The SanDisk 64GB SD 64G SDXC Ultra 48MB/s 320X Flash card UHS C10 SDSDUNB-064G costs $0.3328/GB while the Wintec Professional PLUS 128GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD128GU1PI-R costs $0.1249/GB. Wintec Professional PLUS 128GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD128GU1PI-R offers 62% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SanDisk 64GB SD 64G SDXC Ultra 48MB/s 320X Flash card UHS C10 SDSDUNB-064G vs Wintec Professional PLUS 128GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD128GU1PI-R — Which Is Better Value?
Specification Comparison
| Spec | SanDisk 64GB SD 64G SDXC Ultra 48MB/s 320X Flash card UHS C10 SDSDUNB-064G | Wintec Professional PLUS 128GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD128GU1PI-R |
|---|---|---|
| Brand | SanDisk | Wintec |
| Capacity | 64GB | 128GB |
| $/GB | $0.3328 | $0.1249 |
| Price | $21.30 | $15.99 |
| Retailer | Newegg | Newegg |
| Category | SD Cards | SD Cards |
| Subcategory | 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 $0.1249//GB compared to the SanDisk 64GB SD 64G SDXC Ultra 48MB/s 320X Flash card UHS C10 SDSDUNB-064G at $0.3328//GB — that's roughly 62% less per gigabyte.
The best deal for the Wintec Professional PLUS 128GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD128GU1PI-R is $15.99 at Newegg, while the SanDisk 64GB SD 64G SDXC Ultra 48MB/s 320X Flash card UHS C10 SDSDUNB-064G starts at $21.30 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 64GB SD 64G SDXC Ultra 48MB/s 320X Flash card UHS C10 SDSDUNB-064G 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 SanDisk 64GB SD 64G SDXC Ultra 48MB/s 320X Flash card UHS C10 SDSDUNB-064G or Wintec Professional PLUS 128GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD128GU1PI-R a better deal?
As of May 2026, Wintec Professional PLUS 128GB Secure Digital Extended Capacity (SDXC) Flash Card Model 3FMSD128GU1PI-R offers better value at $0.1249//GB compared to SanDisk 64GB SD 64G SDXC Ultra 48MB/s 320X Flash card UHS C10 SDSDUNB-064G at $0.3328//GB. That is approximately 62% better value per gigabyte.
What is the price per GB of SanDisk 64GB SD 64G SDXC Ultra 48MB/s 320X Flash card UHS C10 SDSDUNB-064G?
The SanDisk 64GB SD 64G SDXC Ultra 48MB/s 320X Flash card UHS C10 SDSDUNB-064G is currently priced at $0.3328/GB ($21.30 for 64GB) at Newegg.
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 $15.99 at Newegg, which works out to $0.1249/GB.