The SanDisk 128GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 100MB/s (SDSDUNR-128G-GN6IN) costs $0.3121/GB while the TEKNOSTONE 128GB Basic MicroSDXC TF Memory Card with Adapter 1 Pack costs $0.2075/GB. TEKNOSTONE 128GB Basic MicroSDXC TF Memory Card with Adapter 1 Pack offers 34% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SanDisk 128GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 100MB/s (SDSDUNR-128G-GN6IN) vs TEKNOSTONE 128GB Basic MicroSDXC TF Memory Card with Adapter 1 Pack — Which Is Better Value?
Specification Comparison
| Spec | SanDisk 128GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 100MB/s (SDSDUNR-128G-GN6IN) | TEKNOSTONE 128GB Basic MicroSDXC TF Memory Card with Adapter 1 Pack |
|---|---|---|
| Brand | SanDisk | Teknostone |
| Capacity | 128GB | 128 GB |
| $/GB | $0.3121 | $0.2075 |
| Price | $39.95 | $26.56 |
| Retailer | Newegg | Amazon |
| Category | SD Cards | SD Cards |
| Subcategory | sd | micro-sd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the TEKNOSTONE 128GB Basic MicroSDXC TF Memory Card with Adapter 1 Pack offers better value at $0.2075//GB compared to the SanDisk 128GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 100MB/s (SDSDUNR-128G-GN6IN) at $0.3121//GB — that's roughly 34% less per gigabyte.
The best deal for the TEKNOSTONE 128GB Basic MicroSDXC TF Memory Card with Adapter 1 Pack is $26.56 at Amazon, while the SanDisk 128GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 100MB/s (SDSDUNR-128G-GN6IN) starts at $39.95 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 128GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 100MB/s (SDSDUNR-128G-GN6IN) and TEKNOSTONE 128GB Basic MicroSDXC TF Memory Card with Adapter 1 Pack product page for detailed specifications and price history.
Frequently Asked Questions
Is SanDisk 128GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 100MB/s (SDSDUNR-128G-GN6IN) or TEKNOSTONE 128GB Basic MicroSDXC TF Memory Card with Adapter 1 Pack a better deal?
As of July 2026, TEKNOSTONE 128GB Basic MicroSDXC TF Memory Card with Adapter 1 Pack offers better value at $0.2075//GB compared to SanDisk 128GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 100MB/s (SDSDUNR-128G-GN6IN) at $0.3121//GB. That is approximately 34% better value per gigabyte.
What is the price per GB of SanDisk 128GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 100MB/s (SDSDUNR-128G-GN6IN)?
The SanDisk 128GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 100MB/s (SDSDUNR-128G-GN6IN) is currently priced at $0.3121/GB ($39.95 for 128GB) at Newegg.
Where can I buy TEKNOSTONE 128GB Basic MicroSDXC TF Memory Card with Adapter 1 Pack for the cheapest price?
The cheapest price for the TEKNOSTONE 128GB Basic MicroSDXC TF Memory Card with Adapter 1 Pack is $26.56 at Amazon, which works out to $0.2075/GB.