Select & Buy

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.

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.

Learn More


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.

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

Learn More

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

Help protect our shared future with the world's most sustainable PC portfolio.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

Extensively tested by Canonical, our hardware is Ubuntu-certified to perform at its best right out of the box.

Tool-less Access 

Evolve your work. Evolve your rig. With tool-less access to the interior, you can customize your Z to fit your needs.  

Long Lifecycle

Minimize how often you have to refresh your PC with a machine built for longevity. This workstation is with you for the long-term.

Quick Connections

Multiple high-speed network connections are easy with dual embedded 1GbE LAN ports featuring Thunderbolt™ 3 technology for speedy data transfers.

Self-Encrypting Drives

Self-encrypting drives13 block access to outsiders, so your valuable IP won’t fall into the wrong hands.

Functional Design

Our stunning design comes with the practicality of front and rear handles, so you can easily move your system.


Tested to withstand 1,000 cleaning cycles with select household wipes.11

Software and Remote IT Solutions


Hybridize your

A complete hardware and software solution to power your remote workforce.

Learn More

ZCentral Remote Boost12 and Teradici CAS


Access high-performance workstation power anywhere with remote software.

Learn More

Follow Z by HP on Social Media






 Need Support for Your Z Workstation? 

Go to Support Page


    1. Multicore is designed to improve performance of certain software products. Not all customers or software applications will necessarily benefit from use of this technology. Performance and clock frequency will vary depending on application workload and your hardware and software configurations. Intel’s numbering, branding and/or naming is not a measurement of higher performance.

    2. Graphics are sold separately or as an optional feature. The NVIDIA RTX™ A6000 and AMD Radeon™ Pro W6800 graphics are not available on the 465W Z4 chassis. Dual graphics configurations require the 1000W chassis.  

    3. For storage drives, GB = 1 billion bytes. TB = 1 trillion bytes. Actual formatted capacity is less. Up to 35GB (for Windows) is reserved for system recovery software.

    4. Optional feature that must be configured at purchase. 

    5. Undergoes MIL-STD testing. MIL-STD testing is not intended to demonstrate fitness for U.S. Department of Defense contract requirements or for military use. Test results are not a guarantee of future performance under these test conditions. Accidental damage requires an optional HP Accidental Damage Protection Care Service.

    6. Third party software sold separately. 

    7. VR Headset sold separately. See minimum spec requirements to run the Reverb G2 headset at max resolution at

    8. Error Correction Code (ECC) memory is only available on Intel® Xeon® processor options. 

    9. Applies to HP PCs, Workstations and Displays manufactured after January 2019. Based on most Gold and Silver EPEAT® registrations by meeting all required criteria and achieving 50-74% of the optional points for EPEAT® Silver and 75-100% of the optional points for EPEAT® Gold according to IEEE 1680.1-2018 EPEAT®. Status varies by country. Visit External link icon for more information.

    10. Not all features are available in all editions or versions of Windows. Systems may require upgraded and/or separately purchased hardware, drivers, software or BIOS update to take full advantage of Windows functionality. Windows is automatically updated and enabled. High speed internet and Microsoft account required. ISP fees may apply and additional requirements may apply over time for updates. See External link icon

    11. Select household wipes can be safely used to clean HP Elite, Workstation PCs and HP Pro 635 Aero G7 up to 1,000 wipes: See wipe manufacturer’s instructions for disinfecting and the HP cleaning guide for HP tested wipe solutions at How to Sanitize Your HP Device Whitepaper ( Not applicable to HP Elite c1030 Chromebook.

    12. HP ZCentral Remote Boost Sender does not come preinstalled on Z Workstations but can be downloaded and run on all Z desktop and laptops without license purchase through 2022. With non-Z sender devices, purchase of perpetual individual license or perpetual floating license per simultaneously executing versions and purchase of ZCentral Remote Boost Software Support is required. ZCentral Remote Boost Sender for non-Z Hardware requires a license and Windows 10, RHEL/CentOS (7 or 8), or UBUNTU 18.04 or 20.04 LTS operating systems. macOS (10.14 or newer) operating system and ThinPro 7.2 are only supported on the receiver side. Requires network access. The software is available for download at

    13. Sold separately or as an optional feature.

    14. This PC comes with Windows 10 and a free Windows 11 upgrade. The Windows 11 upgrade will be delivered to qualifying devices late 2021 into 2022. Timing varies by device. Certain features require specific hardware (see External link icon ).

    15. Number of colors through A-FRC technology.

    16. 512 GB of RAM is only supported with Intel® Xeon® processors. 

    17. HP Wolf Security for Business requires Windows 10 or higher, includes various HP security features and is available on HP Pro, Elite, RPOS and Workstation products. See product details for included security features and OS requirement.

  1. The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.


    Intel, the Intel logo, Core and Xeon are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries. Microsoft and Windows are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries.NVIDIA and Quadro are trademarks and/or registered trademarks of NVIDIA Corporation in the U.S. and other countries. Linux® is the registered trademark of Linus Torvalds in the U.S. and other countries. AMD is a trademark of Advanced Micro Devices, Inc. USB Type-C® and USB-C®are registered trademarks of USB Implementers Forum. Thunderbolt and the Thunderbolt logo are trademarks of Intel Corporation or its subsidiaries in the U.S. and/or other countries.