Apple Memory Module 16GB DDR4 2400MHz SO-DIMM (2x8GB) - Apple (HK)
Corsair Vengeance LPX 16GB (2x8GB) DDR4 DRAM 3200MHz C16 Desktop Memory Kit - Black (CMK16GX4M2B3200C16) at Amazon.com
16GB (2x8GB) Memory RAM for HP Pavilion Desktop p2-1105, p2-1107, p2-1155il A63 849005017824 | eBay
Amazon.com: Corsair Vengeance RGB PRO 16GB (2x8GB) DDR4 3200MHz C16 LED Desktop Memory - Black : Everything Else
MACHINIST DDR4 RAM 16GB(2x8GB) Desktop Memory Kit 2666MHz DIMM PC4-21300 CL15-15-15-35 1.2V Computer Gaming Memory Module 288 Pin Dual Channel PC RAM Support Overclocking (Red) at Amazon.com
DDR5 is the latest RAM technology, engineered for next gen applications that require enhanced speed, capacity and reliability. DDR5 is 2 times faster than DDR4, 20% more energy efficient and features on-die