The Samsung - P9 Express 512GB microSDXC Memory Card costs $0.6250/GB while the [Older Version] SanDisk 512GB Ultra microSDXC UHS-I Memory Card with Adapter - 120MB/s, C10, U1, Full HD, A1, Micro SD Card - SDSQUA4-512G-GN6MA costs $0.1865/GB. [Older Version] SanDisk 512GB Ultra microSDXC UHS-I Memory Card with Adapter - 120MB/s, C10, U1, Full HD, A1, Micro SD Card - SDSQUA4-512G-GN6MA offers 70% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Samsung - P9 Express 512GB microSDXC Memory Card vs [Older Version] SanDisk 512GB Ultra microSDXC UHS-I Memory Card with Adapter - 120MB/s, C10, U1, Full HD, A1, Micro SD Card - SDSQUA4-512G-GN6MA — Which Is Better Value?
Samsung - P9 Express 512GB microSDXC Memory Card
Specification Comparison
| Spec | Samsung - P9 Express 512GB microSDXC Memory Card | [Older Version] SanDisk 512GB Ultra microSDXC UHS-I Memory Card with Adapter - 120MB/s, C10, U1, Full HD, A1, Micro SD Card - SDSQUA4-512G-GN6MA |
|---|---|---|
| Brand | Samsung | SanDisk |
| Capacity | 512 GB | 512 GB |
| $/GB | $0.6250 | $0.1865 |
| Price | $319.99 | $95.50 |
| Retailer | Best Buy | Amazon |
| Category | SD Cards | SD Cards |
| Subcategory | micro-sd | micro-sd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the [Older Version] SanDisk 512GB Ultra microSDXC UHS-I Memory Card with Adapter - 120MB/s, C10, U1, Full HD, A1, Micro SD Card - SDSQUA4-512G-GN6MA offers better value at $0.1865//GB compared to the Samsung - P9 Express 512GB microSDXC Memory Card at $0.6250//GB — that's roughly 70% less per gigabyte.
The best deal for the [Older Version] SanDisk 512GB Ultra microSDXC UHS-I Memory Card with Adapter - 120MB/s, C10, U1, Full HD, A1, Micro SD Card - SDSQUA4-512G-GN6MA is $95.50 at Amazon, while the Samsung - P9 Express 512GB microSDXC Memory Card starts at $319.99 at Best Buy.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Samsung - P9 Express 512GB microSDXC Memory Card and [Older Version] SanDisk 512GB Ultra microSDXC UHS-I Memory Card with Adapter - 120MB/s, C10, U1, Full HD, A1, Micro SD Card - SDSQUA4-512G-GN6MA product page for detailed specifications and price history.
Frequently Asked Questions
Is Samsung - P9 Express 512GB microSDXC Memory Card or [Older Version] SanDisk 512GB Ultra microSDXC UHS-I Memory Card with Adapter - 120MB/s, C10, U1, Full HD, A1, Micro SD Card - SDSQUA4-512G-GN6MA a better deal?
As of June 2026, [Older Version] SanDisk 512GB Ultra microSDXC UHS-I Memory Card with Adapter - 120MB/s, C10, U1, Full HD, A1, Micro SD Card - SDSQUA4-512G-GN6MA offers better value at $0.1865//GB compared to Samsung - P9 Express 512GB microSDXC Memory Card at $0.6250//GB. That is approximately 70% better value per gigabyte.
What is the price per GB of Samsung - P9 Express 512GB microSDXC Memory Card?
The Samsung - P9 Express 512GB microSDXC Memory Card is currently priced at $0.6250/GB ($319.99 for 512 GB) at Best Buy.
Where can I buy [Older Version] SanDisk 512GB Ultra microSDXC UHS-I Memory Card with Adapter - 120MB/s, C10, U1, Full HD, A1, Micro SD Card - SDSQUA4-512G-GN6MA for the cheapest price?
The cheapest price for the [Older Version] SanDisk 512GB Ultra microSDXC UHS-I Memory Card with Adapter - 120MB/s, C10, U1, Full HD, A1, Micro SD Card - SDSQUA4-512G-GN6MA is $95.50 at Amazon, which works out to $0.1865/GB.