A-Tech 8GB Replacement for HP 669239-081 - DDR3 1600MHz PC3-12800 ECC Unbuffered UDIMM 2rx8 1.5v - Single Server Memory Ram Stick (669239-081-ATC) at Amazon.com
A-Tech 8GB Module for Acer Aspire E 15 (E5-576-392H) DDR3 Compatible DDR3/DDR3L 1600MHz PC3-12800 Non-ECC SODIMM 1.35V - Single Laptop & Notebook Memory RAM Stick (ATMS397691A12351X1) at Amazon.com