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Samsung - P9 Express 256GB microSDXC Memory Card

Model: MB-MK256T/WW
SKU: 6650743
Sold byBest Buy

About this product

Upgrade your gaming with the P9 Express, compatible with Nintendo Switch ™2. Store and access your favorite games and downloadable content (DLCs), load them fast, and enjoy smooth, reliable game play for both casual and high demand gamers. Built for gaming marathons, the card stays cool while delivering consistent speed and performance. This isn’t just a storage solution it’s a game changer, combining speed, durability, and efficiency.

Storage Capacity

256GB

Features

  • Transfer Speeds up to 800 MB/s

    With sequential read speeds up to 800 MB/s, get into your game in a flash. The read speed is four times faster than our standard microSD cards (UHS I)¹, helping reduce load, installation, and update times, giving you quick access to DLCs. Jump straight into epic battles, co op missions, or solo adventures with smooth, engaging gameplay.

  • Dynamic Thermal Guard

    Keeps its cool no matter how intense the action get. Equipped with Dynamic Thermal Guard (DTG), it helps reduce overheating for consistent high speed performance during marathon gaming sessions. Whether you’re conquering virtual worlds, tackling epic co op missions, or leading intense battles, your games stay fast, responsive, and full of energy.

  • Storage Capacities from 256GB to 512GB

    Store all your favorites old and new games, plus downloadable content (DLCs), with up 256GB or 512GB of reliable storage. With the microSD Express card, you can have it all your favorite RPGs, new battle royales and must have downloadable content ready to play at a moment’s notice. No more deleting of games. Whether you’re conquering missions on the go or crushing ranked matches at home, this card ensures every title you love is always accessible.

  • 6 Proof Protection with 3 Year Limited Warranty

    Anything can happen when you’re gaming on the go, and your microSD Express card is built to handle it all. With 6 types of protection² - water, temperature, X ray, magnet, drop and wear-out proof it stands up to spills, heat and rough travel. Whether you're at home or battling through epic quests on the road, it’s like a cheat code for maintaining your game progress.

  • Extensive compatibility

    Your microSD Express card is compatible with Nintendo Switch ™2³ and microSD UHS I⁴ devices like computers, handheld consoles, tablets, or cameras. Effortlessly capture 4K videos, record epic gameplay, or snap pro level photos, then transfer everything at high speed. Whether creating, gaming, or sharing, the P9 Express keeps your content flowing smoothly and ready wherever you go.

  • Magician Software

    Samsung Magician Software helps you unlock unstoppable P9 Express. It includes product authenticity verification, drive health monitoring and performance benchmarking to keep your microSD Express in tip top shape.⁵

  • World’s No. 1 Flash Memory Brand

    Performance and reliability you can count on from the world's number one brand for flash memory since 2003.⁶ All firmware and components are produced in house, including our world renowned DRAM and NAND, for quality you can trust.

Specifications

  • Storage Capacity
    256 gigabytes
    Maximum Read Speed
    800 megabytes per second
    Memory Card Format
    microSD Express
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Reviews

Rating 5 out of 5 stars with 1 review

5 star rating. 1 review
100% would recommend to a friend

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

  • Rated 5 out of 5 stars

    Just the upgrad I needed at a reasonable Price

    I needed fast reliable storage in a small form factor. This SD card fit for ny need.

    Posted by Arod

See all customer reviews
  • Customer reviews from Samsung US
    See all Samsung US reviews
    Samsung US

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Pros for Samsung - P9 Express 256GB microSDXC Memory Card
There were no pros for this product—There were no pros for this product—Overall Performance, Storage Capacity, Speed, Price, CompatibilityThere were no pros for this product—

Specs

Questions & Answers

  • Does this memory card have dynamic thermal guard?

    Yes, this memory card is equipped with Dynamic Thermal Guard.

    This question and answer was generated by AI based on customer and product data.

  • Is this memory card protected from water damage?

    Yes, this memory card has water protection.

    This question and answer was generated by AI based on customer and product data.

  • Is this memory card compatible with Nintendo Switch?

    Yes, this memory card is compatible with Nintendo Switch.

    This question and answer was generated by AI based on customer and product data.

  • Can this memory card be used with computers?

    Yes, this memory card is compatible with computers.

    This question and answer was generated by AI based on customer and product data.

  • What is the maximum read speed of this memory card?

    The memory card has a maximum read speed of 800 megabytes per second.

    This question and answer was generated by AI based on customer and product data.
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