USB Flash Drive Type-C™ 256GB

Blue 256 GB
MUF-256DA/APC

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USB Flash Drive Type-C™ 256GB

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Highlights

Fast Data Transfer

Fast Data Transfer

USB Type-C

USB Type-C

Waterproof

Waterproof

Shock-proof

Shock-proof

Features

USB-C storage on the go

One drive to store it all. Ergonomically designed and tailored for the ubiquitous USB Type-C™ port. Supported by Samsung NAND flash, this sleek drive combines reliable performance with the flexibility and power to scale across multiple devices.

Performance at speed

No need to choose between performance and reliability. Experience a fast, powerful flash drive that transfers 4GB files in just 11 seconds¹ with up to 400MB/s² USB 3.1³ read speeds and is backward compatible with USB 3.0/2.0. This is Samsung's quality NAND flash memory in action.

¹ Minimum of 11 secs for 256/128GB models, minimum of 15 secs for 64GB models (tested with combination of HP OMEN, Intel Core i7-10750H@2.60GHz, 8GB and Windows 10 Home 64bit)*Actual speed may vary by host device and/or usage conditions.² Up to 400MB/s for 256/128GB models, up to 300MB/s for 64GB models.³ USB 3.1 is equivalent to USB 3.2 Gen 1.

Modern meets iconic

This USB-C drive looks as good as it performs. The ultra-sleek body with a mystic blue finish is a statement in and of itself. Featuring a reversible plug orientation, the Type-C™ inserts into your devices seamlessly every time. Transfer large files with style and ease.

All-round connectivity

Compatible with your type USB-C devices, including laptops, tablets, smartphones and cameras, this pocket-sized drive comes in handy wherever you go. With up to 256GB capacity, there is enough space for 63,730 photos¹ or maximum 12 hours of 4K video².

¹ Image 4032x3024 12MP (Avg file size: 3.84MB) ² 4K UHD video 3840x2160 30fps (Avg 30-min recording file size: 10.10GB) * Up to 31,860 photos and 6 hours of 4K video for 128GB models, up to 15,930 photos and 3 hours of 4K video for 64GB models.

Tough & Trusted

Files stay secure, anywhere you go. Samsung's leadership in flash memory makes the Type-C™ a trustworthy drive to store your valuable data. It works with a waterproof¹, shock-proof², magnet-proof³, temperature-proof⁴, and X-ray-proof⁵ body, backed by a 5-year limited warranty⁶.

¹ Up to 72 hrs at 1m depth seawater. ² Up to 1,500 gravitational acceleration. ³ Up to 15,000 gauss (equal to MRI). ⁴ Withstands 0°C to 60°C operating, -10°C to 70°C non-operating.⁵ Up to 100mGy (equal to airport X-ray machines).* 1~5 was conducted under controlled conditions and may vary depending on actual environmental conditions.⁶ Samsung is not liable for any damages and/or loss of data or expenses incurred due to UFD data recovery. For specific details on warranty, please visit: www.samsung.com/support

World's No.1 Flash Memory

Experience the superior performance and reliability that you can only get from the world's number one brand for flash memory since 2003. All firmware and components, including Samsung's world-renowned DRAM and NAND, are produced in-house, allowing end-to-end integration for quality you can trust.

*Source: 2003~Q4 2021 OMDIA data: NAND suppliers' revenue market share.

*Source: 2003~Q4 2021 OMDIA data: NAND suppliers' revenue market share.

Specifications

  • Interface

    USB 3.2 Gen 1 (backward compatible with USB 3.0/2.0)

  • Connector

    USB Type-C

  • Application

    PC, Notebook, Smartphone, Tablet

  • Warranty

    5 years limited

  • Product Type

    USB Type-C™ Flash Drive

  • Family Line

    Type-C™

  • Application

    PC, Notebook, Smartphone, Tablet

  • Capacity

    256GB (1GB=1,000,000,000 bytes) * Actual usable capacity may be less (due to formatting, operating system, applications or otherwise)

  • Interface

    USB 3.2 Gen 1 (backward compatible with USB 3.0/2.0)

  • Connector

    USB Type-C

  • Dimension (WxHxD)

    33.70 X 15.90 X 6.40mm

  • Weight

    Approx. 3.4 g

  • Speed

    Up to 400MB/s read speed, write speed is lower than read speed. *Actual speed may vary depending on use host device conditions and environment.

