Yes. Actually, it is at least 3x more capable at U3 than Class 10. Class 10 is 10 MB per second. There is a new "U" series defined for video, that extends the old class system. U1 has the same rate as Class 10. U3 is 30 MB per second. The Extreme is a U3 card.

Can i record music on this card? it so, how many hours of music will it hold? thank you, brian

Yes, you can record any digital files on this card. It is extremely fast, and can even handle 4K videos, and digital images. It's rated very fast. So, music away! The hours of recording have to do with the quality and size of the files. I would suggest that you record onto your PC/Laptop, etc. Then, transfer to this card. The card will handle recording directly, but you might like to do some editing in between. Here's a rough estimate of file size vs storage space: https://qph.fs.quoracdn.net/main-qimg-689dff666b8e146d2e19bce49ddde53e

can it be used for the nintendo switch?

According to Nintendo, the Switch can accept microSD and microSDXC cards, and supports up to 2TB of total storage. This card is fast and should enhance your gaming experience.

How come this sd card written shipping fed is free but it still charge after i process the payment?

$25.00 shipping though is super overkill in my opinion for a dang SD card. Prime member or not I would return it for having the audacity to charge that much for such a small/lightweight item.

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Description

⚡ Store More, Shoot Faster, Live Limitless!

POWER YOUR APPS - Rated A2 for accelerated app performance and faster loading times, perfect for on-the-go multitasking.
CAPTURE EVERY MOMENT - Shoot and save ultra-high-definition 4K and 5K videos seamlessly with UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) ratings.
MASSIVE 1 TB CAPACITY - Store an entire library of photos, videos, and apps in one sleek microSD card — never worry about running out of space again.
BLAZING FAST TRANSFERS - Experience lightning-fast read speeds up to 190MB/s with SanDisk QuickFlow technology, saving you precious time.
DURABILITY MEETS PERFORMANCE - Built tough with temperature-proof and waterproof design, ensuring your data stays safe no matter where your adventures take you.

The SanDisk 1TB Extreme microSDXC card delivers ultra-fast read speeds up to 190MB/s and write speeds up to 130MB/s, optimized for 4K and 5K UHD video recording. Featuring A2 app performance rating and rugged durability with temperature and water resistance, this microSD card is engineered for professionals and enthusiasts who demand speed, reliability, and massive storage in a compact form factor.

Specifications

Write Speed	130 MB per second
Hardware Interface	microSDXC
Secure Digital Association Speed Class	Class 10
Product Dimensions	1L x 15W Millimeters
Manufacturer	Western Digital Technologies, Inc.
UPC	619659188474
Global Trade Identification Number	00619659188474
Model	SDSQXAV-1T00-GN6MA
Item model number	SDSQXAV-1T00-GN6MA
Flash memory type	Micro SDXC
Digital storage capacity	1 TB
Removable Storage Native Capacity	1 TB
Special Features	Temperature Proof, Water Proof
Number of items	1
Batteries Included	No
Batteries Required	No
Data Transfer Rate	1 Megabits Per Second
Material	Nylon
Does it contain liquid?	No
Country of Origin	China
Item Weight	10 g

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