PNY vs Unionsine Hard Drives & SSDs
Side-by-side price per gigabyte comparison across 29 products.
As of March 2026, PNY averages $0.3831/GB across 27 products while Unionsine averages $0.0665/GB across 2 products on BuyPerUnit. Unionsine offers 83% better value per gigabyte for hard drives & ssds.
PNY
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 | PNY | PNY - CS900 2TB Internal SSD SATA | 2 TB | $0.1350 | $269.99 | bestbuy |
| 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 | PNY | PNY - 128GB Attaché 4 USB 2.0 Type A Flash Drive - Black | 128 GB | $0.1562 | $19.99 | bestbuy |
| 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 | PNY | PNY - Elite Turbo Attaché 4 512GB USB 3.2 Flash Drive - Gray | 512 GB | $0.1562 | $79.99 | bestbuy |
| 4 | PNY | PNY - PRO Elite V3 1TB USB 3.2 Gen 2 Flash Drive - Black | 1 TB | $0.1600 | $159.99 | bestbuy |
| 5 | PNY | PNY - 512GB Elite-X Fit USB 3.1 Flash Drive - 200MB/s - Black | 512 GB | $0.1621 | $82.99 | bestbuy |
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 PNY's $0.3831/GB — that's roughly 83% 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 PNY's cheapest option is the PNY - CS900 2TB Internal SSD SATA (2 TB) at $0.1350/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 PNY or Unionsine cheaper per GB for hard drives & ssds?
As of March 2026, Unionsine averages $0.0665/GB compared to PNY at $0.3831/GB. Unionsine is approximately 83% cheaper per gigabyte on average.
How many PNY and Unionsine hard drives & ssds does BuyPerUnit track?
BuyPerUnit currently tracks 27 PNY products and 2 Unionsine products in the hard drives & ssds category, all ranked by price per gigabyte.
What is the cheapest PNY hard drives & ssd per GB?
The cheapest PNY option is the PNY - CS900 2TB Internal SSD SATA at $0.1350/GB ($269.99 for 2 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).