128gb vs Silicon Power SD Cards
Side-by-side price per gigabyte comparison across 9 products.
As of March 2026, 128gb averages $0.7891/GB across 1 products while Silicon Power averages $0.2781/GB across 8 products on BuyPerUnit. Silicon Power offers 65% better value per gigabyte for sd cards.
128gb
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
Top Products Compared
| Rank | Brand | Product | Capacity | $/GB | Price | Retailer |
|---|---|---|---|---|---|---|
| 1 | 128gb | 128gb Sdxc Class10 Uhs-i Card | 128GB | $0.7891 | $101.01 | newegg |
| 1 | Silicon Power | Silicon Power 1TB Superior microSDXC UHS-I (U3), V30 4K A1 Memory Card with Adapter (SP001TBSTXDV3V20SP) | 1TB | $0.1378 | $137.79 | newegg |
| 2 | Silicon Power | Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10) | 128GB | $0.1562 | $19.99 | newegg |
| 3 | Silicon Power | Silicon Power 1TB Superior Micro SDXC UHS-I (U3), V30 4K A2, High Speed MicroSD Card with Adapter | 1TB | $0.1598 | $159.79 | newegg |
| 4 | Silicon Power | Silicon Power Elite microSDXC 256GB CL10 UHS-1 Full HD 100MB/sec Memory Card w/Adapter Modle | 256GB | $0.2343 | $59.99 | newegg |
| 5 | Silicon Power | Silicon Power 64GB Elite SDXC UHS-I/U1 Class 10 Memory Card , Speed Up to 85MB/s (SP064GBSDXAU1V10) | 64GB | $0.2498 | $15.99 | newegg |
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 128gb's $0.7891/GB — that's roughly 65% 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 128gb's cheapest option is the 128gb Sdxc Class10 Uhs-i Card (128GB) at $0.7891/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 128gb or Silicon Power cheaper per GB for sd cards?
As of March 2026, Silicon Power averages $0.2781/GB compared to 128gb at $0.7891/GB. Silicon Power is approximately 65% cheaper per gigabyte on average.
How many 128gb and Silicon Power sd cards does BuyPerUnit track?
BuyPerUnit currently tracks 1 128gb products and 8 Silicon Power products in the sd cards category, all ranked by price per gigabyte.
What is the cheapest 128gb sd card per GB?
The cheapest 128gb option is the 128gb Sdxc Class10 Uhs-i Card at $0.7891/GB ($101.01 for 128GB).
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).