HP Z400 Workstation, 1x Xeon X5675 3.06GHz Six Core Processor, 24GB DDR3 Memory, 2x 3.5" Hard Drive Bays, AMD HD 8350 Video Card, Windows 10 Professional Installed, (Used) - Walmart.com
Hp Z400 Gaming PC - Intel Xeon Quad Core Max turbo Upto 3.46 GHz - 8GB Ram DDR3 - 128GB SSD - 500GB Hard drive - Free WIFI -Nvidia GT630 2GB 128Bit Graphic card
Solved: Z400 RAM - HP Support Community - 6148900
HP Z400 Workstation Product Specifications | HP® Support