The SanDisk 128GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 140MB/s (SDSDUNB-128G-GN6IN) costs $0.2577/GB while the TEKNOSTONE 128GB Basic MicroSDXC TF Memory Card with Adapter 1 Pack costs $0.1952/GB. TEKNOSTONE 128GB Basic MicroSDXC TF Memory Card with Adapter 1 Pack offers 24% better value per gigabyte as of August 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 140MB/s (SDSDUNB-128G-GN6IN) vs TEKNOSTONE 128GB Basic MicroSDXC TF Memory Card with Adapter 1 Pack — Which Is Better Value?
Prices refresh twice daily; the final price appears at the retailer's checkout. We may earn a commission from retailer links, at no cost to you; it never affects rankings.
Specification Comparison
| Spec | SanDisk 128GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 140MB/s (SDSDUNB-128G-GN6IN) | TEKNOSTONE 128GB Basic MicroSDXC TF Memory Card with Adapter 1 Pack |
|---|---|---|
| Brand | SanDisk | Teknostone |
| Capacity | 128GB | 128 GB |
| $/GB | $0.2577 | $0.1952 |
| Price | $32.98 | $24.99 |
| 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 $0.1952//GB compared to the SanDisk 128GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 140MB/s (SDSDUNB-128G-GN6IN) at $0.2577//GB — that's roughly 24% less per gigabyte.
The best deal for the TEKNOSTONE 128GB Basic MicroSDXC TF Memory Card with Adapter 1 Pack is $24.99 at Amazon, while the SanDisk 128GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 140MB/s (SDSDUNB-128G-GN6IN) starts at $32.98 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 140MB/s (SDSDUNB-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 140MB/s (SDSDUNB-128G-GN6IN) or TEKNOSTONE 128GB Basic MicroSDXC TF Memory Card with Adapter 1 Pack a better deal?
As of August 2026, TEKNOSTONE 128GB Basic MicroSDXC TF Memory Card with Adapter 1 Pack offers better value at $0.1952//GB compared to SanDisk 128GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 140MB/s (SDSDUNB-128G-GN6IN) at $0.2577//GB. That is approximately 24% better value per gigabyte.
What is the price per GB of SanDisk 128GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 140MB/s (SDSDUNB-128G-GN6IN)?
The SanDisk 128GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 140MB/s (SDSDUNB-128G-GN6IN) is currently priced at $0.2577/GB ($32.98 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 $24.99 at Amazon, which works out to $0.1952/GB.