The SanDisk 128GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 80MB/s (SDSDUNC-128G-GN6IN) costs $0.3121/GB while the KOOTION 128GB Micro SDXC UHS-I U3 V30 A1 Memory Card - High Speed TF Card for Phone, Camera costs $0.2024/GB. KOOTION 128GB Micro SDXC UHS-I U3 V30 A1 Memory Card - High Speed TF Card for Phone, Camera offers 35% 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 80MB/s (SDSDUNC-128G-GN6IN) vs KOOTION 128GB Micro SDXC UHS-I U3 V30 A1 Memory Card - High Speed TF Card for Phone, Camera — Which Is Better Value?
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Specification Comparison
| Spec | SanDisk 128GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 80MB/s (SDSDUNC-128G-GN6IN) | KOOTION 128GB Micro SDXC UHS-I U3 V30 A1 Memory Card - High Speed TF Card for Phone, Camera |
|---|---|---|
| Brand | SanDisk | KOOTION |
| Capacity | 128GB | 128 GB |
| $/GB | $0.3121 | $0.2024 |
| Price | $39.95 | $25.91 |
| 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 KOOTION 128GB Micro SDXC UHS-I U3 V30 A1 Memory Card - High Speed TF Card for Phone, Camera offers better value at $0.2024//GB compared to the SanDisk 128GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 80MB/s (SDSDUNC-128G-GN6IN) at $0.3121//GB — that's roughly 35% less per gigabyte.
The best deal for the KOOTION 128GB Micro SDXC UHS-I U3 V30 A1 Memory Card - High Speed TF Card for Phone, Camera is $25.91 at Amazon, while the SanDisk 128GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 80MB/s (SDSDUNC-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 80MB/s (SDSDUNC-128G-GN6IN) and KOOTION 128GB Micro SDXC UHS-I U3 V30 A1 Memory Card - High Speed TF Card for Phone, Camera 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 80MB/s (SDSDUNC-128G-GN6IN) or KOOTION 128GB Micro SDXC UHS-I U3 V30 A1 Memory Card - High Speed TF Card for Phone, Camera a better deal?
As of August 2026, KOOTION 128GB Micro SDXC UHS-I U3 V30 A1 Memory Card - High Speed TF Card for Phone, Camera offers better value at $0.2024//GB compared to SanDisk 128GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 80MB/s (SDSDUNC-128G-GN6IN) at $0.3121//GB. That is approximately 35% better value per gigabyte.
What is the price per GB of SanDisk 128GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 80MB/s (SDSDUNC-128G-GN6IN)?
The SanDisk 128GB Ultra SDXC UHS-I/Class 10 Memory Card, Speed Up to 80MB/s (SDSDUNC-128G-GN6IN) is currently priced at $0.3121/GB ($39.95 for 128GB) at Newegg.
Where can I buy KOOTION 128GB Micro SDXC UHS-I U3 V30 A1 Memory Card - High Speed TF Card for Phone, Camera for the cheapest price?
The cheapest price for the KOOTION 128GB Micro SDXC UHS-I U3 V30 A1 Memory Card - High Speed TF Card for Phone, Camera is $25.91 at Amazon, which works out to $0.2024/GB.