Solved - 16 GB RAM installed but only 8 GB usable | Windows 8 Help Forums
2016 Ram 1500 Rebel Mopar '16 Tested
G.Skill Ripjaws X Series 16 GB (2 x 8 GB) 240-Pin SDRAM (PC3-12800) DDR3 1600 CL10-10-10-30 1.50V Dual Channel Desktop Memory Model F3-12800CL10D-16GBXL at Amazon.com