The KOOTION 128GB Micro SDXC UHS-I U3 V30 A1 Memory Card - High Speed TF Card for Phone, Camera costs $0.2137/GB while the SanDisk 128GB Extreme PRO SDXC UHS-II Memory Card - Up to 300MB/s Read and Write speeds, V90, 8K, 4K UHD, SD Card - SDSDXDM-128G-GN4IN costs $1.5624/GB. KOOTION 128GB Micro SDXC UHS-I U3 V30 A1 Memory Card - High Speed TF Card for Phone, Camera offers 86% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
KOOTION 128GB Micro SDXC UHS-I U3 V30 A1 Memory Card - High Speed TF Card for Phone, Camera vs SanDisk 128GB Extreme PRO SDXC UHS-II Memory Card - Up to 300MB/s Read and Write speeds, V90, 8K, 4K UHD, SD Card - SDSDXDM-128G-GN4IN — Which Is Better Value?
Specification Comparison
| Spec | KOOTION 128GB Micro SDXC UHS-I U3 V30 A1 Memory Card - High Speed TF Card for Phone, Camera | SanDisk 128GB Extreme PRO SDXC UHS-II Memory Card - Up to 300MB/s Read and Write speeds, V90, 8K, 4K UHD, SD Card - SDSDXDM-128G-GN4IN |
|---|---|---|
| Brand | KOOTION | SanDisk |
| Capacity | 128 GB | 128 GB |
| $/GB | $0.2137 | $1.5624 |
| Price | $27.35 | $199.99 |
| Retailer | Amazon | Amazon |
| Category | SD Cards | SD Cards |
| Subcategory | micro-sd | 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 $0.2137//GB compared to the SanDisk 128GB Extreme PRO SDXC UHS-II Memory Card - Up to 300MB/s Read and Write speeds, V90, 8K, 4K UHD, SD Card - SDSDXDM-128G-GN4IN at $1.5624//GB — that's roughly 86% 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 $27.35 at Amazon, while the SanDisk 128GB Extreme PRO SDXC UHS-II Memory Card - Up to 300MB/s Read and Write speeds, V90, 8K, 4K UHD, SD Card - SDSDXDM-128G-GN4IN starts at $199.99 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each KOOTION 128GB Micro SDXC UHS-I U3 V30 A1 Memory Card - High Speed TF Card for Phone, Camera and SanDisk 128GB Extreme PRO SDXC UHS-II Memory Card - Up to 300MB/s Read and Write speeds, V90, 8K, 4K UHD, SD Card - SDSDXDM-128G-GN4IN product page for detailed specifications and price history.
Frequently Asked Questions
Is KOOTION 128GB Micro SDXC UHS-I U3 V30 A1 Memory Card - High Speed TF Card for Phone, Camera or SanDisk 128GB Extreme PRO SDXC UHS-II Memory Card - Up to 300MB/s Read and Write speeds, V90, 8K, 4K UHD, SD Card - SDSDXDM-128G-GN4IN a better deal?
As of June 2026, KOOTION 128GB Micro SDXC UHS-I U3 V30 A1 Memory Card - High Speed TF Card for Phone, Camera offers better value at $0.2137//GB compared to SanDisk 128GB Extreme PRO SDXC UHS-II Memory Card - Up to 300MB/s Read and Write speeds, V90, 8K, 4K UHD, SD Card - SDSDXDM-128G-GN4IN at $1.5624//GB. That is approximately 86% better value per gigabyte.
What is the price per GB of KOOTION 128GB Micro SDXC UHS-I U3 V30 A1 Memory Card - High Speed TF Card for Phone, Camera?
The KOOTION 128GB Micro SDXC UHS-I U3 V30 A1 Memory Card - High Speed TF Card for Phone, Camera is currently priced at $0.2137/GB ($27.35 for 128 GB) at Amazon.
Where can I buy SanDisk 128GB Extreme PRO SDXC UHS-II Memory Card - Up to 300MB/s Read and Write speeds, V90, 8K, 4K UHD, SD Card - SDSDXDM-128G-GN4IN for the cheapest price?
The cheapest price for the SanDisk 128GB Extreme PRO SDXC UHS-II Memory Card - Up to 300MB/s Read and Write speeds, V90, 8K, 4K UHD, SD Card - SDSDXDM-128G-GN4IN is $199.99 at Amazon, which works out to $1.5624/GB.