Lexar Professional 1000X MicroSD Card - $60.99
The Lexar Professional 1000X MicroSD Card is the best Surface Pro 4 microSD card you can buy. It’s fast and it comes with a USB adapter to turn your new storage card into a flash drive.
The card itself is very solid. It’s capable of transferring 150 megabytes per second between it and your Surface. Because of this, moving your entire music or video collection from your device to the card shouldn’t take that much time at all. Lexar loads this microSD card with Image Rescue software so that you can protect your precious memories too.
For the best experience, get the 64GB version of the Lexar Professional 1000X MicroSD Card for at least. It costs $60.99 at Amazon. The card also comes in 32GB and 128GB sizes.