4GB RAM Memory Upgrade for HP Workstation Z400 PC3-10600E DDR3 1333MHz 2Rx8 ECC Unbuffered UB DIMM Module (PARTS-QUICK Brand) at Amazon.com
Hp Z400 Workstation DT Xeon 2.8 GHz - HDD 500 GB RAM 16GB | Back Market
Used HP Additional 4GB 1866 MHz DDR3 ECC RAM Memory E2Q91AT B&H
CMS 12GB (3X4GB) DDR3 10600 1333MHZ ECC Non Registered DIMM Memory Ram Upgrade Compatible with HP/Compaq® Workstation Z200, Z210, Z400, Z600, Z800 for Server Only - B81 at Amazon.com
Hp Z 400 mixed ram - HP Support Community - 7621103
HP Z400 Xeon 2.8 GHz - HDD 250 GB RAM 4GB | Back Market
4GB 2X2GB RAM Memory for Compaq HP Z Series Workstations Z200 Workstation, Z210 CMT Workstation (Xeon E3, Core i3 and Intel Pentium processors), Z400 Workstation (4 DIMM Slots), Z400 Workstation (6 - Walmart.com
Arch Memory Replacement for HP A2Z50AA 8GB 240-Pin DDR3 1600 MHz ECC UDIMM RAM for Z400 Z420 Z620 Z820 at Amazon.com
HP Z400 Workstation MT Intel Xeon W3550 3.07GHz 8GB RAM No HDD No OS
HP Z400 Workstation MT Intel Xeon W3550 3.07GHz 8GB RAM No HDD No OS
4GB EUDIMM Memory for HP Z400 Workstation DDR3L-1600 by Nemix Ram Server Memory - Newegg.com
16GB KIT (4 x 4GB) for HP-Compaq Z Workstation Series Z200 Z400 (4 DIMM Slots)
HP Z4 G4 Memory Installation - YouTube
This is my HP Z400, upgraded with a Xeon X5690. 12gb of ram, 2x500gb SSD, 2x250gb HDD, GTX 960 (the gpu is totally overkill lol). This is my first server! Running pterodactyl
HP Workstation Z400 Memory Upgrades @Memory.NET
4GB RAM Memory for HP Workstation Z400 240pin PC3-8500 DDR3 UDIMM 1066MHz Black Diamond Memory Module Upgrade - Walmart.com
Renewed HP Z400 WorkStation Intel Xeon CPU W3520 8Gb RAM 500GB HDD DVI Windows 10 With 30 days Return, 90 Days Exchange