LG G8 ThinQ

If the 128GB of storage the LG G8 ThinQ comes with isn’t enough for you, you’ll be happy to hear that you can expand it via a microSD card — up to 2TB. There are a lot of options out there, some of which are better than others. We’ve compiled a list of the best ones all of which are U3 rated, so you won’t have any problems shooting video in 4K. 

SanDisk Extreme

SanDisk Extreme for LG G8 ThinQ

The SanDisk Extreme microSD cards meet the UHS-I Speed Class 3 and Video Speed Class 30 specifications, offering read speeds of up to 160MB/s and write speeds of up to 90MB/s. They are all also A2 rated for storing and running Android apps with no speed issues. Storage starts at 64GB and goes all the way up to 400GB. The company also announced a 1TB card at MWC, but it isn’t available yet. The cards are extremely durable and are said to be temperature-proof, waterproof, shockproof, as well as x-ray proof.


  • 64GB — $17
  • 128GB — $29
  • 256GB — $68
  • 400GB — $110

Samsung Evo Select

Best LG G8 ThinQ microSD card

There are four U3 rated Samsung Evo Select microSD cards available to choose from ranging from 64 to 512GB. They offer up to 100MB/s read and 90MB/s write speeds and come with a full-size adapter included in the box. All the card are backed by a 10-year limited warranty and can handle extreme temperatures as well as other harsh conditions. Despite being made by Samsung, which is known for charging a premium for its products, they are extremely affordable.


  • 64GB — $11
  • 128GB — $23
  • 256GB — $48
  • 512GB — $200

Kingston Canvas React

microSD card for LG G8 ThinQ

The Canvas React cards from Kingston are U3 rated, making them a great choice for 4K video capture. They offer read speeds of up to 100MB/s and write speeds of up to 80MB/s. They also have an A1 rating, which makes them suitable for running Android apps. There are five storage variants available ranging from 32 to 512GB, all of which are backed by a lifetime warranty. The cards are extremely durable, with Kingston claiming them to be waterproof, temperature proof, shock and vibration proof, and X-ray proof.


  • 32GB — $12
  • 64GB — $18
  • 128GB — $32
  • 256GB — $74
  • 512GB — $150

PNY Elite-X

PNY microSD card for LG G8 ThinQ

All of PNY’s microSD cards are U3 rated and offer read speeds of up to 90 or 100MB/s, depending on the model. There are four of them to choose from, ranging from 32 to 256GB. They all come with an adapter and are waterproof, temperature proof, shockproof, and X-ray proof. The 128 and 256GB models are also A1 rated for loading and running Android apps. Each microSD card comes with a free trial for Recovery Software, which allows you to restore files you may have accidentally deleted.


  • 32GB — $18
  • 64GB — $24
  • 128GB — $41
  • 256GB — $65

There you have it — these are the best microSD cards you can get for your LG G8 ThinQ. Which one would you choose? Let us know in the comments!

Affiliate disclosure: We may receive compensation in connection with your purchase of products via links on this page. The compensation received will never influence the content, topics or posts made in this blog. See our disclosure policy for more details.