Tianken vs Unionsine Hard Drives & SSDs
Side-by-side price per gigabyte comparison across 7 products.
As of March 2026, Tianken averages $0.1071/GB across 5 products while Unionsine averages $0.0665/GB across 2 products on BuyPerUnit. Unionsine offers 38% better value per gigabyte for hard drives & ssds.
Tianken
Cheapest Product
Tianken Ultra Slim Portable External Hard Drive USB 3.0 HDD Storage for PC, Laptop, Mac, Xbox one, PS4, PS5 (1TB)1 TB · $62.99 · 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
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 Tianken's $0.1071/GB — that's roughly 38% 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 Tianken's cheapest option is the Tianken Ultra Slim Portable External Hard Drive USB 3.0 HDD Storage for PC, Laptop, Mac, Xbox one, PS4, PS5 (1TB) (1 TB) at $0.0630/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 Tianken or Unionsine cheaper per GB for hard drives & ssds?
As of March 2026, Unionsine averages $0.0665/GB compared to Tianken at $0.1071/GB. Unionsine is approximately 38% cheaper per gigabyte on average.
How many Tianken and Unionsine hard drives & ssds does BuyPerUnit track?
BuyPerUnit currently tracks 5 Tianken products and 2 Unionsine products in the hard drives & ssds category, all ranked by price per gigabyte.
What is the cheapest Tianken hard drives & ssd per GB?
The cheapest Tianken option is the Tianken Ultra Slim Portable External Hard Drive USB 3.0 HDD Storage for PC, Laptop, Mac, Xbox one, PS4, PS5 (1TB) at $0.0630/GB ($62.99 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).