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Our Best-Selling Workstation

HP Z4 G4 Workstation Desktop PC

From design and simulation to video editing and machine learning, this workstation desktop can handle today’s heaviest workloads and still has room to expand as your industry demands change. No matter what the future holds, you’ll have all the performance you need.

Select & Buy G4

Preview G5

HP Z4 G4

Design. Visualize.
Refine. Repeat.

With high-frequency processing, multiple cores, and powerful GPUs, the Z4 workstation is ready to run your most demanding apps — and give you the freedom to design, visualize, and iterate with ease.

Up to 18 cores Intel® Core™ X-Series or Xeon® W CPU1

Run demanding professional apps with up to 18 cores1 for powerful performance and productivity. Avoid system crashes in the middle of your workflow with Error Correction Code (ECC) memory that detects and corrects soft errors in the memory system on the fly.8

Up to 2x NVIDIA RTX™ A6000 or 2x AMD Radeon™ Pro W6800 GPUs2

Get serious about graphics performance and reach peak productivity with dual graphics support. 

Software Certified

ISV Certified

Work with confidence knowing your desktop is certified with leading software applications to ensure peak performance even with complex projects.

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Up to 512 GB16 DDR4-2933 ECC SDRAM

Get lightning-fast performance for video editing and complex data sets.


Up to 46 TB3

Access and store massive amounts of data on the fly with four storage bays and dual M.2 slots.

Power Supply

Up to 1000W4

Multiple PSU options, including the 1000W PSU, enable increasing need for GPU, even with the highest power CPUs and rich configurations.4


Make it

Your Own

Imagine your ideal desktop. We'll build it for you. With up to 18 cores1 Intel Core™ or Xeon® processors, dual graphics, 512 GB memory, 46 TB storage3  and 5 PCIe card slots13 — you can create a workstation built for the demands of your workload today, and expand over time.


Rely on Your

Work with confidence knowing your desktop has undergone 360,000 hours of rigorous testing, military-standard testing,5 is certified for industry-leading software, and is built to run your heaviest workloads 24/7.

Keep Cool Under
Any Workload

Maintain peak processing power through your heaviest workloads with our

innovative thermal technology solution.

The Workstation for Your Workflow

Optimized for BIM and 3D CAD design. Easily manipulate 3D shapes, render with real-time ray tracing, and run advanced simulations and visualizations — even in VR.

Third party software sold separately.

Visualize your project anytime. Move seamlessly between 3D CAD, rendering with real-time ray tracing, and advanced simulations and visualizations — even in VR.

Third party software sold separately.

Work without slowdown, whether you’re developing games and interactive media, building 3D models, animating motion graphics, or creating ads, shorts, and feature-length films with raw 4K footage.

Third party software sold separately.

Work quickly and efficiently with advanced datasets, including videos, images, and speech. Ideal for AI, machine learning, deep learning, and cluster computing applications.

Third party software sold separately.

From prototype to launch, speed up your development cycle, whether you’re designing a mobile or desktop app, programming an operating system, or making a VR game. 

Third party software sold separately.

Need Help Finding
Your Perfect Workstation?

Search by the Work I Do

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By Specs

Virtual Reality

Work, Play, and
Create in VR

Elevate your workflow with a VR-ready desktop. Develop lifelike content with professional graphics and processor performance, and transform how you design, train, and collaborate. And when paired with the HP Reverb G2 VR Headset, you get stunning immersion with full-resolution rendering.7

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Multiple Ports to
Maximize your Productivity

  1. Headset Audio

  2. Standard (shown) – 4x USB 3.1 G1 Type-A 
    Premium – 2x USB 3.1 G1 Type-A, 2x USB 3.1 G2 Type-C®
  3. SD Card Reader (optional)
  1. Audio Line In/Out
  2. Keyboard/Mouse PS/2
  3. Intel® Xeon® W Processors (shown) – 6x USB 3.1 G1 Type-A
    Intel® Core® X-Series Processors – 5x USB 3.1 G1 Type-A
  4. Intel® Xeon® W Processors (shown) – 2x 1GbE Ports
    Intel® Core® X-Series Processors – 1x 1Gbe Port

More About Z by HP

• Security

Peace of Mind

Security is our commitment – so you can focus on driving results. Find total confidence with HP Wolf Security for Business.17 

Discover Now 

• Sustainability

Better for People,

Better for The Planet

Here's why our TCO Certified, ENERGY STAR awarded and EPEAT assessed Z by HP portfolio helps protect our shared future.9

Learn More

Additional Features

Windows or Linux®

Support your unique user needs with a choice of Windows 11 10, 14 or Linux® operating systems.

Ubuntu Pre-installed