B&H Photo-Video offers PNY 64GB Professional X Class 10 microSDXC Secure Digital Extended Capacity Card, model no. P-SDUX64U1-GES3, for $29.96 with free shipping. (Newegg charges pennies more via coupon code "EMCPAWH38".) That's a buck under our June mention and the lowest total price we could find now by $1. It features write speeds of up to 20MB/sec and comes with an adapter. Coupon expires September 18.