ADATA Premier 8GB Single DDR4 2666Mhz CL19 PC4-21000 260-Pin SODIMM Memory RAM Single (AD4S26668G19-SGN) at Amazon.com
ADATA 4GB DDR4 2666 UDIMM,AD4U2666J4G19-S at Amazon.com
Silicon Power DDR4 16GB (2 x 8GB) RAM 2666MHz (PC4 21300) 288-pin CL19 1.2V Non ECC Unbuffered UDIMM Desktop Memory with Heatsink SU016GBLFU266BD2J6 at Amazon.com
TEAMGROUP T-Force Zeus DDR4 SODIMM 8GB 3200MHz (PC4-25600) 260 Pin CL22 Laptop Memory Module Ram - TTZD48G3200HC22-S01 at Amazon.com