4GB Memory for HP 18-5110 All-in-One Desktop PC DDR3L 1600MHz RAM Upgrade (PARTS-QUICK Brand) at Amazon.com
4GB DDR4 2666 (PC4 21300) SODIMM Laptop Memory by NEMIX RAM at Amazon.com
Zopsc DDR2 4GB RAM 800MHz Memory Module for AMD CPU Stable Fast Data Transmission 240PIN for High Anti-Interference and Antistatic for Desktop Computer, Plug and Play at Amazon.com