Digital vs Silicon Power SD Cards
Side-by-side price per gigabyte comparison across 9 products.
As of March 2026, Digital averages $51.3713/GB across 1 products while Silicon Power averages $0.2781/GB across 8 products on BuyPerUnit. Silicon Power offers 99% better value per gigabyte for sd cards.
Digital
Cheapest Product
Digital Speed 2500X 8GB Professional High Speed Mach III 350MB/s Error Free (SDHC) HD Memory Card Class 108GB · $410.97 · newegg
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 | Digital | Digital Speed 2500X 8GB Professional High Speed Mach III 350MB/s Error Free (SDHC) HD Memory Card Class 10 | 8GB | $51.3713 | $410.97 | 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 Digital's $51.3713/GB — that's roughly 99% 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 Digital's cheapest option is the Digital Speed 2500X 8GB Professional High Speed Mach III 350MB/s Error Free (SDHC) HD Memory Card Class 10 (8GB) at $51.3713/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 Digital or Silicon Power cheaper per GB for sd cards?
As of March 2026, Silicon Power averages $0.2781/GB compared to Digital at $51.3713/GB. Silicon Power is approximately 99% cheaper per gigabyte on average.
How many Digital and Silicon Power sd cards does BuyPerUnit track?
BuyPerUnit currently tracks 1 Digital products and 8 Silicon Power products in the sd cards category, all ranked by price per gigabyte.
What is the cheapest Digital sd card per GB?
The cheapest Digital option is the Digital Speed 2500X 8GB Professional High Speed Mach III 350MB/s Error Free (SDHC) HD Memory Card Class 10 at $51.3713/GB ($410.97 for 8GB).
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).