SanDisk Express 512 GB: price per GB and price history
Part number SDSQXFN-512G-GN4NNASIN B0DTQ35NH6Brand SANDISKmicroSD
The SanDisk Express 512 GB (SDSQXFN-512G-GN4NN) is a microSD card by SanDisk. On amazon.com it costs $129.99 new, which is $0.254 per GB (as of Oct 28, 2026, 12:54 AM UTC). The TB index for microSD cards is $0.207 per GB.
Price per GB, New
Total $129.99 for 512 GB, cheapest new offer, excl. shipping
- 1 day
- 0.0 %
- 7 days
- 0.0 %
- 30 days
- 0.0 %
- 90-day low
- 0.249
90 days
Price per GB, Used
Total $122.19 for 512 GB, cheapest used offer, excl. shipping
- 1 day
- 0.0 %
- 7 days
- n/a
- 30 days
- 0.0 %
- 90-day low
- 0.209
90 days
How much does the SanDisk Express 512 GB cost per GB?
The SanDisk Express 512 GB costs $0.254 per GB new on amazon.com. That is 22.4% above the TB index for microSD cards ($0.207 per GB). Among 28 new microSD cards it ranks number 10 by price per GB.
| Condition | Price | Price per GB | As of | Offer |
|---|---|---|---|---|
| Used | $122.19Oct 28, 2026, 12:54 AM UTC | $0.239 | Oct 28, 2026, 12:54 AM UTC | Amazon* |
| New | $129.99Oct 28, 2026, 12:54 AM UTC | $0.254 | Oct 28, 2026, 12:54 AM UTC | Amazon* |
Prices: cheapest offer per condition from all sellers on amazon.com (Amazon and marketplace sellers), excluding shipping, timestamp per row. At the top of its product page, Amazon often shows the featured offer from another seller, which can cost more. The button therefore opens the list of all offers. The price may have changed since the timestamp. If the Amazon app opens in another country's store, prices there differ: set the app to United States or open the link in your browser.
How has the price of the SanDisk Express 512 GB changed?
Over the last 30 days the price stayed the same ($129.99). The 90-day low is $0.249 per GB ($127.49). It counts the lowest price that held for at least 2 days.
| Period | Change in price per GB |
|---|---|
| 7 days | 0.0 % |
| 14 days | 0.0 % |
| 30 days | 0.0 % |
| 90 days | 0.0 % |
Price archive since Jul 30, 2026, updated daily.
What are the specs of the SanDisk Express 512 GB?
According to the listing, the SanDisk Express 512 GB has 512 GB of capacity, form factor microSD.
| Spec | Value |
|---|---|
| Brand | SanDisk |
| Part number | SDSQXFN-512G-GN4NN |
| ASIN | B0DTQ35NH6 |
| Capacity | 512 GB |
| Form factor | microSD |
| Technology | Flash |
What are the alternatives to the SanDisk Express 512 GB?
At 512 GB, the Kootion Micro 512 GB costs $0.180 per GB.
| Product | Capacity | Price per GB |
|---|---|---|
| Kootion Micro 512 GB | 512 GB | $0.180 |
| Samsung P9 Express 512 GB | 512 GB | $0.193 |
Frequently asked questions about the SanDisk Express 512 GB
Is the SanDisk Express 512 GB cheap right now?
The price per GB is 2.0% above the 90-day low of $0.249 and 22.4% above the TB index for its product type (as of Oct 28, 2026, 12:54 AM UTC).
Related guides: microSD Express, Steam Deck SSD, Best SD card for camera, How to format an SD card
Prices: amazon.com, timestamp per row. Specs: manufacturer data sheet. Calculation: How the TB index works. All offers microSD.