Topesel vs Unionsine Hard Drives & SSDs
Side-by-side price per gigabyte comparison across 3 products.
As of March 2026, Topesel averages $0.1860/GB across 1 products while Unionsine averages $0.0665/GB across 2 products on BuyPerUnit. Unionsine offers 64% better value per gigabyte for hard drives & ssds.
Topesel
Cheapest Product
TOPESEL SATA III SSD 2.5", 240GB Internal Solid State Drive with 3D NAND Flash up to 500MB/s,for Laptop,Tablet,Desktop,PC240 GB · $44.64 · amazon
Unionsine
Better ValueCheapest 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 | Topesel | TOPESEL SATA III SSD 2.5", 240GB Internal Solid State Drive with 3D NAND Flash up to 500MB/s,for Laptop,Tablet,Desktop,PC | 240 GB | $0.1860 | $44.64 | 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, Unionsine offers better overall value for hard drives & ssds at an average of $0.0665/GB compared to Topesel's $0.1860/GB — that's roughly 64% less per gigabyte.
Unionsine's best deal 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, while Topesel's cheapest option is the TOPESEL SATA III SSD 2.5", 240GB Internal Solid State Drive with 3D NAND Flash up to 500MB/s,for Laptop,Tablet,Desktop,PC (240 GB) at $0.1860/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 Topesel or Unionsine cheaper per GB for hard drives & ssds?
As of March 2026, Unionsine averages $0.0665/GB compared to Topesel at $0.1860/GB. Unionsine is approximately 64% cheaper per gigabyte on average.
How many Topesel and Unionsine hard drives & ssds does BuyPerUnit track?
BuyPerUnit currently tracks 1 Topesel products and 2 Unionsine products in the hard drives & ssds category, all ranked by price per gigabyte.
What is the cheapest Topesel hard drives & ssd per GB?
The cheapest Topesel option is the TOPESEL SATA III SSD 2.5", 240GB Internal Solid State Drive with 3D NAND Flash up to 500MB/s,for Laptop,Tablet,Desktop,PC at $0.1860/GB ($44.64 for 240 GB).
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).