OFFTEK 8GB Replacement Memory RAM Upgrade for Alienware Aurora-R4 (DDR3-10600 - Non-ECC) Desktop Memory at Amazon.com
Alienware Aurora R4 – Specs and upgrade options
2GB Memory Upgrade for Alienware Aurora R4 Desktop DDR3 PC3-12800 1600 MHz Non-ECC DIMM RAM (PARTS-QUICK Brand) at Amazon.com
New life for 50$ Alienware Aurora R4 upgraded with a 4.5ghz 1680v2 8 core and a gtx 2080ti and 2tb m.2 through pcie express modded bios with rebar support : r/Alienware