Customer reviews from SanDisk
SanDisk - Extreme 512 GB Class 3/UHS-I V30 microSDXC - 190 MB/s Read - 130 MB/s Write
Average customer rating
4.3 out of 5
4.3
(6 Reviews)
Open Ratings Snapshot
Rating breakdown 6 reviews
5 Stars
5
4 Stars
0
3 Stars
0
2 Stars
0
1 Star
1
100%of customers recommend this product. 
(
4 out of 4
)
Best Buy Privacy Policy
Customer Reviews for SanDisk - Extreme 512 GB Class 3/UHS-I V30 microSDXC - 190 MB/s Read - 130 MB/s Write
Customer Rating
5 out of 5
5
Excellent!!
on December 29, 2023
Posted by: KenVC
Verified Purchase:Yes
For me it is perfect, the smaller the better, thank you
I would recommend this to a friend!
Written by a customer while visiting SanDisk
Customer Rating
5 out of 5
5
Plug and play
on January 7, 2023
Posted by: Nathan b
Verified Purchase:Yes
It is easy to install, format, and go without any nonsense of having to deal with some kind of set up
Written by a customer while visiting SanDisk
Customer Rating
5 out of 5
5
Good memory card
on January 30, 2024
Posted by: SeanK
Verified Purchase:Yes
Would recommend this brand to my friends as it is a good quality card
I would recommend this to a friend!
Written by a customer while visiting SanDisk
Customer Rating
5 out of 5
5
Works great as file storage on laptop computers
on August 15, 2025
Posted by: Paul R.
Verified Purchase:Yes
Works great to expand the file storage capacity of my new laptop computer.
I would recommend this to a friend!
Written by a customer while visiting SanDisk
Customer Rating
5 out of 5
5
If you need one, get one! Get two!
on October 9, 2025
Posted by: AstroDave
Verified Purchase:Yes
What is there to say. Works perfectly as advertised. No problems whatsoever
I would recommend this to a friend!
Written by a customer while visiting SanDisk
Customer Rating
1 out of 5
1
Makes for a good stovetop
on December 22, 2025
Posted by: Matt*Dul
The card has severe overheating issues. Within 5 minutes of transferring files, touching the card has burned my hand. While you get a small form factor, you get the power of the raging sun on the outside.
Response from SanDiskBy SM OLS, December 24, 2025
We're sorry to hear about your experience. A small amount of heat can be normal, but overheating or causing discomfort is not expected. We recommend stopping use immediately and reaching out to us at: https://support-en.sandisk.com/app/askweb so we can help with troubleshooting or arrange a replacement if needed.
Written by a customer while visiting SanDisk