G.Skill 16GB DDR3 PC3-19200 2400MHz Sniper Series (11-13-13-31) Quad Channel kit (4x4GB) at Amazon.com
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
Corsair CMD16GX3M2A2400C11 Dominator Platinum 16GB (2 x 8GB) DDR3 2400MHz C11 Memory Kit 1.65V at Amazon.com
Amazon.com: Crucial 8GB Single DDR4 2400 MT/S (PC4-19200) SR x8 SODIMM 260-Pin Memory - CT8G4SFS824A : Everything Else