The Apricorn Aegis Padlock 3.0 1TB USB 3.0 External Hard Drive, Black costs $0.1949/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 83% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Apricorn Aegis Padlock 3.0 1TB USB 3.0 External Hard Drive, 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 | Apricorn Aegis Padlock 3.0 1TB USB 3.0 External Hard Drive, Black | Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ |
|---|---|---|
| Brand | Apricorn | Western Digital |
| Capacity | 1 TB | 4 TB |
| $/GB | $0.1949 | $0.0324 |
| Price | $194.92 | $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 Apricorn Aegis Padlock 3.0 1TB USB 3.0 External Hard Drive, Black at $0.1949//GB — that's roughly 83% 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 Apricorn Aegis Padlock 3.0 1TB USB 3.0 External Hard Drive, Black starts at $194.92 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Apricorn Aegis Padlock 3.0 1TB USB 3.0 External Hard Drive, 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 Apricorn Aegis Padlock 3.0 1TB USB 3.0 External Hard Drive, 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 Apricorn Aegis Padlock 3.0 1TB USB 3.0 External Hard Drive, Black at $0.1949//GB. That is approximately 83% better value per gigabyte.
What is the price per GB of Apricorn Aegis Padlock 3.0 1TB USB 3.0 External Hard Drive, Black?
The Apricorn Aegis Padlock 3.0 1TB USB 3.0 External Hard Drive, Black is currently priced at $0.1949/GB ($194.92 for 1 TB) 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.