SanDisk Ultra 128 GB: price per GB and price history
Part number SDSDUNR-128G-GN6INASIN B07YFGG1SDBrand SANDISKSD
The SanDisk Ultra 128 GB (SDSDUNR-128G-GN6IN) is an SD card by SanDisk. On amazon.com it costs $31.51 new, which is $0.246 per GB (as of Oct 28, 2026, 12:01 AM UTC). The TB index for SD cards is $0.345 per GB.
Price per GB, New
Total $31.51 for 128 GB, cheapest new offer, excl. shipping
- 1 day
- ▲ 2.4 %
- 7 days
- ▼ 7.4 %
- 30 days
- ▼ 2.2 %
- 90-day low
- 0.240
90 days
How much does the SanDisk Ultra 128 GB cost per GB?
The SanDisk Ultra 128 GB costs $0.246 per GB new on amazon.com. That is 28.7% below the TB index for SD cards ($0.345 per GB). Among 28 new SD cards it ranks number 2 by price per GB.
| Condition | Price | Price per GB | As of | Offer |
|---|---|---|---|---|
| New | $31.51Oct 28, 2026, 12:01 AM UTC | $0.246 | Oct 28, 2026, 12:01 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 Ultra 128 GB changed?
Over the last 30 days the price fell by 2.2%, from $32.22 to $31.51. The 90-day low is $0.240 per GB ($30.78). It counts the lowest price that held for at least 2 days.
| Period | Change in price per GB |
|---|---|
| 7 days | ▼ 7.4 % |
| 14 days | ▼ 8.7 % |
| 30 days | ▼ 2.2 % |
| 90 days | ▼ 3.5 % |
Price archive since Jul 30, 2026, updated daily.
What are the specs of the SanDisk Ultra 128 GB?
According to the listing, the SanDisk Ultra 128 GB has 128 GB of capacity, form factor SD.
| Spec | Value |
|---|---|
| Brand | SanDisk |
| Part number | SDSDUNR-128G-GN6IN |
| ASIN | B07YFGG1SD |
| Capacity | 128 GB |
| Form factor | SD |
| Technology | Flash |
What are the alternatives to the SanDisk Ultra 128 GB?
No other capacity in the same series is cheaper per GB.
| Product | Capacity | Price per GB |
|---|---|---|
| SanDisk Ultra 16 GB | 16 GB | $1.15 |
| SanDisk Ultra 32 GB | 32 GB | $0.622 |
| SanDisk Ultra 64 GB | 64 GB | $0.354 |
Frequently asked questions about the SanDisk Ultra 128 GB
Is the SanDisk Ultra 128 GB cheap right now?
The price per GB is 2.4% above the 90-day low of $0.240 and 28.7% below the TB index for its product type (as of Oct 28, 2026, 12:01 AM UTC).
Related guides: microSD Express, CFexpress Type B, 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 SD.