Micro Mini SD Card 512GB, XSRUN Small Memory Card for Micro Mini SD/XC/HC Class 10 UHS-I High Speed Memory Card for Phone,Tablet and PCs - with Free Adapter

Does not work with fire tablet regardless of it claiming to fill compatibility requirements

512GB for $40I'm totally sure that this is a legit 512GB card for 1/10th the price of even the cheezy brands.If it is too good to be true......