Two flash drives, in one.

Double up on convenience. The DUO Plus is a Type-C drive with a super-useful Type-A adapter. Eliminate worries as the intuitive integrated Type-A adapter works with your older devices. Now you can flexibly move data and free up space with superior speed and performance.


Either way is the right way.

There’s no wrong way to plug it in. Sporting the industry's latest USB Type-C technology, the DUO Plus plugs in right-side up every time—no flipping, no fumbling, no fuss. Transfer large files with ease to your Type-C smartphones, tablet PCs and laptops.


Double Your Connectivity.

One flash drive for many devices. With both USB Type-C and Type-A connectivity, you can free up device space and backup quickly and easily. Now you can enjoy even more movies, music and games.


Fast. And flexible.

The DUO Plus transfers large files in mere seconds¹ with blazing USB 3.1 read speeds up to 400 MB/s². Backward compatible with USB 3.0/2.0, this drive gives you astonishing performance across so many different devices and uses.

¹Minimum of 8 secs for 256/128GB models, minimum of 10 secs for 64GB models, minimum of 14 secs for 32GB models (tested with combination of Asus STRIX Z370-G, Intel Core i7-8700K@3.70GHz, 8GB and Windows 10 Professional 64bit).
²Up to 400 MB/s for 256/128GB models, up to 300 MB/s for 64GB models, up to 200 MB/s for 32GB models.


Tough & Trusted.

Files stay secure, anywhere you go. Samsung’s leadership in flash memory makes the DUO Plus a trustworthy drive to store your valuable data. It works through it all with a waterproof ¹, shock-proof ², temperature-proof ³, magnet-proof , and X-ray-proof body, all backed by a 5-year limited warranty

¹Up to 72 hrs at 1 m depth in seawater.
²Up to 1,500 gravitational acceleration.
³Withstands -25°C to 85°C operating, -40°C to 85°C non-operating
Up to 15,000 gauss (equal to MRI).
Up to 100mGy (equal to airport X-ray machines).
Samsung is not liable for any damages and/or loss of data or expenses incurred due to UFD data recovery. For specific details on warranty, please visit:



  • Product Type
    DUO Plus
  • Capacity
    32GB, 64GB, 128GB, 256GB
  • Sequential Read Speed
    Max. 300 MB/s

More specs

Model Code (Capacity)1)

  • MUF-32DB (32GB)

  • MUF-64DB (64GB)

  • MUF-128DB (128GB)

  • MUF-256DB (256GB)

General Feature


    USB 3.1 Gen 1

    (backward compatible withe USB 3.0/2.0)


    57.9 x 18.3 x 7.3 mm


    approx. 7.7 g


    128GB, 256GB : Up to 300 MB/s

    32GB, 64GB : Up to 200 MB/s


    PC, Notebook, Smartphone(Android), Tablet


    USB Standard Type-A


    USB Type-C™ Flash Drive


    5-year Limited


    Shock4), Temperature5), Water6),

    Magnet7), X-Ray8)

  • * Products are not shown actual size. Actual product colors may vary slightly from how they appear.
  • 1) 1GB = 1,000,000,000 bytes, actual usable capacity may be less (due to formatting, operating system, applications or otherwise).
  • 2) Up to 300 MB/s for 256/128GB models; up to 200 MB/s for 64/32GB models.
  • 3) Samsung is not liable for any damages and /or loss of data or expenses incurred due to UFD data recovery. Samsung product authentication, and specific warranty details for USB flash drives are available at:
  • 4) Up to 1,500 gravitational acceleration.
  • 5)Withstands -25°C to 85°C operating, -40°C to 85°C non-operating.
  • 6)Up to 72 hrs at 1m depth in seawater.
  • 7)Up to 15,000 gauss (magnetic field strength of an MRI scan)
  • 8)Up to 50 Roentgen (radiation dose from airport x-ray scanner)

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