SAMSUNG BAR Plus 256GB - 400MB/s USB 3.1 Flash Drive Champagne Silver (MUF-256BE3/AM)
Bottom line: The SAMSUNG BAR Plus 256GB ($69.90 on Amazon as of 2026-10-21 12:15 UTC): Rated up to 400MB/s reads, far quicker than typical USB 2.0 thumb drives; main trade-off: samsung's own description cites 300MB/s reads vs the 400MB/s headline claim.
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*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Rated up to 400MB/s reads, far quicker than typical USB 2.0 thumb drives
- ✓ Five-way proofing: water, shock, magnet, temperature, and x ray
- ✓ One-piece metal body with built-in key ring loop resists pocket abuse
- ✓ 256GB holds large 4K video projects and full game backups
Cons
- ✗ Samsung's own description cites 300MB/s reads vs the 400MB/s headline claim
- ✗ No write-speed rating published, so large file copies may lag reads
- ✗ Cap-less bar design leaves the USB contacts exposed to dust and lint
- ✗ Metal casing can run warm during sustained multi-gigabyte transfers
Manufacturer description
The Samsung BAR Plus 256GB is a metal USB 3.1 flash drive built for people who move large files often and want the drive to survive being carried on a keyring. Samsung rates transfer speeds up to 400MB/s, fast enough to pull a multi-gigabyte video project or a game backup off the drive without planning a coffee break around it. The chassis is a single piece of rugged metal with an integrated key ring loop, and Samsung certifies the drive as water proof, shock proof, magnet proof, temperature proof, and x ray proof, which covers most of the ways a pocket-carried drive normally dies. Inside…
SpecPicks Verdict
SpecPicks scored SAMSUNG BAR Plus 256GB using a rating × review-volume × price-fit model applied to published specs and reviews across the PC & gaming hardware category. Samsung's PC & gaming hardware lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for PC & gaming hardware of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Frequently Asked Questions
How fast is the Samsung BAR Plus 256GB really?
Samsung advertises read speeds up to 400MB/s on the product listing, while its longer description cites up to 300MB/s. Actual speed depends on your USB port; a USB 3.1 port is required to approach the rated figure.
Will it work in an older USB 2.0 laptop?
Yes. The drive is USB 3.1 with backwards compatibility for USB 3.0 and USB 2.0, so it will connect and read, but transfers will run at the slower port's speed.
Is the BAR Plus waterproof enough to survive the washing machine?
Samsung lists the drive as water proof, shock proof, magnet proof, temperature proof, and x ray proof. Check the product listing for Samsung's specific test conditions before relying on it after full submersion.
Can I attach it to my keychain?
Yes. The rugged metal casing includes an integrated key ring loop specifically designed to keep the drive attached and prevent loss.
Is 256GB enough for 4K video and game files?
For most users, yes. 256GB comfortably holds several hours of 4K footage or multiple large game installs, plus photo and document archives on Samsung V-NAND flash.
Key Features
- Redefine everyday file transfers with speeds up to 400MB/s
- Reliable and secure storage for your photos, videos, music, and files
- Rugged metal casing for durability with key ring to prevent loss
- Safeguard your data (Water proof, shock proof, magnet proof, temperature proof, x ray proof)
- USB 3.1 flash drive with backwards compatibility (USB 3.0, USB 2.0)
Full Specifications
| Brand | Samsung |
|---|---|
| Color | Silver |
| Model Name | BAR Plus |
| Read Speed | 400 megabytes_per_second |
| Unit Count | 1 Count |
| Write Speed | 200 MB |
| Connectivity | USB |
| Model Number | MUF-256BE3/AM |
| Built-In Media | USB 3.0 Flash Drive |
| Item Type Name | Samsung MUF-256BE3/AM 256GB BAR Plus (Silver-Metal) USB 3.0 Flash Drive |
| Mfr Part Number | MUF-256BE3/AM |
| Special Feature | Max 400MB/s Transfer speeds |
| Flash Memory Type | CompactFlash |
| Compatible Devices | PC, Notebook |
| Hardware Interface | USB 3.2 Gen 1 |
| Additional Features | Max 400MB/s Transfer speeds |
| Warranty Description | 5 Year Warranty |
| Connectivity Technology | USB |
| Memory Storage Capacity | 256 GB |
| Item Dimensions D x W x H | 0.5"D x 0.6"W x 0.6"H |
Ready to buy?
SAMSUNG BAR Plus 256GB - 400MB/s USB 3.1 Flash Drive Champagne Silver (MUF-256BE3/AM) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.
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