SG637UC#ABA-07 - HP Desktop HP Z400 Workstation Xeon Quad-Core 3.20GHz — Tech Network Supply LLC
HP Workstation Z400 Memory Upgrades @Memory.NET
4GB RAM Memory Upgrade for HP Workstation Z400 PC3-10600E DDR3 1333MHz 2Rx8 ECC Unbuffered UB DIMM Module (PARTS-QUICK Brand) at Amazon.com
Managed to get an old HP Z400 workstation for the equivalent of $75 USD. Xeon W3520, 6x2gb of ram and I replaced the Quadro FX580 with a GT 730 I had laying
A-Tech 24GB ECC Unbuffered Memory Kit (6 x 4GB) for HP Z400 Workstation - ECC UDIMM DDR3 PC3-10600 1333MHz 240-Pin DIMM 2Rx8 1.5V Dual Rank RAM (AM080899) at Amazon.com
HP Z400 Windows 10 Pro Workstation Computer PC Tower Intel Xeon Processor 8GB 500GB Dual Video Graphics and WIFI
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
Refurbished HP Z400 Workstation Intel® Xeon® Processor ...
Used HP z400 Xeon Quart core 4gb ram 320gb hdd, For Computer
HP Z400 Workstation SF604UP W3550 2.40GHz/ 3GB RAM/ 160GB HDD [Z400] - $369.00 : Professional Multi Monitor Workstations, Graphics Card Experts
Refurbished HP Z400 Workstation Mini Tower Intel Xeon W3565 12GB RAM 1TB Hard Drive Windows 10 Pro