Transcend vs Unionsine Hard Drives & SSDs
Side-by-side price per gigabyte comparison across 5 products.
As of March 2026, Transcend averages $0.1530/GB across 3 products while Unionsine averages $0.0665/GB across 2 products on BuyPerUnit. Unionsine offers 57% better value per gigabyte for hard drives & ssds.
Transcend
Cheapest Product
Transcend TS512GESD300S 512GB External, Portable, USB Type-C Solid State Drive, with Speeds up to 1,050MB/s512GB · $75.99 · newegg
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 | Transcend | Transcend TS512GESD300S 512GB External, Portable, USB Type-C Solid State Drive, with Speeds up to 1,050MB/s | 512GB | $0.1484 | $75.99 | newegg |
| 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 | Transcend | Transcend TS512GESD300P 512GB External, Portable, USB Type-C Solid State Drive, with Speeds up to 1,050MB/s | 512GB | $0.1484 | $75.99 | newegg |
| 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 |
| 3 | Transcend | Transcend Portable SSD ESD300C 512GB USB Type-C 10Gbps PS4/PS5 Compatible, Blue - TS512GESD300C | 512GB | $0.1621 | $82.99 | newegg |
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 Transcend's $0.1530/GB — that's roughly 57% 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 Transcend's cheapest option is the Transcend TS512GESD300S 512GB External, Portable, USB Type-C Solid State Drive, with Speeds up to 1,050MB/s (512GB) at $0.1484/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 Transcend or Unionsine cheaper per GB for hard drives & ssds?
As of March 2026, Unionsine averages $0.0665/GB compared to Transcend at $0.1530/GB. Unionsine is approximately 57% cheaper per gigabyte on average.
How many Transcend and Unionsine hard drives & ssds does BuyPerUnit track?
BuyPerUnit currently tracks 3 Transcend products and 2 Unionsine products in the hard drives & ssds category, all ranked by price per gigabyte.
What is the cheapest Transcend hard drives & ssd per GB?
The cheapest Transcend option is the Transcend TS512GESD300S 512GB External, Portable, USB Type-C Solid State Drive, with Speeds up to 1,050MB/s at $0.1484/GB ($75.99 for 512GB).
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).