The UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 costs $0.0753/GB while the Hp 625140-001 3 Tb 3.5' Internal Hard Drive - 625030-001, 625031-B21, 652766-B21 costs $0.0317/GB. Hp 625140-001 3 Tb 3.5' Internal Hard Drive - 625030-001, 625031-B21, 652766-B21 offers 58% better value per gigabyte as of September 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 vs Hp 625140-001 3 Tb 3.5' Internal Hard Drive - 625030-001, 625031-B21, 652766-B21 — Which Is Better Value?
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Specification Comparison
| Spec | UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 | Hp 625140-001 3 Tb 3.5' Internal Hard Drive - 625030-001, 625031-B21, 652766-B21 |
|---|---|---|
| Brand | UnionSine | HP |
| Capacity | 500 GB | 3TB |
| $/GB | $0.0753 | $0.0317 |
| Price | $37.66 | $95.00 |
| 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 Hp 625140-001 3 Tb 3.5' Internal Hard Drive - 625030-001, 625031-B21, 652766-B21 offers better value at $0.0317//GB compared to the UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 at $0.0753//GB — that's roughly 58% less per gigabyte.
The best deal for the Hp 625140-001 3 Tb 3.5' Internal Hard Drive - 625030-001, 625031-B21, 652766-B21 is $95.00 at Newegg, while the UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 starts at $37.66 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 and Hp 625140-001 3 Tb 3.5' Internal Hard Drive - 625030-001, 625031-B21, 652766-B21 product page for detailed specifications and price history.
Frequently Asked Questions
Is UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 or Hp 625140-001 3 Tb 3.5' Internal Hard Drive - 625030-001, 625031-B21, 652766-B21 a better deal?
As of September 2026, Hp 625140-001 3 Tb 3.5' Internal Hard Drive - 625030-001, 625031-B21, 652766-B21 offers better value at $0.0317//GB compared to UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 at $0.0753//GB. That is approximately 58% better value per gigabyte.
What is the price per GB of UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0?
The UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 is currently priced at $0.0753/GB ($37.66 for 500 GB) at Amazon.
Where can I buy Hp 625140-001 3 Tb 3.5' Internal Hard Drive - 625030-001, 625031-B21, 652766-B21 for the cheapest price?
The cheapest price for the Hp 625140-001 3 Tb 3.5' Internal Hard Drive - 625030-001, 625031-B21, 652766-B21 is $95.00 at Newegg, which works out to $0.0317/GB.