SanDisk Ultra Dual Go 512 GB: price per GB and price history
Part number SDDDC3-512G-G46ASIN B0859NR7KYBrand SANDISKUSB flash drive
The SanDisk Ultra Dual Go 512 GB (SDDDC3-512G-G46) is a USB flash drive by SanDisk. On amazon.com it costs $79.99 new, which is $0.156 per GB (as of Oct 28, 2026, 1:05 AM UTC). The TB index for USB flash drives is $0.109 per GB.
Price per GB, New
Total $79.99 for 512 GB, cheapest new offer, excl. shipping
- 1 day
- ▲ 14.7 %
- 7 days
- ▲ 1.3 %
- 30 days
- ▲ 3.9 %
- 90-day low
- 0.136
90 days
Price per GB, Used
Total $59.99 for 512 GB, cheapest used offer, excl. shipping
- 1 day
- 0.0 %
- 7 days
- 0.0 %
- 30 days
- ▼ 7.7 %
- 90-day low
- 0.117
90 days
How much does the SanDisk Ultra Dual Go 512 GB cost per GB?
The SanDisk Ultra Dual Go 512 GB costs $0.156 per GB new on amazon.com. That is 42.9% above the TB index for USB flash drives ($0.109 per GB). Among 44 new USB flash drives it ranks number 13 by price per GB.
| Condition | Price | Price per GB | As of | Offer |
|---|---|---|---|---|
| Used | $59.99Oct 28, 2026, 1:05 AM UTC | $0.117 | Oct 28, 2026, 1:05 AM UTC | Amazon* |
| New | $79.99Oct 28, 2026, 1:05 AM UTC | $0.156 | Oct 28, 2026, 1:05 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 Dual Go 512 GB changed?
Over the last 30 days the price rose by 3.9%, from $77.00 to $79.99. The 90-day low is $0.136 per GB ($69.75). It counts the lowest price that held for at least 2 days.
| Period | Change in price per GB |
|---|---|
| 7 days | ▲ 1.3 % |
| 14 days | 0.0 % |
| 30 days | ▲ 3.9 % |
| 90 days | ▲ 6.3 % |
Price archive since Jul 30, 2026, updated daily.
What are the specs of the SanDisk Ultra Dual Go 512 GB?
According to the listing, the SanDisk Ultra Dual Go 512 GB has 512 GB of capacity, form factor USB flash drive.
| Spec | Value |
|---|---|
| Brand | SanDisk |
| Part number | SDDDC3-512G-G46 |
| ASIN | B0859NR7KY |
| Capacity | 512 GB |
| Form factor | USB flash drive |
| Technology | Flash |
What are the alternatives to the SanDisk Ultra Dual Go 512 GB?
No other capacity in the same series is cheaper per GB. At 512 GB, the Kootion 512 GB (KOOTION-512GB-USBC) costs $0.103 per GB.
| Product | Capacity | Price per GB |
|---|---|---|
| SanDisk Ultra Dual Go 64 GB | 64 GB | $0.287 |
| Product | Capacity | Price per GB |
|---|---|---|
| Kootion 512 GB | 512 GB | $0.103 |
Frequently asked questions about the SanDisk Ultra Dual Go 512 GB
Is the SanDisk Ultra Dual Go 512 GB cheap right now?
The price per GB is 14.7% above the 90-day low of $0.136 and 42.9% above the TB index for its product type (as of Oct 28, 2026, 1:05 AM UTC).
Related guides: USB 3.2 Gen 2 explained, Best USB flash drive, Format USB to FAT32, exFAT vs NTFS
Prices: amazon.com, timestamp per row. Specs: manufacturer data sheet. Calculation: How the TB index works. All offers USB flash drive.