The SanDisk SDSDUNR-128G-GN3IN CYU 128GB 9pin SDXC r100MB/s C10 UHS-I SanDisk Ultra SDXC Memory Card Retail costs $0.1545/GB while the Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black costs $0.1555/GB. SanDisk SDSDUNR-128G-GN3IN CYU 128GB 9pin SDXC r100MB/s C10 UHS-I SanDisk Ultra SDXC Memory Card Retail offers 1% better value per gigabyte as of March 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SanDisk SDSDUNR-128G-GN3IN CYU 128GB 9pin SDXC r100MB/s C10 UHS-I SanDisk Ultra SDXC Memory Card Retail vs Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black — Which Is Better Value?
Specification Comparison
| Spec | SanDisk SDSDUNR-128G-GN3IN CYU 128GB 9pin SDXC r100MB/s C10 UHS-I SanDisk Ultra SDXC Memory Card Retail | Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black |
|---|---|---|
| Brand | SanDisk | Amazon Basics |
| Capacity | 128GB | 128 GB |
| $/GB | $0.1545 | $0.1555 |
| Price | $19.77 | $19.91 |
| Retailer | Newegg | Amazon |
| Category | SD Cards | SD Cards |
| Subcategory | sd | micro-sd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the SanDisk SDSDUNR-128G-GN3IN CYU 128GB 9pin SDXC r100MB/s C10 UHS-I SanDisk Ultra SDXC Memory Card Retail offers better value at $0.1545//GB compared to the Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black at $0.1555//GB — that's roughly 1% less per gigabyte.
The best deal for the SanDisk SDSDUNR-128G-GN3IN CYU 128GB 9pin SDXC r100MB/s C10 UHS-I SanDisk Ultra SDXC Memory Card Retail is $19.77 at Newegg, while the Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black starts at $19.91 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 SDSDUNR-128G-GN3IN CYU 128GB 9pin SDXC r100MB/s C10 UHS-I SanDisk Ultra SDXC Memory Card Retail and Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black product page for detailed specifications and price history.
Frequently Asked Questions
Is SanDisk SDSDUNR-128G-GN3IN CYU 128GB 9pin SDXC r100MB/s C10 UHS-I SanDisk Ultra SDXC Memory Card Retail or Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black a better deal?
As of March 2026, SanDisk SDSDUNR-128G-GN3IN CYU 128GB 9pin SDXC r100MB/s C10 UHS-I SanDisk Ultra SDXC Memory Card Retail offers better value at $0.1545//GB compared to Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black at $0.1555//GB. That is approximately 1% better value per gigabyte.
What is the price per GB of SanDisk SDSDUNR-128G-GN3IN CYU 128GB 9pin SDXC r100MB/s C10 UHS-I SanDisk Ultra SDXC Memory Card Retail?
The SanDisk SDSDUNR-128G-GN3IN CYU 128GB 9pin SDXC r100MB/s C10 UHS-I SanDisk Ultra SDXC Memory Card Retail is currently priced at $0.1545/GB ($19.77 for 128GB) at Newegg.
Where can I buy Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black for the cheapest price?
The cheapest price for the Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black is $19.91 at Amazon, which works out to $0.1555/GB.