The Seagate BarraCuda ST500DM009-25PK 500GB 7200 RPM 16MB Cache SATA 6.0Gb/s 3.5' Hard Drive, 25-Pack costs $2.4900/GB while the Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty costs $0.0275/GB. Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty offers 99% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate BarraCuda ST500DM009-25PK 500GB 7200 RPM 16MB Cache SATA 6.0Gb/s 3.5' Hard Drive, 25-Pack vs Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty — Which Is Better Value?
Specification Comparison
| Spec | Seagate BarraCuda ST500DM009-25PK 500GB 7200 RPM 16MB Cache SATA 6.0Gb/s 3.5' Hard Drive, 25-Pack | Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty |
|---|---|---|
| Brand | Seagate | Avolusion |
| Capacity | 500GB | 4 TB |
| $/GB | $2.4900 | $0.0275 |
| Price | $1245.00 | $109.99 |
| Retailer | Newegg | 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 $0.0275//GB compared to the Seagate BarraCuda ST500DM009-25PK 500GB 7200 RPM 16MB Cache SATA 6.0Gb/s 3.5' Hard Drive, 25-Pack at $2.4900//GB — that's roughly 99% 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 $109.99 at Amazon, while the Seagate BarraCuda ST500DM009-25PK 500GB 7200 RPM 16MB Cache SATA 6.0Gb/s 3.5' Hard Drive, 25-Pack starts at $1245.00 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Seagate BarraCuda ST500DM009-25PK 500GB 7200 RPM 16MB Cache SATA 6.0Gb/s 3.5' Hard Drive, 25-Pack 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 BarraCuda ST500DM009-25PK 500GB 7200 RPM 16MB Cache SATA 6.0Gb/s 3.5' Hard Drive, 25-Pack or Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty a better deal?
As of June 2026, Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty offers better value at $0.0275//GB compared to Seagate BarraCuda ST500DM009-25PK 500GB 7200 RPM 16MB Cache SATA 6.0Gb/s 3.5' Hard Drive, 25-Pack at $2.4900//GB. That is approximately 99% better value per gigabyte.
What is the price per GB of Seagate BarraCuda ST500DM009-25PK 500GB 7200 RPM 16MB Cache SATA 6.0Gb/s 3.5' Hard Drive, 25-Pack?
The Seagate BarraCuda ST500DM009-25PK 500GB 7200 RPM 16MB Cache SATA 6.0Gb/s 3.5' Hard Drive, 25-Pack is currently priced at $2.4900/GB ($1245.00 for 500GB) at Newegg.
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 $109.99 at Amazon, which works out to $0.0275/GB.