Ocean Technology via Amazon offers the Unitek 3-Port USB Flash Memory Card Reader in Black for $19.99. Coupon code "8J6BJ5UD" cuts the price to $9.90. With free shipping for Prime members, that's tied with last week's mention at $23 off list and the lowest price we could find. It features a built-in surge protector, four card reader slots, and a 5V/2A power supply. Deal ends February 28.