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 KingSpec MIXAGE 128GB microSDXC Memory Cards, UHS-I, V30, A1, 4K UHD Micro SD Card, Speed Up to 175MB/s, 3D NAND Flash MicroSD 128GB 1 Pack costs $0.2109/GB. KingSpec MIXAGE 128GB microSDXC Memory Cards, UHS-I, V30, A1, 4K UHD Micro SD Card, Speed Up to 175MB/s, 3D NAND Flash MicroSD 128GB 1 Pack offers 40% 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 KingSpec MIXAGE 128GB microSDXC Memory Cards, UHS-I, V30, A1, 4K UHD Micro SD Card, Speed Up to 175MB/s, 3D NAND Flash MicroSD 128GB 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 | KingSpec MIXAGE 128GB microSDXC Memory Cards, UHS-I, V30, A1, 4K UHD Micro SD Card, Speed Up to 175MB/s, 3D NAND Flash MicroSD 128GB 1 Pack |
|---|---|---|
| Brand | SanDisk | KingSpec |
| Capacity | 128 GB | 128GB |
| $/GB | $0.3515 | $0.2109 |
| Price | $44.99 | $26.99 |
| Retailer | Amazon | Newegg |
| 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
KingSpec MIXAGE 128GB microSDXC Memory Cards, UHS-I, V30, A1, 4K UHD Micro SD Card, Speed Up to 175MB/s, 3D NAND Flash MicroSD 128GB 1 Pack
Which Should You Buy?
Based on current pricing data, the KingSpec MIXAGE 128GB microSDXC Memory Cards, UHS-I, V30, A1, 4K UHD Micro SD Card, Speed Up to 175MB/s, 3D NAND Flash MicroSD 128GB 1 Pack offers better value at $0.2109//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 40% less per gigabyte.
The best deal for the KingSpec MIXAGE 128GB microSDXC Memory Cards, UHS-I, V30, A1, 4K UHD Micro SD Card, Speed Up to 175MB/s, 3D NAND Flash MicroSD 128GB 1 Pack is $26.99 at Newegg, 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 KingSpec MIXAGE 128GB microSDXC Memory Cards, UHS-I, V30, A1, 4K UHD Micro SD Card, Speed Up to 175MB/s, 3D NAND Flash MicroSD 128GB 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 KingSpec MIXAGE 128GB microSDXC Memory Cards, UHS-I, V30, A1, 4K UHD Micro SD Card, Speed Up to 175MB/s, 3D NAND Flash MicroSD 128GB 1 Pack a better deal?
As of July 2026, KingSpec MIXAGE 128GB microSDXC Memory Cards, UHS-I, V30, A1, 4K UHD Micro SD Card, Speed Up to 175MB/s, 3D NAND Flash MicroSD 128GB 1 Pack offers better value at $0.2109//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 40% 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 KingSpec MIXAGE 128GB microSDXC Memory Cards, UHS-I, V30, A1, 4K UHD Micro SD Card, Speed Up to 175MB/s, 3D NAND Flash MicroSD 128GB 1 Pack for the cheapest price?
The cheapest price for the KingSpec MIXAGE 128GB microSDXC Memory Cards, UHS-I, V30, A1, 4K UHD Micro SD Card, Speed Up to 175MB/s, 3D NAND Flash MicroSD 128GB 1 Pack is $26.99 at Newegg, which works out to $0.2109/GB.