---
product_id: 442129703
title: "SAMSUNG MB-MJ256KA 256GB Flash Card Type MicroSDXC Internal Memory Type UHS I Read speed 100 MB Write speed 40 MB UHS Speed Class Class 1 U1 Video Speed Class V30, White"
brand: "samsung"
price: "€ 140.90"
currency: EUR
in_stock: true
reviews_count: 5
category: "Samsung"
url: https://www.desertcart.fr/products/442129703-samsung-mb-mj256ka-256gb-flash-card-type-microsdxc-internal-memory
store_origin: FR
region: France
---

# 100MB/s read speed V30 video speed class for 4K 40MB/s write speed SAMSUNG MB-MJ256KA 256GB Flash Card Type MicroSDXC Internal Memory Type UHS I Read speed 100 MB Write speed 40 MB UHS Speed Class Class 1 U1 Video Speed Class V30, White

**Brand:** samsung
**Price:** € 140.90
**Availability:** ✅ In Stock

## Summary

> 🚀 Unlock speed and storage that keeps pace with your ambition!

## Quick Answers

- **What is this?** SAMSUNG MB-MJ256KA 256GB Flash Card Type MicroSDXC Internal Memory Type UHS I Read speed 100 MB Write speed 40 MB UHS Speed Class Class 1 U1 Video Speed Class V30, White by samsung
- **How much does it cost?** € 140.90 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/442129703-samsung-mb-mj256ka-256gb-flash-card-type-microsdxc-internal-memory)

## Best For

- samsung enthusiasts

## Why This Product

- Trusted samsung brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built for Endurance:** Magnetic, temperature, water, wearout, and X-ray proof—durability that keeps up with your hustle.
- • **Blazing Fast Transfers:** Experience seamless 100MB/s read speeds for instant access to your files.
- • **Massive 256GB Capacity:** Store up to 140,160 hours of video or thousands of high-res photos—carry your world in your pocket.
- • **Reliable 4K Video Capture:** V30-rated for smooth, uninterrupted 4K and Full HD recording—never miss a moment.
- • **Optimized for Security & Dashcams:** Specifically engineered for surveillance and monitoring devices, ensuring consistent performance.

## Overview

The SAMSUNG MB-MJ256KA is a 256GB microSDXC card featuring ultra-fast 100MB/s read and 40MB/s write speeds, UHS-I Class 1 U1, and V30 video speed class. Designed for 4K and Full HD video recording, it offers robust protection against magnetic fields, temperature extremes, water, wear, and X-rays—perfect for professional-grade video monitoring and everyday high-performance storage needs.

## Description

SAMSUNG mb mj256k. capacity: 256 gb, flash card type: microsdxc, flash memory class: class 10, internal memory type: uhs i, read speed: 100 mb/s, write speed: 40 mb/s, uhs speed class: class 1 u1, video speed class: v30. product colour: whiteسامسونج mb mj256k. السعة: 256 جيجا بايت، نوع بطاقة فلاش: microsdxc، فئة ذاكرة فلاش: الفئة 10، نوع الذاكرة الداخلية: uhs i، سرعة القراءة: 100 ميجابايت/ثانية، سرعة الكتابة: 40 ميجا بايت/ثانية، فئة السرعة uhs: الفئة 1 u1، فئة سرعة الفيديو: v30. لون المنتج: أبيض

Review: It seems the sd card died within a year. Need help on this as how to claim the warranty.
Review: Parfait

## Features

- Up to 140,160 hours of 4K and Full HD (1080p) recording and playback with capacities up to 256GB
- Up to 100MB/s read and 40MB/s write speeds with class 10 and U3 compatibility. Performance varies by capacity.
- Designed specifically for video monitoring cameras (dash cams, surveillance & security cams, CCTV, body cams, etc.)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B1J75QW2 |
| Are Batteries Included | No |
| Best Sellers Rank | #4,342 in Computers ( See Top 100 in Computers ) #77 in Micro SD Memory Cards |
| Color | White |
| Colour | White |
| Customer Reviews | 4.7 4.7 out of 5 stars (2,243) |
| Date First Available | 22 May 2022 |
| Global Trade Identification Number | 08806092767263 |
| Hardware interface | microSDXC |
| Item Weight | 0.25 g |
| Item model number | MB-MJ256KA/EU |
| Item weight | 0.25 Grams |
| Lithium Battery Energy Content | 2.6 Watt Hours |
| Lithium Battery Packaging | Batteries contained in equipment |
| Lithium Battery Weight | 5 Grams |
| Manufacturer | Samsung |
| Number of Lithium Metal Cells | 1 |
| Product dimensions | 10L x 15W centimeters |
| Reading speed | 100 Megabytes Per Second |
| Secure digital association speed class | Class 10 |
| Special features | Magnetic Proof, Temperature Proof, Water Proof, Wearout Proof, X Ray Proof |
| Writing speed | 40.0 |

## Product Details

- **Brand:** Samsung
- **Compatible devices:** Camera
- **Flash memory type:** Micro SD
- **Memory storage capacity:** 256 GB
- **Model name:** PRO Endurance

## Images

![SAMSUNG MB-MJ256KA 256GB Flash Card Type MicroSDXC Internal Memory Type UHS I Read speed 100 MB Write speed 40 MB UHS Speed Class Class 1 U1 Video Speed Class V30, White - Image 1](https://m.media-amazon.com/images/I/51a+sb8DKJL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by V***H on 6 December 2023*

It seems the sd card died within a year. Need help on this as how to claim the warranty.

### ⭐⭐⭐⭐⭐ Review
*by D***N on 17 September 2024*

Parfait

### ⭐⭐⭐⭐⭐ Review
*by C***N on 11 August 2024*

İndirimde aldım. Araç kamerası için aldım sıkıntı olmadı, hız testinde de sorun yok, kayıtlarda da

## Frequently Bought Together

- Samsung PRO Endurance 256GB microSDXC UHS-I U3 100MB/s Video Monitoring Memory Card with Adapter (MB-MJ256KA)
- VANTRUE USB-C 5 Level Hardwire Kit with ACC for N5/N4 Pro/N4/N2X/E360/S1 Pro/E1 Pro/E1/E1 Lite/E2/E3/X4S/N2 Pro(USB-C)/N2S/S2 Dashcam, 12V-24V to 5V, 24h Parking Mode, Low Voltage Protection, 11.5ft
- VANTRUE N4 Pro 4K 3 Channel Dash Cam 5G WiFi GPS, STARVIS 2, 4K+1080P+1080P Front and Rear Inside Triple Car Camera 3CH HDR, Night Vision, Voice Control, 24/7 Buffered Parking Mode, Support 512GB

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*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-03-16*