The SANDISK 64GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-064G-GN6IN costs $0.3592/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 46% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SANDISK 64GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-064G-GN6IN vs TEKNOSTONE 128GB Basic MicroSDXC TF Memory Card with Adapter 1 Pack — Which Is Better Value?
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Specification Comparison
| Spec | SANDISK 64GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-064G-GN6IN | TEKNOSTONE 128GB Basic MicroSDXC TF Memory Card with Adapter 1 Pack |
|---|---|---|
| Brand | SanDisk | Teknostone |
| Capacity | 64 GB | 128 GB |
| $/GB | $0.3592 | $0.1952 |
| Price | $22.99 | $24.99 |
| Retailer | Amazon | 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 64GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-064G-GN6IN at $0.3592//GB — that's roughly 46% 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 64GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-064G-GN6IN starts at $22.99 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each SANDISK 64GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-064G-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 64GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-064G-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 64GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-064G-GN6IN at $0.3592//GB. That is approximately 46% better value per gigabyte.
What is the price per GB of SANDISK 64GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-064G-GN6IN?
The SANDISK 64GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-064G-GN6IN is currently priced at $0.3592/GB ($22.99 for 64 GB) at Amazon.
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.