Newegg offers the ADATA 64GB Premier UHS-I Class 10 microSDXC Card, model no. AUSDX64GUICL10-RA1, for $26.99. Coupon code "EMCANAW28" cuts it to $20.24. With 99 cents for shipping, that's tied with our expired mention from three days ago the lowest total price we've seen for just one. (It's also a current low by $3.) It includes an SD card adapter.