The Wintec Professional PLUS 64GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD64GBU1PI-R costs $0.1386/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 12% better value per gigabyte as of March 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Wintec Professional PLUS 64GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD64GBU1PI-R 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 | Wintec Professional PLUS 64GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD64GBU1PI-R | Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10) |
|---|---|---|
| Brand | Wintec | Silicon Power |
| Capacity | 64GB | 128GB |
| $/GB | $0.1386 | $0.1224 |
| Price | $8.87 | $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 Wintec Professional PLUS 64GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD64GBU1PI-R at $0.1386//GB — that's roughly 12% 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 Wintec Professional PLUS 64GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD64GBU1PI-R starts at $8.87 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Wintec Professional PLUS 64GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD64GBU1PI-R 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 Wintec Professional PLUS 64GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD64GBU1PI-R 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 Wintec Professional PLUS 64GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD64GBU1PI-R at $0.1386//GB. That is approximately 12% better value per gigabyte.
What is the price per GB of Wintec Professional PLUS 64GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD64GBU1PI-R?
The Wintec Professional PLUS 64GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD64GBU1PI-R is currently priced at $0.1386/GB ($8.87 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 $15.67 at Newegg, which works out to $0.1224/GB.