Synology vs Unionsine Hard Drives & SSDs
Side-by-side price per gigabyte comparison across 3 products.
As of March 2026, Synology averages $0.2097/GB across 1 products while Unionsine averages $0.0665/GB across 2 products on BuyPerUnit. Unionsine offers 68% better value per gigabyte for hard drives & ssds.
Synology
Cheapest Product
Synology DiskStation DS218play Mini Desktop NAS Server, Realtek RTD1296 Quad-Core, 1GB DDR4 Synology RAM, 4TB SSD, Synology DSM Software4TB · $839.00 · 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 | Synology | Synology DiskStation DS218play Mini Desktop NAS Server, Realtek RTD1296 Quad-Core, 1GB DDR4 Synology RAM, 4TB SSD, Synology DSM Software | 4TB | $0.2097 | $839.00 | 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, Unionsine offers better overall value for hard drives & ssds at an average of $0.0665/GB compared to Synology's $0.2097/GB — that's roughly 68% 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 Synology's cheapest option is the Synology DiskStation DS218play Mini Desktop NAS Server, Realtek RTD1296 Quad-Core, 1GB DDR4 Synology RAM, 4TB SSD, Synology DSM Software (4TB) at $0.2097/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 Synology or Unionsine cheaper per GB for hard drives & ssds?
As of March 2026, Unionsine averages $0.0665/GB compared to Synology at $0.2097/GB. Unionsine is approximately 68% cheaper per gigabyte on average.
How many Synology and Unionsine hard drives & ssds does BuyPerUnit track?
BuyPerUnit currently tracks 1 Synology products and 2 Unionsine products in the hard drives & ssds category, all ranked by price per gigabyte.
What is the cheapest Synology hard drives & ssd per GB?
The cheapest Synology option is the Synology DiskStation DS218play Mini Desktop NAS Server, Realtek RTD1296 Quad-Core, 1GB DDR4 Synology RAM, 4TB SSD, Synology DSM Software at $0.2097/GB ($839.00 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).