Plug in and stay

The compact way to add big space. Plug in the FIT Plus to get secondary, upgraded storage for your devices, then leave it in to easily carry more files wherever you go. It stays out of your way and is so quick it keeps files at the ready, all with USB 3.1 speeds and trusted reliability.


Store more. Leave it in.

Extra storage that's always with you. The FIT Plus gives portability in a minimal profile, and is designed to seamlessly stay in your device, always ready for use. Keep it in laptops, smart TVs, and cars with reduced risk of accidental bumps or removal.


Quick. And ready.

Save time, add space. Quick and convenient read speeds up to 400 MB/s¹ with the latest USB 3.1 standard ensure transferring data never slows you down. Send a 3GB 4K UHD video file from your FIT Plus to your PC in just 10 seconds². Keep more movies, games and music within reach.

¹Up to 400 MB/s for 256/128GB models, up to 300 MB/s for 64GB models, up to 200 MB/s for 32GB models.
²Minimum 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).
*Actual speed may vary by host device and/or usage conditions.


Tough & Trusted

Files stay secure, anywhere you go. Samsung’s leadership in flash memory makes the FIT 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 in seawater.
²sUpupto 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
    FIT Plus
  • Capacity
    32GB, 64GB, 128GB, 256GB
  • Sequential Read Speed
    Max. 300 MB/s

More specs

Model Code (Capacity)1)

  • MUF-32AB (32GB)

  • MUF-64AB (64GB)

  • MUF-128AB (128GB)

  • MUF-256AB (256GB)

General Feature


    USB 3.1 Gen 1

    (backward compatible withe USB 3.0/2.0)


    23.6 x 18.8 x 7.3 mm


    approx. 3.1 g


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

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


    PC, Notebook


    USB Standard Type-A


    USB 3.1 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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