The SANDISK 128GB Extreme SD UHS-I Card - Up to 230MB/s Read Speed and 120MB/s Write Speed, 4K UHD Video, U3, V30 - SDSDXV9-128G-GUCIN costs $0.3515/GB while the TEKNOSTONE Basic 128GB MicroSDXC Flash Memory Card with Adapter 90MB/s Read 50MB/s Write UHS-I C10 U3 V30 A1 Rated for Dashcams Security Cameras Tablets Phones Drone Console (1 Pack) costs $0.2075/GB. TEKNOSTONE Basic 128GB MicroSDXC Flash Memory Card with Adapter 90MB/s Read 50MB/s Write UHS-I C10 U3 V30 A1 Rated for Dashcams Security Cameras Tablets Phones Drone Console (1 Pack) offers 41% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SANDISK 128GB Extreme SD UHS-I Card - Up to 230MB/s Read Speed and 120MB/s Write Speed, 4K UHD Video, U3, V30 - SDSDXV9-128G-GUCIN vs TEKNOSTONE Basic 128GB MicroSDXC Flash Memory Card with Adapter 90MB/s Read 50MB/s Write UHS-I C10 U3 V30 A1 Rated for Dashcams Security Cameras Tablets Phones Drone Console (1 Pack) — Which Is Better Value?
Specification Comparison
| Spec | SANDISK 128GB Extreme SD UHS-I Card - Up to 230MB/s Read Speed and 120MB/s Write Speed, 4K UHD Video, U3, V30 - SDSDXV9-128G-GUCIN | TEKNOSTONE Basic 128GB MicroSDXC Flash Memory Card with Adapter 90MB/s Read 50MB/s Write UHS-I C10 U3 V30 A1 Rated for Dashcams Security Cameras Tablets Phones Drone Console (1 Pack) |
|---|---|---|
| Brand | SanDisk | Teknostone |
| Capacity | 128 GB | 128 GB |
| $/GB | $0.3515 | $0.2075 |
| Price | $44.99 | $26.56 |
| Retailer | Amazon | Amazon |
| Category | SD Cards | SD Cards |
| Subcategory | sd | micro-sd |
Price Across Retailers
SANDISK 128GB Extreme SD UHS-I Card - Up to 230MB/s Read Speed and 120MB/s Write Speed, 4K UHD Video, U3, V30 - SDSDXV9-128G-GUCIN
TEKNOSTONE Basic 128GB MicroSDXC Flash Memory Card with Adapter 90MB/s Read 50MB/s Write UHS-I C10 U3 V30 A1 Rated for Dashcams Security Cameras Tablets Phones Drone Console (1 Pack)
Which Should You Buy?
Based on current pricing data, the TEKNOSTONE Basic 128GB MicroSDXC Flash Memory Card with Adapter 90MB/s Read 50MB/s Write UHS-I C10 U3 V30 A1 Rated for Dashcams Security Cameras Tablets Phones Drone Console (1 Pack) offers better value at $0.2075//GB compared to the SANDISK 128GB Extreme SD UHS-I Card - Up to 230MB/s Read Speed and 120MB/s Write Speed, 4K UHD Video, U3, V30 - SDSDXV9-128G-GUCIN at $0.3515//GB — that's roughly 41% less per gigabyte.
The best deal for the TEKNOSTONE Basic 128GB MicroSDXC Flash Memory Card with Adapter 90MB/s Read 50MB/s Write UHS-I C10 U3 V30 A1 Rated for Dashcams Security Cameras Tablets Phones Drone Console (1 Pack) is $26.56 at Amazon, while the SANDISK 128GB Extreme SD UHS-I Card - Up to 230MB/s Read Speed and 120MB/s Write Speed, 4K UHD Video, U3, V30 - SDSDXV9-128G-GUCIN starts at $44.99 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 128GB Extreme SD UHS-I Card - Up to 230MB/s Read Speed and 120MB/s Write Speed, 4K UHD Video, U3, V30 - SDSDXV9-128G-GUCIN and TEKNOSTONE Basic 128GB MicroSDXC Flash Memory Card with Adapter 90MB/s Read 50MB/s Write UHS-I C10 U3 V30 A1 Rated for Dashcams Security Cameras Tablets Phones Drone Console (1 Pack) product page for detailed specifications and price history.
Frequently Asked Questions
Is SANDISK 128GB Extreme SD UHS-I Card - Up to 230MB/s Read Speed and 120MB/s Write Speed, 4K UHD Video, U3, V30 - SDSDXV9-128G-GUCIN or TEKNOSTONE Basic 128GB MicroSDXC Flash Memory Card with Adapter 90MB/s Read 50MB/s Write UHS-I C10 U3 V30 A1 Rated for Dashcams Security Cameras Tablets Phones Drone Console (1 Pack) a better deal?
As of July 2026, TEKNOSTONE Basic 128GB MicroSDXC Flash Memory Card with Adapter 90MB/s Read 50MB/s Write UHS-I C10 U3 V30 A1 Rated for Dashcams Security Cameras Tablets Phones Drone Console (1 Pack) offers better value at $0.2075//GB compared to SANDISK 128GB Extreme SD UHS-I Card - Up to 230MB/s Read Speed and 120MB/s Write Speed, 4K UHD Video, U3, V30 - SDSDXV9-128G-GUCIN at $0.3515//GB. That is approximately 41% better value per gigabyte.
What is the price per GB of SANDISK 128GB Extreme SD UHS-I Card - Up to 230MB/s Read Speed and 120MB/s Write Speed, 4K UHD Video, U3, V30 - SDSDXV9-128G-GUCIN?
The SANDISK 128GB Extreme SD UHS-I Card - Up to 230MB/s Read Speed and 120MB/s Write Speed, 4K UHD Video, U3, V30 - SDSDXV9-128G-GUCIN is currently priced at $0.3515/GB ($44.99 for 128 GB) at Amazon.
Where can I buy TEKNOSTONE Basic 128GB MicroSDXC Flash Memory Card with Adapter 90MB/s Read 50MB/s Write UHS-I C10 U3 V30 A1 Rated for Dashcams Security Cameras Tablets Phones Drone Console (1 Pack) for the cheapest price?
The cheapest price for the TEKNOSTONE Basic 128GB MicroSDXC Flash Memory Card with Adapter 90MB/s Read 50MB/s Write UHS-I C10 U3 V30 A1 Rated for Dashcams Security Cameras Tablets Phones Drone Console (1 Pack) is $26.56 at Amazon, which works out to $0.2075/GB.