Refurbished: HP Z420 Workstation - Intel Xeon Six Core Second Gen E5-1650v2 3.5GHz - 32GB of RAM - 3TB Hard Drive - DVDRW - Quadro K4000 Video Card - Windows 10 Pro - Newegg.com
HP Z - Wikipedia
HP Z400 Workstation Product Specifications | HP® Customer Support
HP Z230 Business Tower WorkStation Intel core i5-4590 Quad-Core 3.3 GHz 4GB DDR3 SDRAM, 1TB SATA Hard Drive DVDWR Intel HD Graphics 4600 Win 10 Pro F1M15UT-U2 - Blessing Computers
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Refurbished: HP Z420 Workstation - Intel Xeon Six Core Second Gen E5-1650v2 3.5GHz - 32GB of RAM - 3TB Hard Drive - DVDRW - Quadro K4000 Video Card - Windows 10 Pro - Newegg.com
Amazon.com: HP Z440 Business WorkStation Desktop PC: Intel Xeon E5-1630 v3, 2TB HDD, 32 GB DDR4, NVIDIA Quadro K420, DVD-RW, Windows 10 Pro (Renewed) : Electronics
HP Z - Wikipedia
HP Z440 Z640 Workstation Heatsink and Fan 749554-001 | eBay
HP Z440 Workstation Software and Driver Downloads | HP® Customer Support
HP Z440 Workstation
HP Z440 Workstation Mini-tower Workstation Intel Xeon E5-1620 v3 3.50 GHz 8GB DDR4-2133/PC4-17000 Windows 7 Professional Upgradable to Windows 8.1 Pro (English) F1M45UT - Newegg.com
HP Z230 Small Form Factor Workstation | HP® Customer Support
HP Z230 Smal Form Factor Workstation Product Specifications | HP® Customer Support
HP Z440 Workstation Mini-tower Workstation Intel Xeon E5-1620 v3 3.50 GHz 8GB DDR4-2133/PC4-17000 Windows 7 Professional Upgradable to Windows 8.1 Pro (English) F1M45UT - Newegg.com
HP Z230 Tower Workstation review: This business desktop delivers power and flexibility | PCWorld
HP Z - Wikipedia
Original for HP Z440 Cooling Fan Workstation Front Chassis Fan Workstation Front Case Fan Assembly 647113 001 CPU Cooler Fans| | - AliExpress
Offers PC HP Z440 Xeon 16GB Workstation Tower | ECOPC