whats the write speed?

I'm getting the same as everyone else. 25MB/s write speed and 150MB/s read.

Can I encrypt this drive?

I used Linux and used LUKS(Linux Unified Key Setup) and yes the drive encrypted. I use is for a Persistence Live File System. MX Linux runs perfect on it.

The hole on the end looks very small. How well do these flash drives fit on your keys?

I agree with the first responder who said that the width of the thing on the end is an issue. It causes the drive to not want to move freely on my keychain, which causes it to occasionally poke my leg while in my pocket, or just feel a bit awkward. I never experienced this with my Kingston drive, which has a wide hole that is flat and symmetrical, allowing it to move freely and sit flat against my leg while in my pocket. I also had a hard time getting my key loop through the hole. My keychain is one of those that has a small steel wire loop with a locking mechanism. The end of the wire has a small grommet which was just a bit too large to fit through the hole of this Samsung drive. I had to drill it out a little bigger, which was very difficult to do, and scratched it up a bit. Now that it's one the key ring, it digs into my leg a bit, as I mentioned. Overall I am displeased enough with the design that I'm here looking for something else. I would have stuck with Kingston but it was so SLLLLLOOOOOOOOOOOWWWWWWWWWWWW.

Has anyone had to Warrenty

I have several of these drives for quite a while and have not had a problem. This is consistent with my prior experience with Samsung products (i.e., they tend to be quite reliable). However, in the past I had to deal with Samsung service for warranty issues on another product. Their warranty service was terrible. They ignored my claim for months. Every time I contacted them they said they would get back to me shortly. They never got back to me. It took many months to get service from them.

Samsung BAR Plus 256GB - 300MB/s USB 3.1 Flash Drive Champagne Silver (MUF-256BE3/AM)

Samsung BAR Plus 256GB - 300MB/s USB 3.1 Flash Drive Champagne Silver (MUF-256BE3/AM)

Product ID: 257008843

Details

Brand
Samsung
Hardware interface
USB 3.2 Gen 1
Memory storage capacity
256 GB
Special features
Water Proof
Writing speed
400 MB/s

⚡400MB/s blazing read/write speed

🔑Rugged metal casing with key ring

🛡️5-proof durability (water, shock, magnet, temp, x-ray)

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¥23769

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Description

🚀 Elevate your data game with speed and style that won’t quit!

UNMATCHED DURABILITY - Built to survive water, shocks, magnets, extreme temps, and even X-rays—your data’s fortress.
MASSIVE 256 GB STORAGE - Carry your entire digital life—photos, videos, music, and work files—in one compact powerhouse.
SLEEK SECURE DESIGN - Premium metal casing with a key ring ensures your drive stays stylishly safe and always within reach.
BLAZING FAST TRANSFERS - Experience ultra-responsive 400MB/s read/write speeds that keep up with your hustle.
SEAMLESS COMPATIBILITY - Plug and play with USB 3.1 Gen 1, fully backward compatible with USB 3.0 and 2.0 devices.

The Samsung BAR Plus 256GB USB 3.1 flash drive delivers lightning-fast 400MB/s read and write speeds in a sleek, rugged metal casing. Engineered for professionals on the move, it offers comprehensive protection against water, shock, magnets, temperature extremes, and X-rays. With broad device compatibility and a convenient key ring, it’s the ultimate blend of performance, durability, and portability backed by a 5-year warranty.

Specifications

ASIN	B07BPKKTGL
Additional Features	Water Resistant, Shockproof, Temperature Proof, Magnetic X-Ray Lightweight, Dust Proof
Best Sellers Rank	#18,144 in Computers ( See Top 100 in Computers ) #238 in USB Flash Drives
Brand	Samsung
Built-In Media	USB 3.0 Flash Drive
Color	Silver
Compatible Devices	PC, Notebook
Compatible Phone Models	Samsung Galaxy
Connectivity Technology	USB
Customer Reviews	4.7 4.7 out of 5 stars (53,500)
Flash Memory Type	USB
Global Trade Identification Number	00887276265865
Hardware Interface	USB 3.2 Gen 1
Item Dimensions D x W x H	13D x 15W x 15H millimeters
Item Type Name	Samsung MUF-256BE3/AM 256GB BAR Plus (Silver-Metal) USB 3.0 Flash Drive
Manufacturer	Samsung Electronics DAV
Memory Storage Capacity	256 GB
Model Name	BAR Plus
Model Number	MUF-256BE3/AM
Read Speed	400 Megabytes Per Second
UPC	887276265865
Unit Count	1.0 Count
Warranty Description	5 Year Warranty
Write Speed	400 MB/s

Reviews

U**I

Best product

Best product, light weight, easy to use and works really good.

22.05.2024

R**D

Excellent

Good for Fast Copying and never heat-up

2.06.2024

A**Z

You need to format it first to get the full speed

It depends for what you using it and what type of file you transferring. Also you need to check your device if it’s the last version of USB .

21.07.2022

A**U

Original Samsung

Very good product

19.06.2019

L**A

The product is according expectation

8.10.2025

A**M

good speed

I like the look of it

6.02.2021

N**F

fast data transfer

like a quick copying files and videos

3.01.2020

P**)

super USB drive

I just love it , No need to carry my laptop any more !

18.07.2019

M**D

Fast shipping and perfect items , thanks

27.03.2025

L**Y

I've owned it for many years now and never had any issues. A Great product capable of super fast transfer speeds

11.12.2025

G**I

O produto chegou rápido e bem embalado.

7.11.2025

K**S

ممتازة ❤️❤️❤️❤️

28.06.2023

S**9

Good quality.

3.04.2026

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¥23769

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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