Toshiba vs Unionsine Hard Drives & SSDs
Side-by-side price per gigabyte comparison across 9 products.
As of March 2026, Toshiba averages $0.0618/GB across 7 products while Unionsine averages $0.0665/GB across 2 products on BuyPerUnit. Toshiba offers 7% better value per gigabyte for hard drives & ssds.
Toshiba
Better ValueCheapest Product
Toshiba Canvio Basics 4TB Portable External Hard Drive USB 3.0, Black - HDTB540XK3CA4 TB · $145.00 · amazon
Unionsine
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 | Toshiba | Toshiba Canvio Basics 4TB Portable External Hard Drive USB 3.0, Black - HDTB540XK3CA | 4 TB | $0.0362 | $145.00 | 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 | Toshiba | Toshiba Canvio Basics 2TB Portable External Hard Drive USB 3.0, Black - HDTB520XK3AA | 2 TB | $0.0440 | $88.00 | 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 |
| 3 | Toshiba | Toshiba 1TB 5400RPM 8MB Cache SATA 3.0Gb/s 2.5 inch PS3/PS4 Hard Drive - 3 Year Warranty | 1 TB | $0.0594 | $59.40 | amazon |
| 4 | Toshiba | Toshiba 1TB 5400RPM 8MB Cache SATA 3.0Gb/s 2.5 inch Notebook Hard Drive (MQ01ABD100V) - 1 Year Warranty,Usb | 1 TB | $0.0600 | $59.99 | amazon |
| 5 | Toshiba | Toshiba Canvio Advance 1TB Portable External Hard Drive USB 3.0, Red - HDTCA10XR3AA | 1 TB | $0.0754 | $75.41 | amazon |
Which Should You Buy?
Based on current pricing data, Toshiba offers better overall value for hard drives & ssds at an average of $0.0618/GB compared to Unionsine's $0.0665/GB — that's roughly 7% less per gigabyte.
Toshiba's best deal is the Toshiba Canvio Basics 4TB Portable External Hard Drive USB 3.0, Black - HDTB540XK3CA (4 TB) at $0.0362/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 Toshiba or Unionsine cheaper per GB for hard drives & ssds?
As of March 2026, Toshiba averages $0.0618/GB compared to Unionsine at $0.0665/GB. Toshiba is approximately 7% cheaper per gigabyte on average.
How many Toshiba and Unionsine hard drives & ssds does BuyPerUnit track?
BuyPerUnit currently tracks 7 Toshiba products and 2 Unionsine products in the hard drives & ssds category, all ranked by price per gigabyte.
What is the cheapest Toshiba hard drives & ssd per GB?
The cheapest Toshiba option is the Toshiba Canvio Basics 4TB Portable External Hard Drive USB 3.0, Black - HDTB540XK3CA at $0.0362/GB ($145.00 for 4 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).