The KOOTION 128GB Micro SDXC UHS-I U3 V30 A1 Memory Card - High Speed TF Card for Phone, Camera costs $0.2024/GB while the SanDisk 128GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 140MB/s (SDSDUNB-128G-GN6IN) costs $0.2577/GB. KOOTION 128GB Micro SDXC UHS-I U3 V30 A1 Memory Card - High Speed TF Card for Phone, Camera offers 21% better value per gigabyte as of August 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 Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 140MB/s (SDSDUNB-128G-GN6IN) — Which Is Better Value?
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Specification Comparison
| Spec | KOOTION 128GB Micro SDXC UHS-I U3 V30 A1 Memory Card - High Speed TF Card for Phone, Camera | SanDisk 128GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 140MB/s (SDSDUNB-128G-GN6IN) |
|---|---|---|
| Brand | KOOTION | SanDisk |
| Capacity | 128 GB | 128GB |
| $/GB | $0.2024 | $0.2577 |
| Price | $25.91 | $32.98 |
| Retailer | Amazon | Newegg |
| 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 $0.2024//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 21% 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 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 KOOTION 128GB Micro SDXC UHS-I U3 V30 A1 Memory Card - High Speed TF Card for Phone, Camera and SanDisk 128GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 140MB/s (SDSDUNB-128G-GN6IN) 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 Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 140MB/s (SDSDUNB-128G-GN6IN) 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 140MB/s (SDSDUNB-128G-GN6IN) at $0.2577//GB. That is approximately 21% 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 $0.2024/GB ($25.91 for 128 GB) at Amazon.
Where can I buy SanDisk 128GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 140MB/s (SDSDUNB-128G-GN6IN) for the cheapest price?
The cheapest price for the SanDisk 128GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 140MB/s (SDSDUNB-128G-GN6IN) is $32.98 at Newegg, which works out to $0.2577/GB.