The Seagate Constellation ES.3 ST4000NM0033 4 TB Hard Drive - 3.5 Internal - SATA costs $0.0413/GB while the Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty costs $0.0346/GB. Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty offers 16% better value per gigabyte as of September 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate Constellation ES.3 ST4000NM0033 4 TB Hard Drive - 3.5 Internal - SATA vs Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty — Which Is Better Value?
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Specification Comparison
| Spec | Seagate Constellation ES.3 ST4000NM0033 4 TB Hard Drive - 3.5 Internal - SATA | Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty |
|---|---|---|
| Brand | Seagate | Avolusion |
| Capacity | 4 TB | 4 TB |
| $/GB | $0.0413 | $0.0346 |
| Price | $165.00 | $138.50 |
| 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 Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty offers better value at $0.0346//GB compared to the Seagate Constellation ES.3 ST4000NM0033 4 TB Hard Drive - 3.5 Internal - SATA at $0.0413//GB — that's roughly 16% 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 $138.50 at Amazon, while the Seagate Constellation ES.3 ST4000NM0033 4 TB Hard Drive - 3.5 Internal - SATA starts at $165.00 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Seagate Constellation ES.3 ST4000NM0033 4 TB Hard Drive - 3.5 Internal - SATA and Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate Constellation ES.3 ST4000NM0033 4 TB Hard Drive - 3.5 Internal - SATA or Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty 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 $0.0346//GB compared to Seagate Constellation ES.3 ST4000NM0033 4 TB Hard Drive - 3.5 Internal - SATA at $0.0413//GB. That is approximately 16% better value per gigabyte.
What is the price per GB of Seagate Constellation ES.3 ST4000NM0033 4 TB Hard Drive - 3.5 Internal - SATA?
The Seagate Constellation ES.3 ST4000NM0033 4 TB Hard Drive - 3.5 Internal - SATA is currently priced at $0.0413/GB ($165.00 for 4 TB) at Amazon.
Where can I buy Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty for the cheapest price?
The cheapest price for the Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty is $138.50 at Amazon, which works out to $0.0346/GB.