
SAMSUNG FIT Plus 3.1 USB Flash Drive (MUF-128AB/AM)
128GB, 400MB/s – Gunmetal Gray Overview The Samsung FIT Plus is a compact, high-speed USB 3.1 flash drive designed for users who need fast, reliable, and discreet portable storage. Its ultra-small form factor makes it ideal for laptops, tablets, smart TVs, car audio systems, gaming consoles, and ...
*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
Notice a mistake? Let Us Know
Overview
128GB, 400MB/s – Gunmetal Gray
Overview
The Samsung FIT Plus is a compact, high-speed USB 3.1 flash drive designed for users who need fast, reliable, and discreet portable storage. Its ultra-small form factor makes it ideal for laptops, tablets, smart TVs, car audio systems, gaming consoles, and any other device where you want a "plug-and-stay" storage solution that doesn’t protrude or get in the way.
Whether you're a professional needing secure space for documents, a student storing coursework, or a media enthusiast archiving videos, music, and photos, this drive is a dependable tool that combines speed with durability.
Who It’s For
- Students & Professionals: Extra, secure space for documents, media, and backups.
- Gamers & Streamers: Store game saves, patches, or video captures on consoles or PCs.
- Media Consumers: Watch or play media on TVs, car systems, or tablets.
- Road Warriors: Compact, rugged storage that stays plugged in without sticking out.
Key Features & Benefits
- Plug-and-Stay Design: Flush fit reduces breakage and accidental removal.
- Blazing Fast Transfers: Read speeds up to 400MB/s with USB 3.1; transfer a 3GB 4K UHD video in just 10 seconds.
- Versatile Compatibility: Works with Windows, macOS, Linux, and most USB-A devices.
- Rugged Build Quality: Waterproof, shock-proof, temperature-proof, magnet-proof, and X-ray-proof.
- Reliable Brand: Built with Samsung's in-house NAND and DRAM, from the world's #1 flash memory brand.
Technical Specifications
| Model: | MUF-128AB/AM |
| Capacity: | 128GB |
| Interface: | USB 3.1 (backward compatible with USB 2.0) |
| Read Speed: | Up to 400 MB/s |
| Dimensions: | 23.6 x 18.8 x 7.3 mm |
| Weight: | Approx. 3.1g |
| Color: | Gunmetal Gray |
Pros
- Ultra-compact, low-profile design
- High-speed file transfers
- Excellent build quality and durability
- Plug-and-play setup
- Ideal for tight spaces (e.g., car audio, TVs)
Cons
- No USB-C option included
- Write speeds are slower than read (typical for USB flash drives)
- May be easy to misplace due to its small size
Key Features
PLUG IN AND STAY: Expand your storage with the FIT Plus, a compact flash drive, seamless and unobtrusive; Instant storage for your laptops, tablets, TV’s, car audio systems, gaming consoles, and more
STORE MORE, LEAVE IT IN: Extra storage in a seamlessly fitting design; Leave it in your devices with reduced risks of accidental bumps or removal; Enough capacity for your favorite tunes, irreplaceable photos/videos, work documents, and personal files
SAVE TIME, ADD SPACE: Quick and convenient read speeds up to 400 MB/s* with the latest USB 3.1 standard to ensure transferring data never slows you down; Send a 3GB 4K UHD video file from your FIT Plus to your PC in just 10 seconds**
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, shock-proof³, temperature-proof⁴, magnet-proof, and X-ray-proof⁵ body
WORLD'S #1 FLASH MEMORY BRAND: Experience the performance and reliability from the world's #1 brand for flash memory since 2003;****** All firmware & components, including Samsung's world-renowned DRAM & NAND, are produced in-house
Specifications
Pros & Cons
👍 Pros
- Compact, seamless, and unobtrusive "Plug In and Stay" design is ideal for devices like laptops or car audio systems.
- Offers rapid read speeds of up to 400 MB/s utilizing the USB 3.1 standard for quick data transfers.
- Highly durable with waterproof, shock-proof, temperature-proof, magnet-proof, and X-ray-proof characteristics.
- Designed to be left in devices, minimizing the risk of accidental bumps or unintended removal.
- Manufactured by Samsung, a brand recognized for its leadership and in-house production of flash memory components.
👎 Cons
- The compact "Plug In and Stay" design can make it difficult to grasp and remove from tight USB ports.
- Only read speeds are specified as "up to 400 MB/s," with no mention of write speeds, which are often slower.
- While durable, the small size increases the risk of misplacement if removed from a device.
- The term "unobtrusive" may imply a lack of a cap or retractable design, potentially exposing the connector.
- A 3GB 4K UHD video transfer in 10 seconds is a specific benchmark, not a general guarantee for all file types.