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 HP 4 TB 3.5' Internal Hard Drive - SATA - 7200rpm - 861678-B21 costs $0.1363/GB. Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty offers 74% 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 HP 4 TB 3.5' Internal Hard Drive - SATA - 7200rpm - 861678-B21 — 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 | HP 4 TB 3.5' Internal Hard Drive - SATA - 7200rpm - 861678-B21 |
|---|---|---|
| Brand | Avolusion | HP |
| Capacity | 4 TB | 4TB |
| $/GB | $0.0350 | $0.1363 |
| Price | $139.99 | $545.19 |
| Retailer | Amazon | Newegg |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
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 HP 4 TB 3.5' Internal Hard Drive - SATA - 7200rpm - 861678-B21 at $0.1363//GB — that's roughly 74% 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 HP 4 TB 3.5' Internal Hard Drive - SATA - 7200rpm - 861678-B21 starts at $545.19 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 HP 4 TB 3.5' Internal Hard Drive - SATA - 7200rpm - 861678-B21 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 HP 4 TB 3.5' Internal Hard Drive - SATA - 7200rpm - 861678-B21 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 HP 4 TB 3.5' Internal Hard Drive - SATA - 7200rpm - 861678-B21 at $0.1363//GB. That is approximately 74% 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 HP 4 TB 3.5' Internal Hard Drive - SATA - 7200rpm - 861678-B21 for the cheapest price?
The cheapest price for the HP 4 TB 3.5' Internal Hard Drive - SATA - 7200rpm - 861678-B21 is $545.19 at Newegg, which works out to $0.1363/GB.