Best Notebooks Ramaxel RMSA3260ME78HAF-2666 8gb Pc4 2666MHz DDR4 So-Dimm Non-ECC 260 pin 1.2V Ram Memory for Laptop and All in One Desktop Computer (8gb Pc4 2666MHz DDR4 So-Dimm) at Amazon.com
16GB (1x16GB) DDR4-2666 ECC Reg RAM
Samsung 8GB PC4-21300 (DDR4-2666) Memory (M471A1K43CB1CTD) for sale online | eBay