Samsung vs Unionsine Hard Drives & SSDs
Side-by-side price per gigabyte comparison across 55 products.
As of March 2026, Samsung averages $0.1985/GB across 53 products while Unionsine averages $0.0665/GB across 2 products on BuyPerUnit. Unionsine offers 67% better value per gigabyte for hard drives & ssds.
Samsung
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 | Samsung | Samsung - SSD 9100 PRO 8TB Internal SSD, PCIe 5.0x4 M.2 | 8 TB | $0.1312 | $1049.99 | 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 | Samsung | Samsung - SSD 9100 PRO with Heatsink 8TB Internal SSD, PCIe 5.0x4 M.2 | 8 TB | $0.1337 | $1069.99 | 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 | Samsung | Samsung - T5 EVO Portable SSD 8TB, Up to 460MB/s , USB 3.2 Gen 1, Ideal use for Gamers & Creators - Black | 8 TB | $0.1400 | $1119.99 | bestbuy |
| 4 | Samsung | Samsung - 990 PRO 4TB Internal SSD PCIe Gen 4x4 NVMe with Heatsink for PS5 | 4 TB | $0.1425 | $569.99 | bestbuy |
| 5 | Samsung | Samsung - 990 PRO 2TB Internal SSD PCIe Gen 4x4 NVMe with Heatsink for PS5 | 2 TB | $0.1600 | $319.99 | 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 Samsung's $0.1985/GB — that's roughly 67% 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 Samsung's cheapest option is the Samsung - SSD 9100 PRO 8TB Internal SSD, PCIe 5.0x4 M.2 (8 TB) at $0.1312/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 Samsung or Unionsine cheaper per GB for hard drives & ssds?
As of March 2026, Unionsine averages $0.0665/GB compared to Samsung at $0.1985/GB. Unionsine is approximately 67% cheaper per gigabyte on average.
How many Samsung and Unionsine hard drives & ssds does BuyPerUnit track?
BuyPerUnit currently tracks 53 Samsung products and 2 Unionsine products in the hard drives & ssds category, all ranked by price per gigabyte.
What is the cheapest Samsung hard drives & ssd per GB?
The cheapest Samsung option is the Samsung - SSD 9100 PRO 8TB Internal SSD, PCIe 5.0x4 M.2 at $0.1312/GB ($1049.99 for 8 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).