SH693UC#ABA-07 - HP Desktop HP Z400 Workstation Xeon Quad-Core 3.20GHz — Tech Network Supply LLC
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
Renewed HP Z400 WorkStation Intel Xeon CPU W3520 8Gb RAM 500GB HDD DVI Windows 10 With 30 days Return, 90 Days Exchange
Norton Racing Ninja400R Ram Air Kit - Kawasaki Ninja 400 / Z400
HP Z400 almost 48GB ram Upgrade + RamDisk Benchmarks - YouTube
HP Z400 Workstation FM039UA Intel W3680 3.33GHz/6GB RAM/ 500GB [Z400] - $419.00 : Professional Multi Monitor Workstations, Graphics Card Experts