CMS 4GB (1X4GB) DDR2 6400 800MHZ NON ECC SODIMM Memory Ram Upgrade Compatible with Dell® Latitude E6400, E6400 Atg, E6400 Xfr - A42 - Walmart.com
KingSpec 4GB DDR4 RAM 2400MHz, PC4-19200 288-Pin 1.2V CL12 U-DIMM Memory Modules for Desktop/PC Gaming Computer at Amazon.com
HP Desktop Computer Bundle Intel Processor 4GB RAM 250GB HD DVD Wifi Bluetooth Windows 10 and a 19" LCD Monitor with Keyboard and Mouse - Refurbished - Walmart.com