Overview

  • USB 3.1 (Gen 1) interface
    Ensures a fast connection. Backward-compatible with USB 3.0 and USB 2.0.
  • Dual-purpose swivel design
    Protects the Type-C and Type-A connectors when not in use and features a keyring hole to take your drive on the go.
  • 256GB storage capacity
    Offers ample space for photos, videos and more.
  • Automatic backup*
    Automatically back up your recent photos, videos, music, documents, and contacts with the SanDisk Memory Zone app.
  • Up to 400MB/sec. data transfer speed
    Allows you to quickly move your files to your computer and enables quick and efficient file backup.
  • * Download and installation of SanDisk Memory Zone app required. See www.sandisk.com/memoryzone.
  • iPhone 15/Pro Compatibility
    Works with iPhone 15/Pro via Apple Files App, does not support direct video recording

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Specifications

Capacity & configuration

Storage Capacity
256GB, 128GB, 64GB, 512GB, 1000GB
Connector Type(s)
USB-A

Dimensions & weight

Product Name
Ultra Dual Drive Go 256GB USB Type-A/USB Type-C Flash Drive
Product Height
0.34 inches
Product Width
0.48 inches
Product Depth
1.75 inches
Product Weight
0.48 ounces

Features

Brand
SANDISK
Color
Black
USB Generation
USB 3.1
Wireless Capability
No
Maximum Read Speed
400 megabytes per second
Password Protection
No
Retractable
No
Lanyard Attachment
Yes
UPC
619659177621, 619659177195, 619659177164, 619659180133, 619659198831

Power & warranty

Model Number
SDDDC3-256G-A46
Warranty - Parts
5 years
Warranty - Labor
5 Years

Warranty & protection

Included manufacturer warranty

See manufacturer documentation.

Register your product with the manufacturer within 30 days of delivery.

Warranty service

Manufacturer warranty claims are handled by the manufacturer. We are happy to help you find the right contact: (888) 419-6820.

Customer reviews

Write a review
PaulAOct 26, 2026 · Verified purchase ★★★★★

Great for backing up pictures. - Great for backing up pictures and transferring files.

ZcleOct 26, 2026 · Verified purchase ★★★★★

Sandisk duel dtive - Used SAN disk products for many years… always my go to product for quality, reliability, stg!

HanzoOct 24, 2026 · Verified purchase ★★★★★

FAST, DURABLE, RELIABLE - ★★★★★ Fast and convenient! I use this 256 GB SanDisk flash drive for my lecture presentations and storing files. File transfers are very fast, which is especially helpful when I’m getting materials ready for a lecture. There’s plenty of space for my presentations, documents, and other files. A great choice for keeping everything organized and easy to bring with me!

ViolaBOct 24, 2026 · Verified purchase ★★★★★

Type C flash drive - Easy to use, with very easy to understand directions

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Questions & answers

Ask a question

Email [email protected] or call (888) 419-6820 during business hours.

Free U.S. shippingOn every order. Leaves our store in 1–2 business days, arrives in 3–5 business days.
Free returns for 30 daysNo restocking fee. We email you a prepaid return label.
We can install it tooOptional in-home delivery, installation and haul-away on large appliances.
Talk to our team(888) 419-6820 · Mon–Sat