One of the best memory cards for the Amazon Fire Tablet is available thanks to the included microSD card slot. You've probably noticed that the internal storage on the Amazon Fire Tablets doesn't go very far. You can fill it up with some games, a few apps, and media, but it's a let down. It's important to pair one of the best tablets with the best memory cards and increase the storage.

The best Amazon Fire Tablets don't come with a lot of internal storage, so if you want to increase available storage, any of the above cards will suffice. If we were to recommend one out of them all, we'd go with the Ultra 64GB MicroSD Card. 64GB is a lot of extra space for loading up your local files, and when you combine that with incredible transfers and a solid price, you have an attractive package.

You might need something more substantial if you have a lot of movies and games to keep. If that were the case, we would recommend splurging for the Ultra 200GB MicroSD card. If you need more storage, there are good microSD card options that can hold up to 1 ton of data.

It is possible to get more space without breaking the bank. The 120MB read speeds combined with the A1 Performance class make it one of the best Fire Tablet memory cards you can buy. Whether you use Fire 7 for watching movies or Fire HD 10 for getting your work done, it's a great card to have.

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What those figures and numbers on microSD cards mean

There is an 'A Performance' class, a numerical figure, and a mysterious 'U' on many microSD cards. The letters and numbers are important. Understanding these abbreviations will help you understand storage card specifications and how relevant they are when buying a microSD card for your Amazon Fire tablets or phones.

  • A1 / A2 / A3: The A Performance class basically indicates the level of performance a microSD card will deliver when running applications off of it. If your microSD card lacks A1, A2, or A3, it won't be able to store and run apps. The fastest class is A3, followed by A2 which is slower, and then A1 which is the slowest rank.
  • V30 / V60 / V90: 'V' indicates the Video Speed Class of a microSD storage card. So, V30 translates into a 30MB per second write speed for Ultra HD video files. In line with that, V60 stands for 60MB/s and V90 for 90MB/s high definition video writing speeds.
  • U1 / U2 / U3: A microSD card's UHS Speed Class can be understood by looking at the 'U' printed on the card along with the number next to it. U3 is the fastest, delivering 30MB/s write speeds. Then you've got the slower U2 20MB/s and U1 10MB/s write speeds.
  • C10: Ever seen a little '10' encircled in the third letter of the English alphabet? That's the C10 logo which was previously used to depict the write speed of an SD card. It is equivalent to the U1 class of the UHS Speed Class. A C10 microSD card has a humble 10MB/s write speed.
  • microSDXC / microSDHC: You may notice that many microSD cards mention whether they fall under the microSDXC or microSDHC category. Don't feel afraid as these names are actually pretty simple to understand. Basically, a microSDHC card has between 2GB and 32GB of storage space. Meanwhile, a microSDXC card has a storage capacity of 32GB or higher, going all the way up to 2TB.

You don't need fast read and write speeds for the Fire HD 10 or the Fire HD 8. Make sure the app you plan on installing has an A1 rating. It's not necessary to have high Video Speed Class standards to play Candy crush. You don't really need anything fast if you take a V30 class.

It's necessary to have a U1 speed class ranking for your Fire tablets. It's not necessary to have fast microSD card write speeds to run a cheap tablets. The C10 logo will replace the U1 mark on your card if you don't see it. There's nothing to worry about because both symbols represent the same 10 MB/s write speed.