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 Ultra 128GB 100MB/s microSDXC A1 Class10 C10 U1 UHS-I 667X 128G microSD micro SD SDXC Flash Memory Card SDSQUAR-128G without Adapter costs $0.3105/GB. KOOTION 128GB Micro SDXC UHS-I U3 V30 A1 Memory Card - High Speed TF Card for Phone, Camera offers 31% 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 Ultra 128GB 100MB/s microSDXC A1 Class10 C10 U1 UHS-I 667X 128G microSD micro SD SDXC Flash Memory Card SDSQUAR-128G without Adapter — 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 Ultra 128GB 100MB/s microSDXC A1 Class10 C10 U1 UHS-I 667X 128G microSD micro SD SDXC Flash Memory Card SDSQUAR-128G without Adapter |
|---|---|---|
| Brand | KOOTION | SanDisk |
| Capacity | 128 GB | 128GB |
| $/GB | $0.2137 | $0.3105 |
| Price | $27.35 | $39.75 |
| Retailer | Amazon | Newegg |
| Category | SD Cards | SD Cards |
| Subcategory | micro-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 $0.2137//GB compared to the SanDisk Ultra 128GB 100MB/s microSDXC A1 Class10 C10 U1 UHS-I 667X 128G microSD micro SD SDXC Flash Memory Card SDSQUAR-128G without Adapter at $0.3105//GB — that's roughly 31% 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 Ultra 128GB 100MB/s microSDXC A1 Class10 C10 U1 UHS-I 667X 128G microSD micro SD SDXC Flash Memory Card SDSQUAR-128G without Adapter starts at $39.75 at Newegg.
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 Ultra 128GB 100MB/s microSDXC A1 Class10 C10 U1 UHS-I 667X 128G microSD micro SD SDXC Flash Memory Card SDSQUAR-128G without Adapter 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 Ultra 128GB 100MB/s microSDXC A1 Class10 C10 U1 UHS-I 667X 128G microSD micro SD SDXC Flash Memory Card SDSQUAR-128G without Adapter 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 Ultra 128GB 100MB/s microSDXC A1 Class10 C10 U1 UHS-I 667X 128G microSD micro SD SDXC Flash Memory Card SDSQUAR-128G without Adapter at $0.3105//GB. That is approximately 31% 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 Ultra 128GB 100MB/s microSDXC A1 Class10 C10 U1 UHS-I 667X 128G microSD micro SD SDXC Flash Memory Card SDSQUAR-128G without Adapter for the cheapest price?
The cheapest price for the SanDisk Ultra 128GB 100MB/s microSDXC A1 Class10 C10 U1 UHS-I 667X 128G microSD micro SD SDXC Flash Memory Card SDSQUAR-128G without Adapter is $39.75 at Newegg, which works out to $0.3105/GB.