Samsung MB-MK256T microSD Express P9 Express memory card 256 GB microSDXC PCIe up to 800 MB/s White

Samsung MB-MK256T P9 Express is a high-performance 256 GB microSDXC memory card with a modern SD Express PCIe & NVMe interface, capable of delivering up to 800 MB/s sequential read speed and very fast responsiveness in demanding devices such as drones, game consoles, cameras, and smart devices. It is an enhanced data transfer card with wide applicability and high reliability.

Key Benefits

• PCIe Gen3.0x1 with NVMe 1.3 (microSD Express) → significantly faster data transfer than standard microSD cards

• Sequential read speed up to 800 MB/s → fast data access, game loading, video viewing, and file transfers

• UHS-I mode support → compatibility with a wide range of microSD devices

• High random read/write performance → better responsiveness for small-block operations

• V30 video speed class support → consistent video recording speed up to 4K

• A1 and U1 memory class responsiveness → optimized performance for everyday use

• Robust and durable design → resistance to temperature, radiation, magnetism, drops, and wear

• Broad use compatibility → mobile phones, tablets, cameras, game consoles, and drones

• High capacity — 256 GB → enough space for video, photos, and large data storage

• White case with premium finish → clean look in the device

Technical Specifications

• Type → microSDXC memory card with SD Express PCIe + NVMe

• Model / code → Samsung MB-MK256T (P9 Express)

• Memory capacity → 256 GB

• Sequential read speed → up to 800 MB/s

• UHS-I support → up to 90 MB/s in UHS-I mode

• Interface → PCIe Gen3.0 × 1 / NVMe 1.3 / SD 7.1

• Video Speed Class → V30

• UHS Speed Class → Class 1 (U1)

• Application performance class → A1

• Controller → SM2708

• Dimensions ( mm ) → 15 × 11 × 1

• Weight → ~0.25 g

• Color → white / microSD form factor

• Compatibility → backward-compatible with devices that support UHS-I (speeds may be lower)

• Protection → resistant to temperature, water, magnetism, X-rays, drops, and wear

Compatibility

• Compatible with:

• Devices that support microSD Express with PCIe / NVMe (e.g., Nintendo Switch 2, certain mobile device and camera configurations)

• microSDXC and UHS-I compatible devices → usable, but with lower maximum speeds than in SD Express mode

• Not compatible with:

• Devices that do not support microSD or microSDXC formats → will not work

• Devices that only support standard UHS-I without SD Express → speeds will be limited to UHS-I level

How to Use

• Insert the card into the microSD slot of your supported device (phone, tablet, console, or camera)

• Format the card in the device settings if required

• Transfer or store photos, videos, apps, or game data

• If the device supports microSD Express PCIe / NVMe, use the faster data transfer modes

• Back up important data regularly to help ensure data safety

Why Choose This Product
Samsung microSD Express P9 256 GB offers significantly faster data transfer than standard microSD cards thanks to PCIe & NVMe technology, which greatly reduces loading, installation, and data transfer times. This is especially useful for game consoles, action cameras, smart devices, and portable computers where high-speed large-data performance and reliability are critical. In addition, high performance, broad compatibility, and a durable design ensure consistent and stable operation even in demanding situations.

Real-World Use Cases

• Compatible gaming devices — fast game loading and DLC data storage

• Portable computer systems — file transfers and video projects

• Action cameras and drones — storing 4K / 8K video recordings

• Mobile phones and tablets — expanded storage for photo and video collections

• Portable media projects — fast access to multimedia content

Package Contents

• Samsung MB-MK256T microSD Express P9 256 GB memory card

• Manual and warranty information (included in the package)

About the Brand
Samsung is a global technology leader offering high-performance storage solutions, including microSD Express cards with innovative PCIe/NVMe technologies, to meet the demands of today’s data-intensive devices and provide fast, reliable, and efficient data storage.