parts-quick 16GB Memory for HP Z640 Workstation DDR4 PC4-17000 2133 MHz RDIMM RAM at Amazon.com
CMS 64GB (4X16GB) DDR4 17000 2133MHz ECC Registered DIMM Memory Ram Upgrade Compatible with Dell® Precision Workstation T5810 for Server Only - B102 at Amazon.com
HP ZBook Power G9 15.6" Mobile Workstation - Full HD - 1920 x 1080 - Intel Core i7 12th Gen i7-12700H Tetradeca-core (14 Core) - 16 GB Total RAM - 512 GB SSD
16GB DDR4 RAM Memory Upgrade for HP ZBook 15 , Zbook 17, ZBook Studio Mobile Workstation (PARTS-QUICK) - Walmart.com