General Information for Samsung Memory Cards
Samsung P9 Express, microSD Express Card, 512 GB, MicroSDXC, UHS-I, 800 MB/s, Class 3 (U3), V30
P9 Express, microSD Express Card
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/sup 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.
Store your games in one compact card
Store all your favourites, save your replays, and download new titles or DLCs (downloadable content) with up to 512GB of reliable storage. Play more without the frustration of deleting your favourite games or swapping cards. Your game library is always ready for your next adventure, wherever you go.
Protect your progress
From surprise drops to marathon gaming sessions, the P9 Express is built to survive whatever life throws at you. With water[2] , temperature[3] , X-ray , magnet[4] , drop[5] , and wearout[6] protection, your gaming wins are safe.
Future-ready, backward compatible
P9 Express is compatible with Nintendo Switch 2, while providing backward compatibility for creative devices with UHS-I slots[7]. Effortlessly capture and transfer your photos and 4K videos to your workstation and laptop seamlessly, and at your speed.
Samsung Magician software
Unlock the full power of microSD Express with Samsung Magician software - a user-friendly suite of management tools that facilitates optimal Memory card performance. Verify product authenticity, monitor drive health, and benchmark performance.
When Youve Got Everything to Lose,Choose the Sure Thing.
We call them files and folders. But really, theyre the pieces of your life you cant lose the photos, the voicenotes , the videos, the moments too precious to risk.Its the lag that decides game won or game over, the bragging rights over your build, or the relief of never missing a near miss.Whatever it is. If it matters to you, it matters. While others chase the next big thing, we've been engineering the sure thing peace of mind protection, exactly when you need it.When youve got everything to lose, choose the sure thing. Choose Samsung SSD. P9 Express, microSD Express Card
Further details for this product, P9 Express, microSD Express Card, can be found at the manufacturer website. Please note, these web addresse(s) are supplied by 3rd parties, Quzo UK is not responsible for the content.
MB-MK512T/WW
Samsung P9 Express, microSD Express Card. Capacity: 512 GB, Flash card type: MicroSDXC, Internal memory type: UHS-I, Read speed: 800 MB/s, UHS Speed Class: Class 3 (U3), Video Speed Class: V30. Protection features: Drop resistant, Magnet proof, Temperature proof, Waterproof, Wear resistant, X-ray proof, Product colour: White
Initial Release Date: 28/10/2025
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Samsung P9 Express, microSD Express Card MB-MK512T/WW Specifications
Product Type
Memory Cards
Brand
Samsung
Product colour
White
Capacity 512 GB
Flash card type MicroSDXC
Internal memory type
UHS-I
UHS Speed Class Class 3 (U3)
Video Speed Class V30
Application performance class A1
Height 11 mm
Width 15 mm
Depth 1 mm
Weight 0.25 g
Mean time between failures (MTBF) 10000 h
Protection Features Drop resistant, Magnet proof, Temperature proof, Waterproof, Wear resistant, X-ray proof
Endurance 10000 cycles per logical sector
Read Speed 800 MB/s
Storage temperature (T-T) -40 - 85 C
Operating temperature (T-T) 0 - 45 C
Warranty period 3 year(s)
Compliance certificates Federal Communications Commission (FCC), CE, VCCI, RCM, UKCA
Samsung P9 Express, microSD Express Card MB-MK512T/WW Reviews
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