SanDisk
256GB Ultra Dual Drive - USB-C, USB 3.1 - SDDDC2-256G-G46
*Price sourced from Amazon.com. Last updated 2026-06-06. Price and availability subject to change.
Bottom line: The 256GB Ultra Dual Drive - USB-C, USB 3.1 - SDDDC2-256G-G46 is a solid pick with broad community endorsement in the external storage category, priced around $64.99, rated 4.5★ across 119,613 verified Amazon reviews. A solid choice — worth comparing against one or two close alternatives first.
Easily free up space on your smartphone or quickly transfer files between devices at USB 3.1 high speeds of up to 150MB/s(1). With a reversible USB Type-C connector and a traditional USB connector, the SanDisk Ultra Dual Drive USB Type-C lets you quickly and easily transfer files between smartphones, tablets and computers. Plus the SanDisk Memory Zone app for Android (available on Google Play)(3) helps you manage your device’s memory and your content. The SanDisk Ultra Dual Drive USB Type-C is the perfect liaison between your new USB Type-C device and your devices with traditional USB ports…
SpecPicks Verdict
SpecPicks classifies SANDISK 256GB Ultra Dual Drive - USB-C, USB 3.1 - SDDDC2-256G-G46 as a solid pick with broad community endorsement in the external storage category, based on 119,613 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. SanDisk's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for external storage of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Highly rated — 4.5★ average across customer reviews
- ✓ Large, well-vetted feedback pool (119,613 reviews)
- ✓ The flash drive for USB Type C devices
- ✓ Backed by SanDisk's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- The flash drive for USB Type C devices
- Easily transfer files between smartphones, tablets and computers
- Free up space on your Android smartphone (mobile device requires USB Type C port and on the go (OTG) support)
- Retractable design with a reversible USB Type C connector and a traditional USB connector
- High speed USB 3.1 performance of up to 150MB/s read speeds (USB Type C port with USB 3.1, Gen. 1/USB 3.0 support required; Based on internal testing; performance may be lower depending upon host device)
Full Specifications
| UPC | 619659154844 |
|---|---|
| ASIN | B06XC1WGQR |
| Brand | Sandisk |
| Color | Black, Silver |
| Model Name | SDDDC2- |
| Read Speed | 150 Megabytes Per Second |
| Unit Count | 1.0 Count |
| Item Weight | 9.1 Grams |
| Write Speed | 75 Megabytes Per Second |
| Manufacturer | Sandisk Technologies, Inc. |
| Model Number | 164113 |
| Special Feature | Dual USB Connector |
| Customer Reviews | 4.54.5 out of 5 stars(119,297)4.5 out of 5 stars |
| Best Sellers Rank | #25 in USB Flash Drives |
Ready to buy?
SANDISK 256GB Ultra Dual Drive - USB-C, USB 3.1 - SDDDC2-256G-G46 is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-06-06. Price and availability subject to change.
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