512GB Kit 2x256GB DDR4-2933 PC4-23400 ECC LRDIMM 8Rx4 Load Reduced Server Memory by NEMIX RAM at Amazon.com
G.Skill 16GB (2 x 8GB) DDR3 PC3-19200 2400MHz TridentX Series CL10 (10-12-12-31) Dual Channel kit (F3-2400C10D-16GTX) at Amazon.com
HITACHI 647653-081 Third Party HP 16GB (1x16GB) Dual Rank x4 PC3L-10600R ( DDR3-1333 HP Memory KIT for HP PROLIANT Server G8 Series (647653-081). in Stock at Amazon.com
16GB DDR4-2933 PC4-23400 ECC SODIMM 2Rx8 Memory Upgrade by NEMIX RAM at Amazon.com
Amazon.com: ASRock Z87E-ITX Socket 1150 Dual Channel DDR3 2933+ / 6 x SATA3 / 2 x USB 3.0 / Mini-ITX Motherboard : Electronics