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SanDisk

SanDisk SDDDC4-256G-G46 256GB USB 3.2 Gen 1 Dual Drive Luxe USB flash drive

SKU CH-7T9Z-Y1Z4G MPN SDDDC4-256G-G46

All-metal 256 GB USB 3.2 Gen 1 flash drive with reversible USB-C and USB-A connectors for direct file transfer between smartphones, tablets and computers

  • Total capacity256 GB
  • USB standardUSB 3.2 Gen 1
  • USB port typesType C & Type A
  • Max read speedup to 400 MB/s
  • Product colorGray / Silver
  • Key featuresThe all-metal, 2-in-1 flash drive for your USB Type-C and Ty

USB Specification USB 3.2 Gen 1

  • All-metal dual connector works with USB-C and USB-A devices
  • 256 GB capacity frees space on smartphones for more photos
  • Up to 400 MB/s read speed moves large files quickly
  • Swivel design protects both connectors and adds a keyring hole
  • SanDisk Memory Zone app enables automatic photo backup

What this drive is and who needs it

The SanDisk Ultra Dual Drive Luxe is a 256GB USB 3.2 Gen 1 flash drive built with both a USB Type-C and a USB Type-A connector. It is made for people who move files between modern phones, tablets or Macs that only have Type-C ports and older computers that still use Type-A ports. Photographers and content creators who fill up phone storage quickly will find it useful for offloading images on the go. It is not for buyers who want more storage than 256GB or who need a drive with only a single connector type.

Build quality and daily connector use

The drive uses an all-metal casing with a swivel mechanism that covers each connector when it is not in use. This design protects the ports from dust and damage inside a bag or pocket. A keyring hole is integrated into the housing so the drive can stay attached to keys or a lanyard. The reversible Type-C plug and the traditional Type-A plug mean you can insert either side without checking orientation, which speeds up everyday transfers between mixed devices.

The specification that decides fit

The drive delivers read speeds up to 400MB/s over USB 3.2 Gen 1, which determines how quickly large photo or video libraries move to a computer. If your workflow depends on faster throughput than this interface provides, this model will not match that requirement. The 256GB capacity sets the total amount of data you can carry at once.

How it compares

Measured against everything we stock in USB Thumb Drives, at today’s prices. Recalculated every night.

Price $33.99
Typical for this category: the median of 1,099 items is $31.99.
Total capacity 256 GB
Higher than about 80% of the 746 comparable items (median 64 GB).
Price per TB $132.77 per TB
Cheaper than about 85% of the 600 comparable items (median $226.48 per TB).

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Specifications

Product
Brand nameSanDisk
Product lineUltra Dual Drive Luxe
Model nameSDDDC4-256G-G46
Total capacity256 GB
Product colorGray / Silver
Performance
Max read speedup to 400 MB/s
Ports & slots
USB standardUSB 3.2 Gen 1
USB port typesType C & Type A
Size & build
Product dimensions0.34 in × 0.48 in × 1.75 in
Product weight0.03 lb (0.01 kg)
Shipping weight0.02 kg
Package size152 × 102 × 10 mm

Other versions of this model

5 more in the same range

Questions about this item

What does the USB 3.2 Gen 1 interface cap the transfer speed at?

The USB 3.2 Gen 1 interface supports read speeds up to 400MB/s on this 256GB drive.

What physical space does the all-metal swivel body need to fit?

The drive measures 0.34" x 0.48" x 1.75" and weighs 0.03 lb, with a keyring hole for portability.

How do I switch between the Type-C and Type-A connectors, and what mistake should I avoid?

Rotate the metal swivel to expose the needed connector; do not force the swivel past its stop or you may damage the hinge.

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