Silicon Power vs Unirex SD Cards
Side-by-side price per gigabyte comparison across 14 products.
As of March 2026, Silicon Power averages $0.2781/GB across 8 products while Unirex averages $0.4149/GB across 6 products on BuyPerUnit. Silicon Power offers 33% better value per gigabyte for sd cards.
Silicon Power
Better ValueCheapest Product
Silicon Power 1TB Superior microSDXC UHS-I (U3), V30 4K A1 Memory Card with Adapter (SP001TBSTXDV3V20SP)1TB · $137.79 · newegg
Unirex
Top Products Compared
Which Should You Buy?
Based on current pricing data, Silicon Power offers better overall value for sd cards at an average of $0.2781/GB compared to Unirex's $0.4149/GB — that's roughly 33% less per gigabyte.
Silicon Power's best deal is the Silicon Power 1TB Superior microSDXC UHS-I (U3), V30 4K A1 Memory Card with Adapter (SP001TBSTXDV3V20SP) (1TB) at $0.1378/GB, while Unirex's cheapest option is the Unirex UMS645MUHS1 64GB microSDHC Card (64GB) at $0.1873/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 Silicon Power or Unirex cheaper per GB for sd cards?
As of March 2026, Silicon Power averages $0.2781/GB compared to Unirex at $0.4149/GB. Silicon Power is approximately 33% cheaper per gigabyte on average.
How many Silicon Power and Unirex sd cards does BuyPerUnit track?
BuyPerUnit currently tracks 8 Silicon Power products and 6 Unirex products in the sd cards category, all ranked by price per gigabyte.
What is the cheapest Silicon Power sd card per GB?
The cheapest Silicon Power option is the Silicon Power 1TB Superior microSDXC UHS-I (U3), V30 4K A1 Memory Card with Adapter (SP001TBSTXDV3V20SP) at $0.1378/GB ($137.79 for 1TB).
What is the cheapest Unirex sd card per GB?
The cheapest Unirex option is the Unirex UMS645MUHS1 64GB microSDHC Card at $0.1873/GB ($11.99 for 64GB).