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
HP Z400 RAM Upgrade– Cloud Ninjas
Fast HP Z400 Workstation HP Computer Tower Workstation Windows 10 or X – RefurbishedPC
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