HP Z6 G4 - 36 Core Workstation - 2X Xeon Gold 6154, - 256GB DDR4 RAM - Nvidia GTX 1080 - 2X 1TB SSD - Windows 11 Pro - PCSP
HP Z820 Workstation 16-Core 2.60GHz E5-2670 256GB RAM No HD No OS | eBay
Adamanta 256GB (16x16GB) Server Memory Upgrade Compatible for HP Z840 Workstation DDR4 2133MHz PC4-17000 ECC Registered Chip 2Rx4 CL15 1.2v DRAM RAM at Amazon.com