Patriot 64GB microSDXC Card w/ adapter for $30 + free shipping
TigerDirect offers the Patriot 64GB LX Series UHS-I microSDHC Class 10 Secure Digital Extended-Capacity Card, model no. PSF64GMCSDXC10, for $29.99 with free shipping. (Fry's Electronics charges the same after a $10 mail-in rebate.) That's tied with our April mention and the lowest total price we could find by $4. (Most retailers charge $40 or more.) It comes with a full-size SD card adapter.
2 very similar deals were also reported by some other sources: