4GB Team High Performance Memory RAM Upgrade Single Stick for Alienware AREA-51 ALX X58 Desktop. The Memory Kit Comes with Life Time Warranty. at Amazon.com
Alienware x15 R2 continues the ultra-thin gaming laptop trend with upgrades to Intel Alder Lake-H, RTX 3080 Ti, and soldered LPDDR5 RAM, secondary key symbols remain unlit - NotebookCheck.net News
SK hynix 16GB DDR5 4800MHz SODIMM Laptop RAM 1Rx8 PC5-4800B-SA0 HMCG78MEBSA092N For 12th Gen CPU Laptops. HP Dell XPS 9520 9720 Precision 5700 5570 3571 Alienware X17 Asus Laptops - Best Notebooks
OFFTEK 8GB Replacement Memory RAM Upgrade for Alienware x51 R3 (DDR4-21300 (PC4-2666) - Non-ECC) Desktop Memory at Amazon.com
CMS 16GB (2X8GB) DDR3 12800 1600MHz Non ECC DIMM Memory Ram Upgrade Compatible with Alienware® X51 R2 Desktop - A63 at Amazon.com