The Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10) costs $0.1796/GB while the SanDisk 64GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 80MB/s (SDSDUNC-064G-GN6IN) costs $0.4680/GB. Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10) offers 62% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10) vs SanDisk 64GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 80MB/s (SDSDUNC-064G-GN6IN) — Which Is Better Value?
Specification Comparison
| Spec | Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10) | SanDisk 64GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 80MB/s (SDSDUNC-064G-GN6IN) |
|---|---|---|
| Brand | Silicon Power | SanDisk |
| Capacity | 128GB | 64GB |
| $/GB | $0.1796 | $0.4680 |
| Price | $22.99 | $29.95 |
| Retailer | Newegg | Newegg |
| Category | SD Cards | SD Cards |
| Subcategory | sd | sd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10) offers better value at $0.1796//GB compared to the SanDisk 64GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 80MB/s (SDSDUNC-064G-GN6IN) at $0.4680//GB — that's roughly 62% less per gigabyte.
The best deal for the Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10) is $22.99 at Newegg, while the SanDisk 64GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 80MB/s (SDSDUNC-064G-GN6IN) starts at $29.95 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10) and SanDisk 64GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 80MB/s (SDSDUNC-064G-GN6IN) product page for detailed specifications and price history.
Frequently Asked Questions
Is Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10) or SanDisk 64GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 80MB/s (SDSDUNC-064G-GN6IN) a better deal?
As of June 2026, Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10) offers better value at $0.1796//GB compared to SanDisk 64GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 80MB/s (SDSDUNC-064G-GN6IN) at $0.4680//GB. That is approximately 62% better value per gigabyte.
What is the price per GB of Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10)?
The Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10) is currently priced at $0.1796/GB ($22.99 for 128GB) at Newegg.
Where can I buy SanDisk 64GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 80MB/s (SDSDUNC-064G-GN6IN) for the cheapest price?
The cheapest price for the SanDisk 64GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 80MB/s (SDSDUNC-064G-GN6IN) is $29.95 at Newegg, which works out to $0.4680/GB.