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Samsung

Samsung P9 Express microSD Express Card 256GB microSDXC Memory Card Up to 800 MB s for Nintendo-Switch 2

$34.99$54.99

1203+ bought in the past month

About this item

  • TRANSFER SPEEDS UP TO 800 MB/S: With sequential read speeds up to 800 MB/s, get into your game up to 4× faster than our standard microSD cards (UHS I)¹.
  • DYNAMIC THERMAL GUARD: Keeps its cool even when the action heats up. Dynamic Thermal Guard helps reduce overheating for fast, smooth gameplay.
  • ALL YOUR GAMES ON ONE TINY CARD: Store all your games and downloadable content (DLCs) with up to 512GB of reliable storage. No deleting. No compromises.
  • 6-PROOF PROTECTION WITH 3-YEAR LIMITED WARRANTY: Built to last, made for peace of mind. Anything can happen when you’re gaming on the go. With 6 types of protection²⁻⁹, the P9 Express can handle it all—helping maintain your game progress.
  • NEXT-GEN AND BACKWARD COMPATIBLE: Your microSD Express card is compatible with Nintendo Switch 2¹⁰ and microSD UHS-I¹¹ devices, including tablets, drones, cameras and more.
  • BOOST YOUR MEMORY CARD HEALTH: Samsung Magician Software helps you unlock unstoppable P9 Express performance. It includes product authenticity verification and drive health monitoring.¹¹
  • 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 2003.¹² All firmware and components are produced in-house, including our world-renowned DRAM and NAND, for quality you can trust.

Key details

color_spec
‎white
Brand
Samsung
Flash Memory Type
Micro SDXC
Memory Storage Capacity
256 GB
Compatible Devices
Camera, Gaming Console, Nintendo Switch 2, Personal Computer, Steam Deck

Dimensions and fit

dimensions
‎0.59"L x 0.43"W
weight
‎0.009 ounces
item_weight
0.009 ounces
product_dimensions
0.59"L x 0.43"W
item_dimensions_lxwxh
0.59 x 0.43 x 0.1 inches

Technical specifications

Model Name
P9 Express
read_speed
800 Megabytes Per Second
write_speed
100-200 MB/s
secure_digital_association_speed_class
Class 10
item_model_number
MB-MK256T/AM

Item information

color
white
special_feature
Drop Proof, Magnetic Proof, Temperature Proof, Water Proof, X Ray Proof
warranty_type
Limited
hardware_interface
microSDXC
manufacturer
Samsung
upc
198957218866
date_first_available
October 21, 2025
best_sellers_rank
#4 in Micro SD Memory Cards
Highlights

About this item

  • TRANSFER SPEEDS UP TO 800 MB/S: With sequential read speeds up to 800 MB/s, get into your game up to 4× faster than our standard microSD cards (UHS I)¹.
  • DYNAMIC THERMAL GUARD: Keeps its cool even when the action heats up. Dynamic Thermal Guard helps reduce overheating for fast, smooth gameplay.
  • ALL YOUR GAMES ON ONE TINY CARD: Store all your games and downloadable content (DLCs) with up to 512GB of reliable storage. No deleting. No compromises.
  • 6-PROOF PROTECTION WITH 3-YEAR LIMITED WARRANTY: Built to last, made for peace of mind. Anything can happen when you’re gaming on the go. With 6 types of protection²⁻⁹, the P9 Express can handle it all—helping maintain your game progress.
  • NEXT-GEN AND BACKWARD COMPATIBLE: Your microSD Express card is compatible with Nintendo Switch 2¹⁰ and microSD UHS-I¹¹ devices, including tablets, drones, cameras and more.
  • BOOST YOUR MEMORY CARD HEALTH: Samsung Magician Software helps you unlock unstoppable P9 Express performance. It includes product authenticity verification and drive health monitoring.¹¹
  • 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 2003.¹² All firmware and components are produced in-house, including our world-renowned DRAM and NAND, for quality you can trust.

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Customer reviews

471 reviewsPositive

Rated 4.8/5 across 471 reviews — highly regarded by customers.

  • 100% of sampled reviews give 4–5 stars.

Customers say

Customers find the microSD card works well with Nintendo Switch 2 and offers Samsung's expected quality. Customers consider it good value for money and find it easy to install.

Generated from the text of customer reviews

★★★★★

Fantastic Performance & Storage Boost!

The Samsung P9 Express microSD Express Card, 256GB was awesome — exactly what I needed to expand my gaming storage! This card offers incredibly fast transfer speeds (up to 800 MB/s), which helps reduce load times and makes installing or jumping into games feel much quicker and smoother.  It fits perfectly in my Nintendo-Switch 2 and gave me plenty of extra space without any hiccups — perfect for storing big game downloads, DLCs, screenshots, and more. The build feels solid and reliable, and it’s even designed to handle tough conditions (like temperature changes, drops, water, and more).  Whether you’re a serious gamer or someone who just wants more room for your digital collection, this microSD Express card delivers excellent performance and great value. Highly recommend! 🎮💾 Read more

Armando Burgos JR.
★★★★★

Good value microSD Express

The Samsung P9 microSD Express Card works great! It’s fast, reliable, and super handy for adding more storage onto my Switch 2 with good value. File transfers are quick, and it handles Switch 2 games without any problems. Really happy with it so far. Read more

Jason Lee
★★★★★

Perfect Upgrade for Nintendo Switch 2 - Fast, Reliable, and Truly Next-Gen

My Switch 2 detected it immediately, and it works flawlessly right out of the box. With the console’s internal storage capped at 256GB, and many modern titles taking 30 to 50GB each, running out of space is inevitable. Without a card like this, you’d constantly be deleting and re-downloading games just to make room. This 512GB card completely eliminates that hassle. The speed is outstanding, load times feel just as fast as, if not faster than the Switch 2’s internal storage. Jumping into games, moving between areas, and loading are noticeably smooth. Thermal performance is also solid. Don't feel the extra heat on the device after hours of game time. Read more

Walter
★★★★★

Perfect for the Nintendo Switch 2

Great price for the storage and it works perfectly on my Nintendo switch 2:). Read more

Jenny
★★★★★

Better that I expected

I use this sd memory card in my Switch 2 and works pretty well so far, for the price and capacity it's a good option, even if there are more faster SD express card, the differences in the performance it's minimal Read more

Robert SV
★★★★★

Great for Switch 2

Great price on sale and works very well with the switch 2! Read more

Jake
★★★★★

Good high capacity sd express card.

This is exactly what it seems like it is, a high capacity micro sd card at an affordable price. It works with my Nintendo Switch 2, and provides more memory. Read more

Jonathan Horn
★★★★★

Pretty pretty pretty good memory card

Works great and it saves me space on the actual hardware. Plus it was 25% off when I purchased it. That was a pretty great deal. Read more

Christopher DiMarco
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