The SanDisk Extreme 64GB microSD UHS-I Card with Adapter - 160MB/s U3 A2 - SDSQXA... costs $0.6836/GB while the Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10) costs $0.1796/GB. Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10) offers 74% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SanDisk Extreme 64GB microSD UHS-I Card with Adapter - 160MB/s U3 A2 - SDSQXA... 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 Extreme 64GB microSD UHS-I Card with Adapter - 160MB/s U3 A2 - SDSQXA... | Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10) |
|---|---|---|
| Brand | SanDisk | Silicon Power |
| Capacity | 64GB | 128GB |
| $/GB | $0.6836 | $0.1796 |
| Price | $43.75 | $22.99 |
| Retailer | Newegg | Newegg |
| Category | SD Cards | SD Cards |
| Subcategory | micro-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 Extreme 64GB microSD UHS-I Card with Adapter - 160MB/s U3 A2 - SDSQXA... at $0.6836//GB — that's roughly 74% 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 Extreme 64GB microSD UHS-I Card with Adapter - 160MB/s U3 A2 - SDSQXA... starts at $43.75 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 Extreme 64GB microSD UHS-I Card with Adapter - 160MB/s U3 A2 - SDSQXA... 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 Extreme 64GB microSD UHS-I Card with Adapter - 160MB/s U3 A2 - SDSQXA... or Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10) 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 Extreme 64GB microSD UHS-I Card with Adapter - 160MB/s U3 A2 - SDSQXA... at $0.6836//GB. That is approximately 74% better value per gigabyte.
What is the price per GB of SanDisk Extreme 64GB microSD UHS-I Card with Adapter - 160MB/s U3 A2 - SDSQXA...?
The SanDisk Extreme 64GB microSD UHS-I Card with Adapter - 160MB/s U3 A2 - SDSQXA... is currently priced at $0.6836/GB ($43.75 for 64GB) 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 $22.99 at Newegg, which works out to $0.1796/GB.