and I was wondering why the read times were slow and why the cards themselves were not working properly

Purchased this micro sd card for a new kindle fire, works great been using SanDisk products for years never had a failure, reccomend this product

Top card doesn't work / Bottom card works

Card one went into a dashcam, formatted immediately, and is working just fine.

has worked great so far, no issues

You should always fill up the card with 90% of the stated capacity to verify that you have received a genuine working card.

and I was beginning to think it was defective because nothing was working right

Good price and delivery working well in security cameras

I bought two of these, one works perfectly fine the other is unrecognized on multiple electronics

So far everything is working well and fast shipping, good job👍

You can't go wrong with this SD card, its a great price and works great.

I use it for my security camera and it seems to be working just fine.

So far so good with this card, hopefully it keeps working great so they can keep its 5 star rating.

works grate

works great, easy to use

Pics, videos, and music are my downfall, so this works to extend the life of my need to back up every month

genuine.. works well

This work great in my trail cam.

This works great for my tablet

The adapter worked fine, I checked, only the card was a dud

Also, it is working well with my dash cam.

works well, easy to use, price was very good

I bought it for my WYZE Cam , works perfect.

While the replacement somewhat works, the writing is painfully slow and my music app has trouble showing album covers

Bought the 64G disk 9 months ago, and used it in my phone as an external SD, all worked good until it suddenly couldn't be recognized by my phone

The unit doesn’t support larger capacity cards over 32GB so this one works great

This works great in my cell phone.

The other card that works is GREAT

Bought for the switch works great

Its works just fine.

The memory is defective not working

It seems to be working just fine.

This sd memory works well with an S8 and Note 4 in my experience

Micro SD working flawless as expected.

1 worked and the other was corrupt and would not give access because it said it was damaged

They've worked really well, no weird errors or problems at all.

seems to be work good so far, fast shipping and good price

Sandisc is good, and this card works fine...

I like it, works perfect every time I used it.

So easy to put in and works great to tranfer to laptop!

I used this for my dash cam (BlackVue), and it has worked well since I bought it about 2 months ago

card works great for the Akaso EK7000 Plus camera I bought

This micro SD card worked well with the game camera

This worked well with my switch.

It is working very well and had given me a one Terabytestorage

I use this card on my Nintendo Switch and it's working really well after months of using.

It's nice works great

has worked great so far, no issues

Very frustrating and several hours of totally wasted time and effort on my part for a brand new item that customer support told me wasn't working out of the package!

SD card is used in dash cam and is working well so far.

Well, yes, until my camera stopped working suddenly, and when I took the time to remove the SD card and revert all the setups to have it installed everything started working again.

Really good sd card works perfectly on the switch I totally recommend.

Quality, nice works.

Had an issue formatting at first but works now, so far so good!

Awesome SanDisk works for my dash cam perfect

I recently started using the player again and compared the card to some real SD cards I have that work great on single board computers I use

Very fast shipping high cuality item work great for my phone love the extra space

Memory card arrived as promised and it good working order

No issues and works.

The other product with thumb drive said this card with product number worked with s7, s7 edge, s8, s8+, s9, s9+ and higher devices

Its working great in my raspberry pi 3 b+

This one worked great in my Go-Pro style camera

Excellent working with raspberry pi

Good value and works.

Amazing works great with the Nintendo switch

They've worked really well, no weird errors or problems at all.

So far it seems to be working fine, I've only had this in my new cellphone for a few weeks

good works