The Silicon Power 128GB Superior Micro SDXC UHS-I (U3), V30 4K A2, High Speed MicroSD Card with Adapter costs $0.2654/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 21% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Silicon Power 128GB Superior Micro SDXC UHS-I (U3), V30 4K A2, High Speed MicroSD Card with Adapter 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 | Silicon Power 128GB Superior Micro SDXC UHS-I (U3), V30 4K A2, High Speed MicroSD Card with Adapter | 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 | SP Silicon Power | KingSpec |
| Capacity | 128 GB | 128GB |
| $/GB | $0.2654 | $0.2109 |
| Price | $33.97 | $26.99 |
| 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 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 Silicon Power 128GB Superior Micro SDXC UHS-I (U3), V30 4K A2, High Speed MicroSD Card with Adapter at $0.2654//GB — that's roughly 21% 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 Silicon Power 128GB Superior Micro SDXC UHS-I (U3), V30 4K A2, High Speed MicroSD Card with Adapter starts at $33.97 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Silicon Power 128GB Superior Micro SDXC UHS-I (U3), V30 4K A2, High Speed MicroSD Card with Adapter 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 Silicon Power 128GB Superior Micro SDXC UHS-I (U3), V30 4K A2, High Speed MicroSD Card with Adapter 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 Silicon Power 128GB Superior Micro SDXC UHS-I (U3), V30 4K A2, High Speed MicroSD Card with Adapter at $0.2654//GB. That is approximately 21% better value per gigabyte.
What is the price per GB of Silicon Power 128GB Superior Micro SDXC UHS-I (U3), V30 4K A2, High Speed MicroSD Card with Adapter?
The Silicon Power 128GB Superior Micro SDXC UHS-I (U3), V30 4K A2, High Speed MicroSD Card with Adapter is currently priced at $0.2654/GB ($33.97 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.