The SanDisk SDSDUNC-128G CYU 128GB 9p SDXC r80MB/s 533x Class 10 UHS-1 U1 SanDisk Ultra Secure Digital Extended Capacity Card Bulk costs $0.3070/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 31% better value per gigabyte as of September 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SanDisk SDSDUNC-128G CYU 128GB 9p SDXC r80MB/s 533x Class 10 UHS-1 U1 SanDisk Ultra Secure Digital Extended Capacity Card Bulk 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?
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Specification Comparison
| Spec | SanDisk SDSDUNC-128G CYU 128GB 9p SDXC r80MB/s 533x Class 10 UHS-1 U1 SanDisk Ultra Secure Digital Extended Capacity Card Bulk | 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 | 128GB | 128GB |
| $/GB | $0.3070 | $0.2109 |
| Price | $39.30 | $26.99 |
| Retailer | Newegg | Newegg |
| Category | SD Cards | SD Cards |
| Subcategory | sd | micro-sd |
Price Across Retailers
SanDisk SDSDUNC-128G CYU 128GB 9p SDXC r80MB/s 533x Class 10 UHS-1 U1 SanDisk Ultra Secure Digital Extended Capacity Card Bulk
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 SDSDUNC-128G CYU 128GB 9p SDXC r80MB/s 533x Class 10 UHS-1 U1 SanDisk Ultra Secure Digital Extended Capacity Card Bulk at $0.3070//GB — that's roughly 31% 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 SDSDUNC-128G CYU 128GB 9p SDXC r80MB/s 533x Class 10 UHS-1 U1 SanDisk Ultra Secure Digital Extended Capacity Card Bulk starts at $39.30 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each SanDisk SDSDUNC-128G CYU 128GB 9p SDXC r80MB/s 533x Class 10 UHS-1 U1 SanDisk Ultra Secure Digital Extended Capacity Card Bulk 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 SDSDUNC-128G CYU 128GB 9p SDXC r80MB/s 533x Class 10 UHS-1 U1 SanDisk Ultra Secure Digital Extended Capacity Card Bulk 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 September 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 SDSDUNC-128G CYU 128GB 9p SDXC r80MB/s 533x Class 10 UHS-1 U1 SanDisk Ultra Secure Digital Extended Capacity Card Bulk at $0.3070//GB. That is approximately 31% better value per gigabyte.
What is the price per GB of SanDisk SDSDUNC-128G CYU 128GB 9p SDXC r80MB/s 533x Class 10 UHS-1 U1 SanDisk Ultra Secure Digital Extended Capacity Card Bulk?
The SanDisk SDSDUNC-128G CYU 128GB 9p SDXC r80MB/s 533x Class 10 UHS-1 U1 SanDisk Ultra Secure Digital Extended Capacity Card Bulk is currently priced at $0.3070/GB ($39.30 for 128GB) at Newegg.
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.