Amazon offers the Lexar 64GB 633x Class 10 UHS-1/UHS-3 High Performance microSDXC Memory Card and USB 3.0 Reader, model no. LSDMI64GBBNL633R, for $44.99 with free shipping. (BuyDig offers the UHS-I version, which features identical performance, for the same price.) That's tied with our January mention and the lowest total price we could find by $21. It features a maximum read speed of 95Mb/s and a minimum transfer rate of 10Mb/s.