The Silicon Power 128GB Superior Micro SDXC UHS-I (U3), V30 4K A2, High Speed MicroSD Card with Adapter costs $0.2732/GB while the Wintec Professional PLUS 128GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD128GU1PI-R costs $0.1405/GB. Wintec Professional PLUS 128GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD128GU1PI-R offers 49% better value per gigabyte as of August 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 128GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD128GU1PI-R — Which Is Better Value?
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Specification Comparison
| Spec | Silicon Power 128GB Superior Micro SDXC UHS-I (U3), V30 4K A2, High Speed MicroSD Card with Adapter | Wintec Professional PLUS 128GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD128GU1PI-R |
|---|---|---|
| Brand | SP Silicon Power | Wintec |
| Capacity | 128 GB | 128GB |
| $/GB | $0.2732 | $0.1405 |
| Price | $34.97 | $17.99 |
| 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 Wintec Professional PLUS 128GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD128GU1PI-R offers better value at $0.1405//GB compared to the Silicon Power 128GB Superior Micro SDXC UHS-I (U3), V30 4K A2, High Speed MicroSD Card with Adapter at $0.2732//GB — that's roughly 49% less per gigabyte.
The best deal for the Wintec Professional PLUS 128GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD128GU1PI-R is $17.99 at Newegg, while the Silicon Power 128GB Superior Micro SDXC UHS-I (U3), V30 4K A2, High Speed MicroSD Card with Adapter starts at $34.97 at Amazon.
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 128GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD128GU1PI-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 128GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD128GU1PI-R a better deal?
As of August 2026, Wintec Professional PLUS 128GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD128GU1PI-R offers better value at $0.1405//GB compared to Silicon Power 128GB Superior Micro SDXC UHS-I (U3), V30 4K A2, High Speed MicroSD Card with Adapter at $0.2732//GB. That is approximately 49% 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 $0.2732/GB ($34.97 for 128 GB) at Amazon.
Where can I buy Wintec Professional PLUS 128GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD128GU1PI-R for the cheapest price?
The cheapest price for the Wintec Professional PLUS 128GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD128GU1PI-R is $17.99 at Newegg, which works out to $0.1405/GB.