A powerful and highly reliable HP Z4 G4 Tower Workstation, expertly refurbished and ready for your demanding tasks. This professional-grade machine is the perfect choice for video editing, 3D rendering, complex CAD models, data analysis, or as the core of a high-performance homelab server.

Customize your build to your exact needs using the configuration menus at the top of the listing.

The Core System (Included in Every Configuration)

This is the foundation of your custom build. Every workstation includes these core components:

• Chassis: HP Z4 G4 Tower
• CPU: Intel Xeon W-2123 (4 Cores / 8 Threads, 3.60 GHz Base, 3.90 GHz Turbo)
• Power Supply: 750W HP Power Supply with 2x 6-pin GPU power connectors.
• Operating System: A fresh and fully activated installation of Windows 11 Pro for Workstations.

Step 1: Choose Your RAM (Memory)

All memory is enterprise-grade DDR4 ECC Registered RAM for maximum stability under heavy loads.

• 32GB (2 x 16GB) DDR4 ECC RAM
• 64GB (4 x 16GB) DDR4 ECC RAM (Enables Quad-Channel Performance)
• 96GB (6 x 16GB) DDR4 ECC RAM
• 128GB (8 x 16GB) DDR4 ECC RAM (Maximum capacity for the most demanding workloads)
• No RAM**

Step 2: Choose Your Storage

Select your primary boot and application drive from the options above.

• 512GB NVMe M.2 SSD: A high-speed NVMe Solid State Drive for ultra-fast boot times and application loading.
• No Storage**

Step 3: Choose Your Graphics Card (GPU)

Select the professional graphics card that best fits your workflow.

• NVIDIA Quadro P4000 8GB GDDR5: A powerful professional card ideal for 4K video editing, complex CAD models, and 3D rendering.
• No GPU**

Shipping & Handling

We understand the value of this equipment. Your workstation will be professionally packaged with extreme care, using high-quality materials to ensure it arrives safely at your location.

**A Note on Barebones Configurations: If you select "No RAM," "No Storage," or "No GPU," you are purchasing a barebones system. It is the buyer's responsibility to source and install compatible components to make the system fully functional. We cannot provide technical support for components not purchased from us.

**No Front Chassis Fan: Please notes that there is no front chassis fan installed in this workstation. If a GPU that requires ATX cables, a post error prompt will appear every time the workstation is booting. The prompt can be bypassed to continue booting.