The 512GB Transcend 300S microSDXC UHS-I U3 V30 A1 CL10 Memory Card with SD Adapter 95MB/sec costs $0.2143/GB while the SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter costs $0.1952/GB. SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter offers 9% better value per gigabyte as of September 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
512GB Transcend 300S microSDXC UHS-I U3 V30 A1 CL10 Memory Card with SD Adapter 95MB/sec vs SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter — Which Is Better Value?
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Specification Comparison
| Spec | 512GB Transcend 300S microSDXC UHS-I U3 V30 A1 CL10 Memory Card with SD Adapter 95MB/sec | SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter |
|---|---|---|
| Brand | Transcend | SanDisk |
| Capacity | 512GB | 512GB |
| $/GB | $0.2143 | $0.1952 |
| Price | $109.73 | $99.95 |
| Retailer | Newegg | Newegg |
| Category | SD Cards | SD Cards |
| Subcategory | micro-sd | micro-sd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter offers better value at $0.1952//GB compared to the 512GB Transcend 300S microSDXC UHS-I U3 V30 A1 CL10 Memory Card with SD Adapter 95MB/sec at $0.2143//GB — that's roughly 9% less per gigabyte.
The best deal for the SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter is $99.95 at Newegg, while the 512GB Transcend 300S microSDXC UHS-I U3 V30 A1 CL10 Memory Card with SD Adapter 95MB/sec starts at $109.73 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each 512GB Transcend 300S microSDXC UHS-I U3 V30 A1 CL10 Memory Card with SD Adapter 95MB/sec and SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter product page for detailed specifications and price history.
Frequently Asked Questions
Is 512GB Transcend 300S microSDXC UHS-I U3 V30 A1 CL10 Memory Card with SD Adapter 95MB/sec or SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter a better deal?
As of September 2026, SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter offers better value at $0.1952//GB compared to 512GB Transcend 300S microSDXC UHS-I U3 V30 A1 CL10 Memory Card with SD Adapter 95MB/sec at $0.2143//GB. That is approximately 9% better value per gigabyte.
What is the price per GB of 512GB Transcend 300S microSDXC UHS-I U3 V30 A1 CL10 Memory Card with SD Adapter 95MB/sec?
The 512GB Transcend 300S microSDXC UHS-I U3 V30 A1 CL10 Memory Card with SD Adapter 95MB/sec is currently priced at $0.2143/GB ($109.73 for 512GB) at Newegg.
Where can I buy SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter for the cheapest price?
The cheapest price for the SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter is $99.95 at Newegg, which works out to $0.1952/GB.