The SANDISK 128GB Ultra SDXC UHS-I Memory Card - 120MB/s, C10, U1, Full HD, SD Card - SDSDUN4-128G-GN6IN [Older Version] costs $0.1797/GB while the Silicon Power 128GB Micro SD Card U3 SDXC Up to 100MB/s High Speed Memory Card for Cams, DJI Pocket and Drones costs $0.2327/GB. SANDISK 128GB Ultra SDXC UHS-I Memory Card - 120MB/s, C10, U1, Full HD, SD Card - SDSDUN4-128G-GN6IN [Older Version] offers 23% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SANDISK 128GB Ultra SDXC UHS-I Memory Card - 120MB/s, C10, U1, Full HD, SD Card - SDSDUN4-128G-GN6IN [Older Version] vs Silicon Power 128GB Micro SD Card U3 SDXC Up to 100MB/s High Speed Memory Card for Cams, DJI Pocket and Drones — Which Is Better Value?
Specification Comparison
| Spec | SANDISK 128GB Ultra SDXC UHS-I Memory Card - 120MB/s, C10, U1, Full HD, SD Card - SDSDUN4-128G-GN6IN [Older Version] | Silicon Power 128GB Micro SD Card U3 SDXC Up to 100MB/s High Speed Memory Card for Cams, DJI Pocket and Drones |
|---|---|---|
| Brand | SanDisk | SP Silicon Power |
| Capacity | 128 GB | 128 GB |
| $/GB | $0.1797 | $0.2327 |
| Price | $23.00 | $29.79 |
| Retailer | Amazon | Amazon |
| Category | SD Cards | SD Cards |
| Subcategory | sd | micro-sd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the SANDISK 128GB Ultra SDXC UHS-I Memory Card - 120MB/s, C10, U1, Full HD, SD Card - SDSDUN4-128G-GN6IN [Older Version] offers better value at $0.1797//GB compared to the Silicon Power 128GB Micro SD Card U3 SDXC Up to 100MB/s High Speed Memory Card for Cams, DJI Pocket and Drones at $0.2327//GB — that's roughly 23% less per gigabyte.
The best deal for the SANDISK 128GB Ultra SDXC UHS-I Memory Card - 120MB/s, C10, U1, Full HD, SD Card - SDSDUN4-128G-GN6IN [Older Version] is $23.00 at Amazon, while the Silicon Power 128GB Micro SD Card U3 SDXC Up to 100MB/s High Speed Memory Card for Cams, DJI Pocket and Drones starts at $29.79 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 Ultra SDXC UHS-I Memory Card - 120MB/s, C10, U1, Full HD, SD Card - SDSDUN4-128G-GN6IN [Older Version] and Silicon Power 128GB Micro SD Card U3 SDXC Up to 100MB/s High Speed Memory Card for Cams, DJI Pocket and Drones product page for detailed specifications and price history.
Frequently Asked Questions
Is SANDISK 128GB Ultra SDXC UHS-I Memory Card - 120MB/s, C10, U1, Full HD, SD Card - SDSDUN4-128G-GN6IN [Older Version] or Silicon Power 128GB Micro SD Card U3 SDXC Up to 100MB/s High Speed Memory Card for Cams, DJI Pocket and Drones a better deal?
As of May 2026, SANDISK 128GB Ultra SDXC UHS-I Memory Card - 120MB/s, C10, U1, Full HD, SD Card - SDSDUN4-128G-GN6IN [Older Version] offers better value at $0.1797//GB compared to Silicon Power 128GB Micro SD Card U3 SDXC Up to 100MB/s High Speed Memory Card for Cams, DJI Pocket and Drones at $0.2327//GB. That is approximately 23% better value per gigabyte.
What is the price per GB of SANDISK 128GB Ultra SDXC UHS-I Memory Card - 120MB/s, C10, U1, Full HD, SD Card - SDSDUN4-128G-GN6IN [Older Version]?
The SANDISK 128GB Ultra SDXC UHS-I Memory Card - 120MB/s, C10, U1, Full HD, SD Card - SDSDUN4-128G-GN6IN [Older Version] is currently priced at $0.1797/GB ($23.00 for 128 GB) at Amazon.
Where can I buy Silicon Power 128GB Micro SD Card U3 SDXC Up to 100MB/s High Speed Memory Card for Cams, DJI Pocket and Drones for the cheapest price?
The cheapest price for the Silicon Power 128GB Micro SD Card U3 SDXC Up to 100MB/s High Speed Memory Card for Cams, DJI Pocket and Drones is $29.79 at Amazon, which works out to $0.2327/GB.