ADATA vs Sp Silicon Power Hard Drives & SSDs
Side-by-side price per gigabyte comparison across 14 products.
As of March 2026, ADATA averages $0.2355/GB across 4 products while Sp Silicon Power averages $0.1534/GB across 10 products on BuyPerUnit. Sp Silicon Power offers 35% better value per gigabyte for hard drives & ssds.
ADATA
Sp Silicon Power
Better ValueCheapest Product
SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25)4 TB · $359.97 · amazon
Top Products Compared
Which Should You Buy?
Based on current pricing data, Sp Silicon Power offers better overall value for hard drives & ssds at an average of $0.1534/GB compared to ADATA's $0.2355/GB — that's roughly 35% less per gigabyte.
Sp Silicon Power's best deal is the SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) (4 TB) at $0.0900/GB, while ADATA's cheapest option is the ADATA Ultimate SU650 Solid State Drive - 1TB Internal SSD - 2.5" SATA 6Gb/s - PC Upgrade - High-Speed, Secure Data Storage - Advanced Error Correction - Desktop Compatible - ASU650SS-1TT-R (1 TB) at $0.1150/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 ADATA or Sp Silicon Power cheaper per GB for hard drives & ssds?
As of March 2026, Sp Silicon Power averages $0.1534/GB compared to ADATA at $0.2355/GB. Sp Silicon Power is approximately 35% cheaper per gigabyte on average.
How many ADATA and Sp Silicon Power hard drives & ssds does BuyPerUnit track?
BuyPerUnit currently tracks 4 ADATA products and 10 Sp Silicon Power products in the hard drives & ssds category, all ranked by price per gigabyte.
What is the cheapest ADATA hard drives & ssd per GB?
The cheapest ADATA option is the ADATA Ultimate SU650 Solid State Drive - 1TB Internal SSD - 2.5" SATA 6Gb/s - PC Upgrade - High-Speed, Secure Data Storage - Advanced Error Correction - Desktop Compatible - ASU650SS-1TT-R at $0.1150/GB ($115.00 for 1 TB).
What is the cheapest Sp Silicon Power hard drives & ssd per GB?
The cheapest Sp Silicon Power option is the SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) at $0.0900/GB ($359.97 for 4 TB).