16GB DDR4-2400 (PC4-19200) SODIMM DR x8 Memory RAM for Lenovo ThinkPad E580
A-Tech 8GB Module for Lenovo ThinkPad E580 Laptop & Notebook Compatible DDR4 2666Mhz Memory Ram (ATMS350756A25978X1) at Amazon.com
LENOVO E580 15" Laptop - Type 20KT - Intel i3 8th Gen Processor - 256GB Solid State Drive + 500GB Hard Drive - 8GB Memory - Windows 10 Pro - B Grade - HiTECH4less