The SANDISK 64GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-064G-GN6IN costs $0.3495/GB while the ADATA 128GB Premier microSDXC UHS-I / Class 10 V10 A1 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX128GUICL10A1-RA1) costs $0.1954/GB. ADATA 128GB Premier microSDXC UHS-I / Class 10 V10 A1 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX128GUICL10A1-RA1) offers 44% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SANDISK 64GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-064G-GN6IN vs ADATA 128GB Premier microSDXC UHS-I / Class 10 V10 A1 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX128GUICL10A1-RA1) — Which Is Better Value?
Specification Comparison
| Spec | SANDISK 64GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-064G-GN6IN | ADATA 128GB Premier microSDXC UHS-I / Class 10 V10 A1 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX128GUICL10A1-RA1) |
|---|---|---|
| Brand | SanDisk | ADATA |
| Capacity | 64 GB | 128GB |
| $/GB | $0.3495 | $0.1954 |
| Price | $22.37 | $25.01 |
| Retailer | Amazon | Newegg |
| Category | SD Cards | SD Cards |
| Subcategory | sd | micro-sd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the ADATA 128GB Premier microSDXC UHS-I / Class 10 V10 A1 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX128GUICL10A1-RA1) offers better value at $0.1954//GB compared to the SANDISK 64GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-064G-GN6IN at $0.3495//GB — that's roughly 44% less per gigabyte.
The best deal for the ADATA 128GB Premier microSDXC UHS-I / Class 10 V10 A1 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX128GUICL10A1-RA1) is $25.01 at Newegg, while the SANDISK 64GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-064G-GN6IN starts at $22.37 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 64GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-064G-GN6IN and ADATA 128GB Premier microSDXC UHS-I / Class 10 V10 A1 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX128GUICL10A1-RA1) product page for detailed specifications and price history.
Frequently Asked Questions
Is SANDISK 64GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-064G-GN6IN or ADATA 128GB Premier microSDXC UHS-I / Class 10 V10 A1 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX128GUICL10A1-RA1) a better deal?
As of July 2026, ADATA 128GB Premier microSDXC UHS-I / Class 10 V10 A1 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX128GUICL10A1-RA1) offers better value at $0.1954//GB compared to SANDISK 64GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-064G-GN6IN at $0.3495//GB. That is approximately 44% better value per gigabyte.
What is the price per GB of SANDISK 64GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-064G-GN6IN?
The SANDISK 64GB Ultra SDXC UHS-I Memory Card - Up to 140MB/s, C10, U1, Full HD, SD Card - SDSDUNB-064G-GN6IN is currently priced at $0.3495/GB ($22.37 for 64 GB) at Amazon.
Where can I buy ADATA 128GB Premier microSDXC UHS-I / Class 10 V10 A1 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX128GUICL10A1-RA1) for the cheapest price?
The cheapest price for the ADATA 128GB Premier microSDXC UHS-I / Class 10 V10 A1 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX128GUICL10A1-RA1) is $25.01 at Newegg, which works out to $0.1954/GB.