  • Temperature

    Withstands 0°C to 60°C (32°F to 140°F) operating,-10°C to 70°C (-14°F to 158°F) non-operating

  • Magnetic

    15,000 G (Gauss)

  • X-ray

    100mGy

  • Water

    1m depth 3% NaCl salt water, 72hrs

  • Shock

    Acceleration : 1,500 g (gravity), Duration time : 0.5ms, Direction : x,y,z 3 times

  • EMC

    KC, FCC, CE, VCCI, RCM

  • 5 years limited

  • 1) Samsung is not liable for any damages and/or loss of data or expenses incurred due to memory card data recovery. The results are based on internal tests, features and specs may vary by actual usage conditions. 2) The Samsung product authentication for memory cards and USB flash drives is available at: www.samsung.com/support

Reviews

USB Flash Drive Type-C™ 256GB

4.2

Recommended by 78% of customers.

5.0 62%
4.0 23%
3.0 0%
2.0 0%
1.0 15%
Features 3.8
Performance 3.8
Design 4.4
Value 4.0

Filters

Relevancy sort puts the best reviews at the top. We look at things like helpfulness votes, latest review, pictures and other traits that readers look for in their reviews.

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13 Reviews

Voltyvic1
5

2023-06-13

Plymouth UK

5
Got the 128GB flash drive as a result of no longer having expandable storage on Samsung flagship phones. Basically it's pretty much perfect. Really fast transfer speeds with my phone, laptop (HP) or tablet and you just plug it in and go! Doesn't get hot like so many others I tried.It's not cheap but it's so much better than other brands I've tried (big names too) that I shan't even bother trying anything else now.. I've attached a tag to the drive which is useful for attaching it to a case / keyring etc but he cap stays on firmly so I don't have to worry about protecting it and the whole thing is really sturdy. My only minor gripe is that it doesn't fit if you're using certain cases, particularly thicker silicone ones. It fits with some of my cases but not others, but certainly my official Samsung cases & at least 1 other brand all accommodate it.
I recommended this product.
Originally posted on Samsung UK

Features

5

Performance

5

Design

5

Value

5
NoOneHome
5

2023-05-25

Sussex

5
Tiny & great performance for the size. You won't get much faster reads or writes for this size/form factor (Kingston do a faster stick but only because it's really an SSD in stick form and is 3x larger). I gave it 4/5 for features, but only because it ships formatted as FAT32 so you can't handle files larger than 4GB. Not everyone will realise they can re-format it as ExFat or NTFS to support larger files.
Originally posted on Samsung UK

Features

4

Performance

4

Design

5

Value

5
Slémo60
4

2026-10-10

4
J ai faillit retourner cette clé usb. J ai perdu beaucoup de temps a testé la capacité qui etait correct mais le débit lecture ecriture etait très bas . Finalement j ai trouvé sur un forum que parfois il faut débranchez la clé et la retourner et la rebrancher. Suite a cela le test de débit m a donné des résultats tres satisfaisant bien qu ils ne sont pas vraiement comme décrit.
I recommended this product.
Originally posted on Samsung France
Response from Samsung:
2026-10-12

Service clients Samsung

Bonjour Slémo60, Nous vous remercions d’avoir partagé votre avis. Nous comprenons que vous ayez rencontré un dysfonctionnement avec notre produit et nous en sommes navrés. Découvrez les conseils de notre communauté Samsung sur le fonctionnement de votre produit sur: https://www.samsung.com/fr/apps/samsung-members/ Si le problème persiste, nous vous invitons à contacter l’un de nos collaborateurs afin de trouver une solution adaptée à votre situation: https://www.samsung.com/fr/support/contact . Nous restons à votre disposition. Cordialement Alex, Service clients Samsung

IcantThinkOfaName255
5

2025-09-08

London

5
This is an excellent Flash Drive made by Samsung. I bought a 256GB variant at a really great price compared to other competitors and it does the job but superbly. Transfer speeds and read speeds are blisteringly fast and the Type-C Interface makes it super convenient to use across all Samsung devices and any other device with a Type - C port. Now for its design, this form factor is excellent. It is small, portable and it is super convenient. Some pointers for Samsung though, I did notice it does heat up a bit when plugged in and not being used but, I guess that is due to its small form factor so it is understandable. Also they provide a loophole for the cap and the drive so you can loop a string through it to keep the lid and drive together. Might I suggest that Samsung adds a string or looping string of some sort to utilise this functionality? But all in all, Great Job Samsung with this Type - C Flash Drive. :D
I recommended this product.
Originally posted on Samsung UK

