Amazon Basics 256GB A2 U3 Class 10 microSDXC Memory Card $21 at Amazon
Amazon has the
Amazon Basics 256GB A2 U3 Class 10 microSDXC Memory Card (LSMICRO256GU3) for
$21 with free shipping on $25+ or with Prime. Has read speed up to 100mb/s. and write speed up to 90mb/s.
Original Source of Info