Mar 3 1991 Centon MP Essential 16GB microSDHC Class 10 Memory Card w/ SD Adapter – $5.00 @ Walmart Posted on March 3, 1991 by DealFinder Rating: 2 Posted By: ShoppingChick Views: 297 Replies: 0 WalMart has theCenton MP Essential 16GB microSDHC Class 10 Memory Card w/ Full SD Adapteron sale for$ 5.00with free in-store pickup. SD & SDHC Deals Walmart Coupons Fatwallet.com Hot Deals