Amazon offers its Prime members the SanDisk 32GB Ultra UHS-I Class 10 microSDHC Memory Card with Adapter, model no. SDSDQU-032G-AFFP-A, for $16.79 with free shipping. (Non-members can spend $35 or more to get free shipping; otherwise it adds $8.) That's $0.52/GB, $3 under our August mention, and the lowest total price we could find by $5. It's UHS-I enabled and comes with a full-size SD card adapter. Offer ends December 10.
BuyDig via Rakuten offers the Sony 64GB UHS-I Class 10 SDHC Secure Digital High-Capacity Memory Card, model no. SF64UY/TQMN, for $39.99. Apply coupon code "VME10" and checkout via V.me by Visa to drop the price to $29.99. With free shipping, that's $0.47/GB, tied as the lowest total price we've seen, and it's a current price low by $8. (We saw it for $12 less a month ago, however, it's believed that mention was a price mistake.) It features read speeds of up to 40MB/s and write speeds of up to 10MB/s.