HP Z400 Workstation Desktop Computer PC Intel Xeon 2.53GHZ 8GB 1TB Windows 10 Pro with Dedicated Graphics and WIFI
HP Z400 Workstation MT Intel Xeon W3550 3.07GHz 8GB RAM No HDD No OS
Refurbished HP Z400 Workstation Mini Tower Intel Xeon W3565 12GB RAM 1TB Hard Drive Windows 10 Pro
HP Workstation Z400 Memory Upgrades @Memory.NET
A-Tech 4GB for HP HP Z400 Workstation (6 DIMM Slots) (1 x 4GB) PC3-12800 (DDR3-1600) ECC Unbuffered UDIMM 240-Pin 1Rx8 1.35V Server Memory RAM at Amazon.com
32GB (4X8GB) DDR3 1333 Memory For HP Z400 Z420 Workstation | eBay
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
CMS 8GB (2X4GB) DDR3 10600 1333MHZ ECC Non Registered DIMM Memory Ram Upgrade Compatible with HP/Compaq® Workstation Z400 Workstation for Server Only - B80 at Amazon.com
HP Z400 8GB Computers - Windows 10 for Less | Build Your Workstation
Refurbished HP Z400 Workstation Mini Tower Intel Xeon W3565 12GB RAM 1TB Hard Drive Windows 10 Pro
HP Z400 Workstation FM067UT W3520 2.6GHz/ 6GB RAM/ 500GB/ FX1800 [Z400] - $369.00 : Professional Multi Monitor Workstations, Graphics Card Experts