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.

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SAMSUNG BAR Plus 3.1 USB Flash Drive, 128GB, 400MB/s, Rugged Metal Casing, Storage Expansion for Photos, Videos, Music, Files, MUF-128BE4/AM, Titan Grey

SAMSUNG BAR Plus 3.1 USB Flash Drive, 128GB, 400MB/s, Rugged Metal Casing, Storage Expansion for Photos, Videos, Music, Files, MUF-128BE4/AM, Titan Grey

Product ID: 69481228

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Details

Brand
SAMSUNG
Memory Storage Capacity
128 GB
Hardware Interface
USB USB 3.2 1
Special Feature
Dust Proof
Write Speed
200 Megabytes

⚡400MB/s blazing read speed

🔒Waterproof & shock-proof durability

🛡️Rugged metal casing

Description

⚡ Store Fast, Store Fearlessly

COMPACT PORTABLE - Ultra-lightweight and keyring-integrated for effortless on-the-go storage 🔑
RUGGED MEETS REFINED - Sleek metal body designed to withstand shocks, water, magnets, and X-rays 🛡️
BLAZING FAST TRANSFERS - Move a 3GB 4K UHD video in just 10 seconds with USB 3.1 speeds up to 400MB/s ⚡
MASSIVE 128 GB CAPACITY - Expand your digital universe with ample space for photos, videos, music, and files 📂
TRUSTED BRAND RELIABILITY - Backed by Samsung’s 5-year warranty and in-house DRAM & NAND technology 🔧

The Samsung BAR Plus 128GB USB 3.1 flash drive delivers ultra-fast 400MB/s read speeds in a sleek, rugged metal casing. Engineered for durability with waterproof, shock-proof, magnet-proof, and X-ray-proof protection, it’s perfect for professionals who demand reliable, high-capacity portable storage backed by Samsung’s trusted 5-year warranty.

Specifications

Read Speed	400 Megabytes Per Second
Connectivity Technology	USB
Color	Gray
Model Name	BAR Plus
Product Dimensions	0.6"D x 0.6"W x 0.5"H
Flash Memory Type	CompactFlash
Manufacturer	Samsung Electronics DAV
Hardware Connectivity Technology	USB Type A
UPC	887276265896
Global Trade Identification Number	00887276265896
RAM	1
Number of USB 3.0 Ports	1
Item model number	MUF-128BE4/AM
Hardware Platform	PC
Item Weight	0.04 ounces
Item Dimensions LxWxH	1.58 x 0.61 x 0.47 inches
ASIN	B07BPG9YX9
Is Discontinued By Manufacturer	No
Date First Available	April 30, 2018