Iflash vs Unionsine Hard Drives & SSDs
Side-by-side price per gigabyte comparison across 3 products.
As of March 2026, Iflash averages $0.0520/GB across 1 products while Unionsine averages $0.0665/GB across 2 products on BuyPerUnit. Iflash offers 22% better value per gigabyte for hard drives & ssds.
Iflash
Better ValueUnionsine
Cheapest Product
UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one, Xbox 360-(Black)500 GB · $30.73 · amazon
Top Products Compared
| Rank | Brand | Product | Capacity | $/GB | Price | Retailer |
|---|---|---|---|---|---|---|
| 1 | Iflash | IFLASH 1TB Portable External Hard Drive | 1 TB | $0.0520 | $51.99 | amazon |
| 1 | Unionsine | UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one, Xbox 360-(Black) | 500 GB | $0.0615 | $30.73 | amazon |
| 2 | Unionsine | UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one, Xbox 360-(Pink) | 500 GB | $0.0715 | $35.73 | amazon |
Which Should You Buy?
Based on current pricing data, Iflash offers better overall value for hard drives & ssds at an average of $0.0520/GB compared to Unionsine's $0.0665/GB — that's roughly 22% less per gigabyte.
Iflash's best deal is the IFLASH 1TB Portable External Hard Drive (1 TB) at $0.0520/GB, while Unionsine's cheapest option is the UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one, Xbox 360-(Black) (500 GB) at $0.0615/GB.
However, price per GB isn't everything — consider factors like warranty, performance specs, and your specific capacity needs. Check individual product pages for detailed specifications.
Frequently Asked Questions
Is Iflash or Unionsine cheaper per GB for hard drives & ssds?
As of March 2026, Iflash averages $0.0520/GB compared to Unionsine at $0.0665/GB. Iflash is approximately 22% cheaper per gigabyte on average.
How many Iflash and Unionsine hard drives & ssds does BuyPerUnit track?
BuyPerUnit currently tracks 1 Iflash products and 2 Unionsine products in the hard drives & ssds category, all ranked by price per gigabyte.
What is the cheapest Iflash hard drives & ssd per GB?
The cheapest Iflash option is the IFLASH 1TB Portable External Hard Drive at $0.0520/GB ($51.99 for 1 TB).
What is the cheapest Unionsine hard drives & ssd per GB?
The cheapest Unionsine option is the UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one, Xbox 360-(Black) at $0.0615/GB ($30.73 for 500 GB).