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Compact metal USB flash drive in champagne silver with integrated key ring

SAMSUNG

SAMSUNG MUF-256BE3/AM 256GB BAR Plus USB 3.1 flash drive

SKU CH-GKV5-N4EXG MPN MUF-256BE3/AM

A rugged metal USB 3.1 flash drive with 256GB capacity and read speeds up to 400MB/s for fast file transfers

  • Total capacity256 GB
  • USB standardUSB 3.1 Gen 1
  • USB port typesType A
  • Max read speedup to 400 MB/s
  • Write throughputup to 100 MB/s
  • Product colorChampagne Silver

Capacity 256GB

  • Fast 400MB/s reads move large files quickly
  • Durable metal casing resists water, shock and magnets
  • Compact 0.50" x 0.60" x 1.60" design fits any pocket
  • Backwards compatible with USB 3.0 and USB 2.0 ports
  • Integrated key ring keeps the drive secure

256GB USB 3.1 Type-A Flash Drive

The Samsung BAR Plus MUF-256BE3/AM provides 256GB of portable storage in a compact metal chassis. It connects via a standard USB Type-A plug and delivers read speeds up to 400MB/s. The drive is built for users who need reliable, high-speed file transfers between laptops, desktops and compatible devices.

Upgrade from slower USB 2.0 or 3.0 drives

Moving from a USB 2.0 stick cuts transfer time dramatically, especially with large media files. The jump is worth it when you regularly shift multi-gigabyte videos, photo libraries or project folders and want the 400MB/s read ceiling. Write speeds reach 100MB/s, so the benefit shows most on read-heavy workflows.

Fits any USB-A port, adds rugged protection

The drive works with USB 3.1 Gen 1, 3.0 and 2.0 hosts without extra drivers. Its metal casing resists water, shock, magnet, temperature and X-ray exposure, while an integrated key ring prevents loss. The small 0.50 x 0.60 x 1.60 inch form leaves adjacent ports free and adds only 0.04 oz to a keychain or bag.

How it compares

Measured against everything we stock in USB Thumb Drives, at today’s prices. Recalculated every night.

Price $37.99
Pricier than about 56% of the 1,099 comparable items (median $31.99).
Total capacity 256 GB
Higher than about 80% of the 746 comparable items (median 64 GB).
Price per TB $148.40 per TB
Cheaper than about 78% of the 600 comparable items (median $226.48 per TB).

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Specifications

Product
Brand nameSAMSUNG
Product lineBAR Plus
Model nameMUF-256BE3/AM
Total capacity256 GB
Product colorChampagne Silver
Performance
Max read speedup to 400 MB/s
Write throughputup to 100 MB/s
Ports & slots
USB standardUSB 3.1 Gen 1
USB port typesType A
Size & build
Product dimensions0.5 in × 0.6 in × 1.6 in
Product weight0.04 oz
Shipping weight0.02 kg
Package size152 × 100 × 11 mm

Other versions of this model

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Questions about this item

What size USB-A port does the 1.60" x 0.60" x 0.50" drive require?

It fits a standard USB Type-A port and works with USB 3.1 Gen 1, USB 3.0 and USB 2.0 hosts.

How do I start using the drive, and what step do people often miss?

Plug the metal Type-A connector into the port; the missing step is waiting for the OS to finish mounting before transferring files.

When should I replace the drive given its 400MB/s read and 100MB/s write ratings?

Replace it if speeds drop well below those figures, files become unreadable, or the metal casing shows physical damage.

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