![Amazon.com: HP Z400 Workstation with Intel Xeon W3505 2.53GHz 2-Core CPU, 4GB DDR3 RAM, 250GB HDD, Quadro FX1700, Windows 7 Professional Installed : Electronics Amazon.com: HP Z400 Workstation with Intel Xeon W3505 2.53GHz 2-Core CPU, 4GB DDR3 RAM, 250GB HDD, Quadro FX1700, Windows 7 Professional Installed : Electronics](https://m.media-amazon.com/images/I/51HVagCP1EL._AC_UF894,1000_QL80_.jpg)
Amazon.com: HP Z400 Workstation with Intel Xeon W3505 2.53GHz 2-Core CPU, 4GB DDR3 RAM, 250GB HDD, Quadro FX1700, Windows 7 Professional Installed : Electronics
![Heatsink Fan 463981-001 463990-001 For Hp Z400 Z600 Z800 Workstation Processor Cpu Radiator Heat Sink Cooling Fan Original - Pc Hardware Cables & Adapters - AliExpress Heatsink Fan 463981-001 463990-001 For Hp Z400 Z600 Z800 Workstation Processor Cpu Radiator Heat Sink Cooling Fan Original - Pc Hardware Cables & Adapters - AliExpress](https://ae01.alicdn.com/kf/S5282ce2a07134b6ba02c5ae8d59cf296k.jpg_640x640Q90.jpg_.webp)
Heatsink Fan 463981-001 463990-001 For Hp Z400 Z600 Z800 Workstation Processor Cpu Radiator Heat Sink Cooling Fan Original - Pc Hardware Cables & Adapters - AliExpress
![Amazon.com: HP Z400 Workstation W3565 Quad Core 3.2Ghz 16GB 1TB 2TB Q2000 Win 10 Pre-Install (Renewed) : Electronics Amazon.com: HP Z400 Workstation W3565 Quad Core 3.2Ghz 16GB 1TB 2TB Q2000 Win 10 Pre-Install (Renewed) : Electronics](https://m.media-amazon.com/images/I/31a76zAJClL._AC_UF894,1000_QL80_.jpg)
Amazon.com: HP Z400 Workstation W3565 Quad Core 3.2Ghz 16GB 1TB 2TB Q2000 Win 10 Pre-Install (Renewed) : Electronics
![HP Z400 Windows 10 Pro Workstation Computer PC Tower Intel Xeon Processor 8GB 500GB Dual Video Graphics and WIFI HP Z400 Windows 10 Pro Workstation Computer PC Tower Intel Xeon Processor 8GB 500GB Dual Video Graphics and WIFI](https://cdn11.bigcommerce.com/s-w5trgcbv/images/stencil/1280x1280/products/3878/51230/z2001__13180.1644957423.jpg?c=2)
HP Z400 Windows 10 Pro Workstation Computer PC Tower Intel Xeon Processor 8GB 500GB Dual Video Graphics and WIFI
![1st upgrade I did to this (not stock) hp z400 I got from my dad's workplace: Added a GTX 980Ti : r/pcmasterrace 1st upgrade I did to this (not stock) hp z400 I got from my dad's workplace: Added a GTX 980Ti : r/pcmasterrace](https://i.redd.it/w3ujpftzgfea1.jpg)