The Silicon Power 128GB Superior Micro SDXC UHS-I (U3), V30 4K A2, High Speed MicroSD Card with Adapter costs $0.1265/GB while the Wintec Professional PLUS 64GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD64GBU1PI-R costs $0.1366/GB. Silicon Power 128GB Superior Micro SDXC UHS-I (U3), V30 4K A2, High Speed MicroSD Card with Adapter offers 7% better value per gigabyte as of April 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Silicon Power 128GB Superior Micro SDXC UHS-I (U3), V30 4K A2, High Speed MicroSD Card with Adapter vs Wintec Professional PLUS 64GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD64GBU1PI-R — Which Is Better Value?
Specification Comparison
| Spec | Silicon Power 128GB Superior Micro SDXC UHS-I (U3), V30 4K A2, High Speed MicroSD Card with Adapter | Wintec Professional PLUS 64GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD64GBU1PI-R |
|---|---|---|
| Brand | SP Silicon Power | Wintec |
| Capacity | 128 GB | 64GB |
| $/GB | $0.1265 | $0.1366 |
| Price | $16.19 | $8.74 |
| Retailer | Amazon | 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 Superior Micro SDXC UHS-I (U3), V30 4K A2, High Speed MicroSD Card with Adapter offers better value at $0.1265//GB compared to the Wintec Professional PLUS 64GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD64GBU1PI-R at $0.1366//GB — that's roughly 7% less per gigabyte.
The best deal for the Silicon Power 128GB Superior Micro SDXC UHS-I (U3), V30 4K A2, High Speed MicroSD Card with Adapter is $16.19 at Amazon, while the Wintec Professional PLUS 64GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD64GBU1PI-R starts at $8.74 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 Superior Micro SDXC UHS-I (U3), V30 4K A2, High Speed MicroSD Card with Adapter and Wintec Professional PLUS 64GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD64GBU1PI-R product page for detailed specifications and price history.
Frequently Asked Questions
Is Silicon Power 128GB Superior Micro SDXC UHS-I (U3), V30 4K A2, High Speed MicroSD Card with Adapter or Wintec Professional PLUS 64GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD64GBU1PI-R a better deal?
As of April 2026, Silicon Power 128GB Superior Micro SDXC UHS-I (U3), V30 4K A2, High Speed MicroSD Card with Adapter offers better value at $0.1265//GB compared to Wintec Professional PLUS 64GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD64GBU1PI-R at $0.1366//GB. That is approximately 7% better value per gigabyte.
What is the price per GB of Silicon Power 128GB Superior Micro SDXC UHS-I (U3), V30 4K A2, High Speed MicroSD Card with Adapter?
The Silicon Power 128GB Superior Micro SDXC UHS-I (U3), V30 4K A2, High Speed MicroSD Card with Adapter is currently priced at $0.1265/GB ($16.19 for 128 GB) at Amazon.
Where can I buy Wintec Professional PLUS 64GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD64GBU1PI-R for the cheapest price?
The cheapest price for the Wintec Professional PLUS 64GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD64GBU1PI-R is $8.74 at Newegg, which works out to $0.1366/GB.