Samsung · Pen Drive

Samsung P9 Express, microSD Express Card

microSD card · 512 GB · 800 MB/s · Class 3 (U3)

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Type microSD card
Capacity 512 GB
Speed 800 MB/s
Standard Class 3 (U3)

Samsung P9 Express, microSD Express Card is a microSD card with 512 GB, reading at up to 800 MB/s. It came out in 2025.

Released: 2025-10-28

Specifications

Key specs

Type: microSD card
Capacity: 512 GB
Speed: 800 MB/s
Standard: Class 3 (U3)
Released: 2025-10-28
Part number: MB-MK512T/WW
EAN / UPC: 8806097644200

Memory

Capacity: 512 GB
Flash card type: MicroSDXC
Read speed: 800 MB/s
Internal memory type: UHS-I
UHS Speed Class: Class 3 (U3)
Video Speed Class: V30
Application performance class: A1

Features

Product colour: White
Protection features: Drop resistant, Magnet proof, Temperature proof, Waterproof, Wear resistant, X-ray proof
Mean time between failures (MTBF): 10000 h
Endurance: 10000 cycles per logical sector

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Operational conditions

Operating temperature (T-T): 0 - 45 °C
Storage temperature (T-T): -40 - 85 °C

Weight & dimensions

Width: 15 mm
Depth: 1 mm
Height: 11 mm
Weight: 0.25 g

Other features

Compatible products: Compatible with devices that include a microSDXC™ slot, including Mobile phone, Tablet, Action Camera, Drone, Laptop, Gaming console, etc.
Warranty period: 3 year(s)
Compliance certificates: Federal Communications Commission (FCC), CE, VCCI, RCM, UKCA

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About this product

microSD Express Card P9 Express Enjoy smooth gaming with P9 Express, which works with Nintendo Switch™ 2. Featuring PCIe® technology for high-speed performance and Dynamic Thermal Guard (DTG) to maintain optimal temperatures, the card is designed to provide immersive gameplay for both casual and high demand gamers. Save every moment of play Dive into endless solo adventures or gather for unforgettable family game nights. Your gaming universe comes alive on one powerful card, crafted to fill every adventure with joy and wonder. Speed that sparks your world Get into your game in a flash. Featuring sequential read speeds of up to 800 MB/s—up to 4x faster than our UHS-I microSD cards [1] . This card may help minimise installation, update, and load times. Stay cool. Play non-stop Enjoy uninterrupted gaming, even when the action heats up. Dynamic Thermal Guard (DTG) keeps your card at optimal temperatures, maintaining steady performance during high-demand games. Enjoy extended sessions with minimal interruptions and fully immersive gameplay.

P9 Express, microSD Express Card vs similar pen drives & memory cards

	Samsung P9 Express, microSD Express Card	ADATA UD512GEX3L1-C	Samsung T9 microSD card	Samsung MB-MH512TB/WW 512GB Memory Card
Type	microSD card	microSD card	microSD card	microSD card
Capacity	512 GB	512 GB	512 GB	512 GB
Speed	800 MB/s	800 MB/s	200 MB/s	200 MB/s
Standard	Class 3 (U3)	Class 3 (U3)	Class 3 (U3)	Class 3 (U3)
Released	2025	2024	2026	2026