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 while the Lexar Gold Series Professional 640GB CFexpress 4.0 Type-A Memory Card costs $0.8125/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 77% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
[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 vs Lexar Gold Series Professional 640GB CFexpress 4.0 Type-A Memory Card — Which Is Better Value?
Specification Comparison
| Spec | [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 | Lexar Gold Series Professional 640GB CFexpress 4.0 Type-A Memory Card |
|---|---|---|
| Brand | SanDisk | Lexar |
| Capacity | 512 GB | 640GB |
| $/GB | $0.1865 | $0.8125 |
| Price | $95.50 | $519.99 |
| Retailer | Amazon | Newegg |
| Category | SD Cards | SD Cards |
| Subcategory | micro-sd | 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 Lexar Gold Series Professional 640GB CFexpress 4.0 Type-A Memory Card at $0.8125//GB — that's roughly 77% 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 Lexar Gold Series Professional 640GB CFexpress 4.0 Type-A Memory Card starts at $519.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each [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 and Lexar Gold Series Professional 640GB CFexpress 4.0 Type-A Memory Card product page for detailed specifications and price history.
Frequently Asked Questions
Is [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 or Lexar Gold Series Professional 640GB CFexpress 4.0 Type-A Memory Card 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 Lexar Gold Series Professional 640GB CFexpress 4.0 Type-A Memory Card at $0.8125//GB. That is approximately 77% better value per gigabyte.
What is the price per GB of [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?
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 currently priced at $0.1865/GB ($95.50 for 512 GB) at Amazon.
Where can I buy Lexar Gold Series Professional 640GB CFexpress 4.0 Type-A Memory Card for the cheapest price?
The cheapest price for the Lexar Gold Series Professional 640GB CFexpress 4.0 Type-A Memory Card is $519.99 at Newegg, which works out to $0.8125/GB.