The Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty costs $0.0350/GB while the Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5' (WD44PURZ) costs $0.0585/GB. Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty offers 40% better value per gigabyte as of September 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty vs Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5' (WD44PURZ) — Which Is Better Value?
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Specification Comparison
| Spec | Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty | Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5' (WD44PURZ) |
|---|---|---|
| Brand | Avolusion | Western Digital |
| Capacity | 4 TB | 4TB |
| $/GB | $0.0350 | $0.0585 |
| Price | $139.99 | $233.93 |
| Retailer | Amazon | Newegg |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty
Which Should You Buy?
Based on current pricing data, the Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty offers better value at $0.0350//GB compared to the Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5' (WD44PURZ) at $0.0585//GB — that's roughly 40% less per gigabyte.
The best deal for the Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty is $139.99 at Amazon, while the Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5' (WD44PURZ) starts at $233.93 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty and Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5' (WD44PURZ) product page for detailed specifications and price history.
Frequently Asked Questions
Is Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty or Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5' (WD44PURZ) a better deal?
As of September 2026, Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty offers better value at $0.0350//GB compared to Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5' (WD44PURZ) at $0.0585//GB. That is approximately 40% better value per gigabyte.
What is the price per GB of Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty?
The Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty is currently priced at $0.0350/GB ($139.99 for 4 TB) at Amazon.
Where can I buy Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5' (WD44PURZ) for the cheapest price?
The cheapest price for the Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5' (WD44PURZ) is $233.93 at Newegg, which works out to $0.0585/GB.