The SanDisk SDSDUNR-128G-GN3IN CYU 128GB 9pin SDXC r100MB/s C10 UHS-I SanDisk Ultra SDXC Memory Card Retail costs $0.1545/GB while the Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10) costs $0.1224/GB. Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10) offers 21% better value per gigabyte as of March 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SanDisk SDSDUNR-128G-GN3IN CYU 128GB 9pin SDXC r100MB/s C10 UHS-I SanDisk Ultra SDXC Memory Card Retail vs Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10) — Which Is Better Value?
Specification Comparison
| Spec | SanDisk SDSDUNR-128G-GN3IN CYU 128GB 9pin SDXC r100MB/s C10 UHS-I SanDisk Ultra SDXC Memory Card Retail | Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10) |
|---|---|---|
| Brand | SanDisk | Silicon Power |
| Capacity | 128GB | 128GB |
| $/GB | $0.1545 | $0.1224 |
| Price | $19.77 | $15.67 |
| 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 $0.1224//GB compared to the SanDisk SDSDUNR-128G-GN3IN CYU 128GB 9pin SDXC r100MB/s C10 UHS-I SanDisk Ultra SDXC Memory Card Retail at $0.1545//GB — that's roughly 21% 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 $15.67 at Newegg, while the SanDisk SDSDUNR-128G-GN3IN CYU 128GB 9pin SDXC r100MB/s C10 UHS-I SanDisk Ultra SDXC Memory Card Retail starts at $19.77 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each SanDisk SDSDUNR-128G-GN3IN CYU 128GB 9pin SDXC r100MB/s C10 UHS-I SanDisk Ultra SDXC Memory Card Retail and Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10) product page for detailed specifications and price history.
Frequently Asked Questions
Is SanDisk SDSDUNR-128G-GN3IN CYU 128GB 9pin SDXC r100MB/s C10 UHS-I SanDisk Ultra SDXC Memory Card Retail or Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10) a better deal?
As of March 2026, Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10) offers better value at $0.1224//GB compared to SanDisk SDSDUNR-128G-GN3IN CYU 128GB 9pin SDXC r100MB/s C10 UHS-I SanDisk Ultra SDXC Memory Card Retail at $0.1545//GB. That is approximately 21% better value per gigabyte.
What is the price per GB of SanDisk SDSDUNR-128G-GN3IN CYU 128GB 9pin SDXC r100MB/s C10 UHS-I SanDisk Ultra SDXC Memory Card Retail?
The SanDisk SDSDUNR-128G-GN3IN CYU 128GB 9pin SDXC r100MB/s C10 UHS-I SanDisk Ultra SDXC Memory Card Retail is currently priced at $0.1545/GB ($19.77 for 128GB) at Newegg.
Where can I buy Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10) for the cheapest price?
The cheapest price for the Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10) is $15.67 at Newegg, which works out to $0.1224/GB.