Amazon.com: Transcend 8GB JM DDR4 2666 SO-DIMM 1Rx8 1.2V (JM2666HSB-8G)
G.Skill Trident Z RGB Series 16GB (2 x 8GB) 288-Pin SDRAM (PC4-25600) DDR4 3200 CL16-18-18-38 1.35V Dual Channel Desktop Memory Model F4-3200C16D-16GTZR at Amazon.com
8GB Memory for Toshiba Portege X30-D-BTO DDR4 2133MHz SODIMM RAM (PARTS-QUICK Brand) at Amazon.com
CMS 8GB (1X8GB) DDR4 19200 2400MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with HP/Compaq® 15 Series Notebook 15-db0xxx, 15-dw0xxx, 15t-dw0xxx, 15s-du0xxx, 15s-dr0xxx - C106 at Amazon.com
Kingston ValueRAM 8GB 1600MHz DDR3 Non - ECC CL11 DIMM STD Height 30mm Desktop Memory KVR16N11H/8 at Amazon.com