For its newsletter subscribers only, Newegg offers the PNY 64GB Elite Performance Secure Digital Extended Capacity UHS-1 Class 10 SDXC Card, model no. P-SDX64U1H-GES3, for $49.99. Coupon code "EMCWVXT34" cuts it to $29.99. With free shipping, that's $0.47/GB and the lowest total price we could find by $18. It features read speeds of up to 90MB/s. Coupon expires December 9.