Patriot Signature Line DDR4 16GB (2 x 8GB) 2666MHz (PC4-21300) UDIMM Dual Kit Memory Kit PSD416G2666K at Amazon.com
v-Color 64GB (2 x 32GB) ECC SO-DIMM DDR4 2666MHz (PC4-21300) for microservers, workstations, Networking Platforms and Embedded Systems 2Rx8 CL19 1.2V (TES432G26D819K-VC) at Amazon.com