 360 HD-A4 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 Aiolo Innovation 320GB External Hard Drive Ultra Slim Portable HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one,Xbox 360 HD-A4 at $0.0870//GB. That is approximately 63% better value per gigabyte.
What is the price per GB of Aiolo Innovation 320GB External Hard Drive Ultra Slim Portable HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one,Xbox 360 HD-A4?
The Aiolo Innovation 320GB External Hard Drive Ultra Slim Portable HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one,Xbox 360 HD-A4 is currently priced at $0.0870/GB ($27.83 for 320 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.