Newegg has GeIL EVO POTENZA AMD 16GB (2 x 8GB) 288-Pin DDR4 2400 (PC4 19200) Desktop RAM for $132.99. Use MasterPass checkout and coupon code MPBTC18 to take an additional $10 off.
If you’ve got something else to buy from Newegg, the same coupon is $25 off $200.
Great reviews. The DDR4-3000 version of this was frontpage for $6 more.