Storage manufactures Sandisk and Micron announced at Mobile World Congress the world’s very first 1-terabyte microSD cards. Western Digital states that Micro’s 1TB card has a slight performance advantage against Sandisk’s, which is about a 60MB faster read speed. It’s max writing performance is also 5MB faster. They’re also both A2 certified, meaning they will be able to be swapped in and out with compatible smartphones like the Samsung Galaxy S10.

The SanDisk card goes on sale on April for $449.99 USD. And although Micron’s card hasn’t been given a hard release date or price point, a spokesperson has confirmed it will be “priced competitively and released some time during the second quarter of this year.

In other tech news, take an in-depth look at the new Samsung Galaxy Fold.