HP Z400 12GB 3.2GHz Computers - Windows 10 | Like New, Low Price!
HP Z400 RAM Upgrade– Cloud Ninjas
HP Workstation Z400 Memory Upgrades @Memory.NET
24GB (6 x4GB) Memory DDR3 1333 PC3 10600 ECC for HP Workstation Z400 w 6 sockets - Newegg.com
16GB KIT (4 x 4GB) for HP-Compaq Z Workstation Series Z200 Z400 (4 DIMM Slots) Z400 (6 DIMM Slots). DIMM DDR3 ECC Registered PC3-10600E 1333MHz Dual Rank Server Ram Memory. Genuine A-Tech
HP Z400 Workstation (4 DIMM Slots) 4GB RAM Memory Upgrade
12GB KIT (6 x 2GB) for HP-Compaq Z Workstation Series Z400 (6 DIMM Slots). DIMM DDR3 ECC Unbuffered PC3-10600E 1333MHz Server Ram Memory. Genuine A-Tech Brand. at Amazon.com
16GB KIT (4 X 4GB) Memory for Hewlett-Packard Workstation z400