NeweggFlash offers the Mushkin Enhanced Essentials 16GB PC3-12800 DDR3-1600 Laptop RAM Kit, model no. 997038, for $51.99. Coupon code "EMCEHFM27" drops it to $46.79. With free shipping, that's $10 under our mention from a month ago and the lowest total price we've seen. (It's a current price low by $21.)

Also available is the Team Elite Plus 16GB PC3-12800 DDR3-1600 Desktop RAM, model no. TPD316G1600C11DC01, for $52.99 with free shipping. That's $37 under our May mention and another all-time price low. Both deals end March 22.