Features

5

Performance

5

Design

5

Value

5
Response from Samsung:
2025-09-12

CX

We’re thrilled to read your thoughts and feedback. We will pass this feedback on to be looked into! Thanks for sharing with us and giving us top marks!
^KF at Samsung Support

eclair
4

2025-07-23

4
Schönes Produkt, was das Designe betrifft. Leider kann ich es mit meinem Smartphone (iPhone Xs Max) nicht nutzen, leider habe ich kein entsprechendes Adapterkabel gefunden. Von daher kann ich keine weiteren Aussagen treffen. Ich bin jedoch mit den anderen Samsung Portable Produkten (SSD T7), die ich besitze, sehr zufrieden.
Originally posted on Samsung Germany

Design

5
Response from Samsung:
2025-07-29

Samsung Service Team

Hallo, wir danken dir für die positive Bewertung, auch wenn du das Modell noch nicht testen konntest. Wir können lediglich sagen, dass die direkte Verbindung von unserem USB Type-C mit iPhone mit USB-C Anschluss funktioniert. Ob es auch mit einem Adapter funktioniert, hängt sehr vom Adapter ab. Von Samsung selbst gibt es jedoch keinen Adapter vom Lightning Anschluss zu USB-C.

Haken
4

2024-10-04

4
Mit Hülle am Telefon, ist die Länge vom usb-c Stecker des USB-Sicks nicht ausreichend um sicher gesteckt zu werden. Ohne Hülle funktioniert es sehr gut. Die Schreibgeschwindigkeit beträgt vom S24 ultra auf den 256GB Stick ca. 80-90MB/s (Fotos, Musik, Videos).
Originally posted on Samsung Germany

Design

4
Response from Samsung:
2024-10-07

Samsung Service Team

Hallo, wir danken dir für das Teilen deiner Eindrücke mit deinem Modell.

kelianth
5

2025-06-13

5
överlevde tvättmaskinen kunde inte hitta den men då kollade jag i tvättmaskinen och där låg den. Jag blev rädd att mina foton hade försvunnit men det hade dom inte riktigt grym produkt👍
I recommended this product.
Originally posted on Samsung Sweden
Bayerlein01
5

2022-10-06

Osterhofen

5
Seitdem ich den Stick habe bereue ich nicht eine Sekunde ihn zu benutzen. Er erleichtert den Alltag unterwegs und ersetzt eine Menge Papierkram.
I recommended this product.
Originally posted on Samsung Germany

Design

5
pascalmp
1

2022-07-18

melun

1
nul n'est pas reconnue par mon s22 plus branchée en direct affichée comme chargeur
Originally posted on Samsung France

Features

1

Performance

1

Design

1

Value

1
Patochon
1

2026-03-22

1
Après 3 ans d'utilisation, mes 3 clés sont devenues extrêmement lentes
Originally posted on Samsung France
Response from Samsung:
2026-03-23

Service clients Samsung

Bonjour Patochon, Nous vous remercions d’avoir partagé votre avis. Nous regrettons que votre expérience n'ait pas été à la hauteur de vos attentes. Nous vous encourageons à entrer en contact avec l'un de nos collaborateurs, qui sera en mesure de trouver une solution adaptée à votre situation. Vous pouvez les joindre via le lien suivant: https://www.samsung.com/fr/support/contact/ Cordialement Charlie, Service clients Samsung

Sachse8856
5

2025-02-14

5
Funktioniert toll wie ich es mir vorstelle
Originally posted on Samsung Germany
Response from Samsung:
2025-02-14

Samsung Service Team

Hallo, wir freuen uns, dass du begeistert von deinem Modell bist.

Wolle28
5

2024-02-06

Dortmund

5
Arbeitet einwandfrei
I recommended this product.
Originally posted on Samsung Germany

Design

5
Response from Samsung:
2024-02-07

Samsung Service Team

Hallo, wir danken dir für das Teilen deiner Eindrücke mit deinem Modell.

Mel484
5

2025-05-10

Saarland

5
I recommended this product.
Originally posted on Samsung Germany

Design

5

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