Will the 1tb card specifically work on the Nintendo switch?

Yes it will. Also note that the Switch has a maximum write speed of about 100 MB/s. Because of this, the "Ultra" and "Extreme" versions of SanDisk cards will have the exact same performance on the Switch since they both exceed the system's maximum read speed, and going over the maximum sees no additional benefit. This means you can save a bit of cash by getting the cheaper Ultra version of the microSD instead of the more expensive Extreme. They will both perform identically on the Switch.

Is this compatible with the garmin 66w dash cam? says must be formatted fat 32.

It’s actually pretty easy to reformat to fat32 using a free tool called fat32 format. I do it with everything above a 32 fb, since 32gb and below normally come pre-formatted with fat32.

Will it work for a dash cam?

It is just like any other micro card and comes with a SD card adapter. Yes it will work.

Is this memory card compatible with GoPro 7 and up? In reference to the write speed.

Not sure but it works with phones and Nintendo switches

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SanDisk Ultra 400GB microSDXC Memory Card Plus SD Adapter with A1 App Performance Up to 120 MB/s, Class 10, U1, Red/Grey

SanDisk Ultra 400GB microSDXC Memory Card Plus SD Adapter with A1 App Performance Up to 120 MB/s, Class 10, U1, Red/Grey

Product ID: 229346725

Details

Brand
SanDisk
Compatible devices
Camera Laptop
Flash memory type
Micro SDXC
Memory storage capacity
400 GB
Model name
Ultra

⚡120MB/s blazing read speed

💾400GB massive storage

📱A1-rated app acceleration

Description

🚀 Upgrade your storage game with speed and reliability that professionals swear by!

APPS ON STEROIDS - A1 performance rating ensures apps launch faster and run smoother, turning your Android device into a productivity powerhouse.
SPEED THAT KEEPS UP - Up to 120MB/s read speeds mean lightning-fast transfers—move 1000 photos in under a minute and never miss a beat.
BUILT TO BRAVE IT ALL - Drop-proof, temperature-proof, water-proof, and X-ray-proof durability means your data stays safe no matter where life takes you.
STORE MORE WORRY LESS - 400GB capacity lets you hoard thousands of photos, hours of Full HD video, and your entire app library without breaking a sweat.
VERSATILITY MEETS CONVENIENCE - Includes SD adapter for seamless compatibility with cameras, laptops, and other devices—one card, endless possibilities.

The SanDisk Ultra 400GB microSDXC Memory Card combines massive storage capacity with ultra-fast 120MB/s read speeds and A1-rated app performance, making it ideal for Android smartphones, tablets, and cameras. Its Class 10, U1 rating supports smooth Full HD video recording and playback, while the included SD adapter enhances device compatibility. Engineered for durability with drop, temperature, water, and X-ray resistance, this memory card offers a reliable, high-performance storage solution backed by a 10-year warranty.

Specifications

ASIN	B08GYG5SVQ
Best Sellers Rank	358 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 13 in Micro SD Memory Cards
Box Contents	Contents: 1 item
Brand	SanDisk
Brand Name	SanDisk
Colour	Red/Grey
Compatible Devices	Laptop, Tablet, Camera, Smartphone
Compatible devices	Laptop, Tablet, Camera, Smartphone
Country of Origin	China
Customer Reviews	4.7 out of 5 stars 377,649 Reviews
EU Spare Part Availability Duration	10 Years
Flash Memory Type	Micro SDXC
Flash Memory Video Speed Class	U1
Flash memory type	Micro SDXC
Hardware Connectivity	microSDXC
Item Dimensions D x W x H	10D x 48W x 50H centimetres
Item Dimensions L x W	11L x 15W millimetres
Item Type Name	SanDisk Ultra microSDXC Card 400GB Class 10 UHS-I with SD Adapter
Item Weight	5 g
Manufacturer	SanDisk
Manufacturer Part Number	SDSQUA4-400G-GN6MA
Media Speed	<120 megabytes_per_second
Memory Storage Capacity	400 GB
Memory storage capacity	400 GB
Model Name	Ultra
Model Number	SDSQUA4-400G-GN6MA
Model name	Ultra
Number of Items	1
Number of Packs	1
Product Features	X Ray Proof, Water Proof, Drop Proof, Temperature Proof
Product Warranty	10 year manufacturer
Read Speed	120 Megabytes Per Second
Secure Digital Association Speed Class	Class 10
UPC	619659183288
Unit Count	1.0 count
Warranty Type	Lifetime

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