St4000nm0035 vs Unionsine Hard Drives & SSDs
Side-by-side price per gigabyte comparison across 3 products.
As of March 2026, St4000nm0035 averages $0.0324/GB across 1 products while Unionsine averages $0.0665/GB across 2 products on BuyPerUnit. St4000nm0035 offers 51% better value per gigabyte for hard drives & ssds.
St4000nm0035
Better ValueCheapest Product
ST4000NM0035 Enterprise-class 4TB SATA Monitors 4T Hard Drives4TB · $129.60 · newegg
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 | St4000nm0035 | ST4000NM0035 Enterprise-class 4TB SATA Monitors 4T Hard Drives | 4TB | $0.0324 | $129.60 | 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 | 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, St4000nm0035 offers better overall value for hard drives & ssds at an average of $0.0324/GB compared to Unionsine's $0.0665/GB — that's roughly 51% less per gigabyte.
St4000nm0035's best deal is the ST4000NM0035 Enterprise-class 4TB SATA Monitors 4T Hard Drives (4TB) at $0.0324/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 St4000nm0035 or Unionsine cheaper per GB for hard drives & ssds?
As of March 2026, St4000nm0035 averages $0.0324/GB compared to Unionsine at $0.0665/GB. St4000nm0035 is approximately 51% cheaper per gigabyte on average.
How many St4000nm0035 and Unionsine hard drives & ssds does BuyPerUnit track?
BuyPerUnit currently tracks 1 St4000nm0035 products and 2 Unionsine products in the hard drives & ssds category, all ranked by price per gigabyte.
What is the cheapest St4000nm0035 hard drives & ssd per GB?
The cheapest St4000nm0035 option is the ST4000NM0035 Enterprise-class 4TB SATA Monitors 4T Hard Drives at $0.0324/GB ($129.60 for 4TB).
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).