BuyDig via eBay offers the Lexar 64GB 200x Platinum II UHS-I SDXC Card 2-Pack, model no. LSD64GBSBNA200, for $32.95 with free shipping. That's $2 below our mention from four days ago, $16.48 per card, and the best per-unit price we've seen. (It's a current price low for this quantity by $17.) It features a data transfer speed of up to 30MB/s.