Is this fast enough for Steamdeck

U3 is the best choice for it. Using an U1 for Steam Deck has drop outs when downloading new games and takes forever. 'U3'. The small 'U' on the front of a MicroSD card with either a 1 or a 3 inside it is the most important thing to look for when picking out a card. This describes the MINIMUM write speed the card will retain during sequential write operations like large game files, 1 for 10MB/s and 3 for 30MB/s. Most importantly this means when downloading new games to a U3 card it will ALWAYS be above 30MB/s, allowing writing headroom for both a fast internet connection, and the unpacking and decompressing steam does simultaneously. For optimal performance with the deck, the card you pick needs to be U3. The 10MB/s a U1 card provides will not be enough to download new games consistently. It will result in write operation dropouts where downloading gives way to unpacking and decompressing, meaning that large games will take hours upon hours to download, especially when using a fast internet connection.

Can this use on Nintendo switch? Thank you

you can use any micro SD card in the Switch, but make sure the read speed is over 90mb/s. this one is ideal, the 16gb storage is 90mb/s, 32 is 100mb/s and the larger storage is up to 150mb/s. don't get conned by the "official" Nintendo ones; you're paying a premium for Mario on your SD card.

Which card fits on a Nintendo switch lite with 256

I’m not sure about the lite, but i bought this for the switch OLED model and it worked perfectly, hope that helps

Will this work in a Samsung AO4s ? thanks...

I would think so. Micro SD seems the standard.

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SANDISK Ultra microSD Card + Adapter 256GB, Up to 150MB/s Read Speeds

SANDISK Ultra microSD Card + Adapter 256GB, Up to 150MB/s Read Speeds

Product ID: 726625355

Details

Brand
SanDisk
Compatible devices
Smartphone
Flash memory type
Micro SDXC
Memory storage capacity
256 GB
Model name
UHS I

⚡Up to 150MB/s read speed

💾256GB storage capacity

📱A1-rated app performance

₩142103

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Description

🚀 Upgrade your storage game with speed and space that keeps up with your hustle!

OPTIMIZED FOR APPS - A1-rated performance ensures faster app launches and smoother multitasking on your Android devices.
MASSIVE 256 GB STORAGE - Store thousands of photos, hours of Full HD video, and all your essential apps without compromise.
SMART FILE MANAGEMENT - Use the Sandisk Memory Zone app to effortlessly organize, back up, and free up space—stay in control of your digital life.
BLAZING FAST TRANSFERS - Up to 150MB/s read speeds mean you can offload 1000 photos in under a minute—no more waiting around.
UNIVERSAL COMPATIBILITY - Seamlessly expands storage on Android smartphones, tablets, Chromebooks, and Windows laptops with included SD adapter.

The SanDisk Ultra microSDXC Card + Adapter offers 256GB of high-speed storage with up to 150MB/s read speeds and A1-rated app performance. Designed for Android smartphones, tablets, Chromebooks, and Windows laptops, it provides reliable, durable, and versatile storage expansion. The included SD adapter and Sandisk Memory Zone app enhance usability and file management, making it the perfect choice for professionals who demand fast, spacious, and hassle-free digital storage.

Specifications

ASIN	B0B7NV73PJ
Best Sellers Rank	2 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 1 in Micro SD Memory Cards
Brand	SanDisk
Brand Name	SanDisk
Colour	Black
Compatible Devices	Smartphone, Tablet
Compatible devices	Smartphone, Tablet
Country of Origin	China
Customer Reviews	4.6 out of 5 stars 175,690 Reviews
EU Spare Part Availability Duration	1 Years
Flash Memory Type	Micro SDXC
Flash Memory Video Speed Class	V10
Flash memory type	Micro SDXC
Global Trade Identification Number	00619659200565
Hardware Connectivity	microSDXC
Item Dimensions D x W x H	15D x 10W x 1H centimetres
Item Dimensions L x W	11L x 15W millimetres
Item Type Name	N / A
Item Weight	0.01 Pounds
Manufacturer	SanDisk
Manufacturer Part Number	SDSQUAC-256G-GN6MA
Media Speed	100 MB/s
Memory Storage Capacity	256 GB
Memory storage capacity	256 GB
Model Name	UHS I
Model Number	SDSQUAC-256G-GN6MA
Model name	UHS I
Product Features	Durable, Portable
Product Warranty	2 year manufacturer
Read Speed	150 Megabytes Per Second
Secure Digital Association Speed Class	Class 10
UPC	619659200565
Unit Count	1.0 count
Warranty Type	No Warranty

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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₩142103

Duties & taxes included

In stock

Sold byAmazon South KoreaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Korea.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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